This project focused on evaluating the feasibility and economic viability of using CO₂ as a cushion gas for Underground Gas Storage (UGS) in Poland. The assessment included site selection, cost modeling, and sensitivity analysis to key market and operational factors.

• Techno-Economic Model Development: A model was developed to analyze capital (CAPEX) and operational (OPEX) expenditures, considering costs related to:
  • Drilling
  • CO₂ and natural gas injection
  • Gas processing
  • Site decommissioning
• Uncertainty Analysis with Monte Carlo Simulation: The study incorporated a Monte Carlo simulation with 10,000 iterations to account for uncertainties in:
  • Gas prices
  • Electricity costs
  • Technical parameters
  Results showed that over 90% of the simulated scenarios yielded a positive Net Present Value (NPV), highlighting the strong profitability potential of CO₂-cushioned UGS.
• Economic Drivers and Profitability: The main economic driver is the seasonal gas price disparity, supplemented by financial benefits from CO₂ storage under emissions trading schemes. Key findings include:
  • High profitability potential due to gas price differences
  • Risks from high electricity costs and minimal gas price differences
  • Risk mitigation strategies like optimizing gas procurement and using gas-driven compressors
• End-of-Life CO₂ Storage Benefits: At the end of the project’s lifecycle, the storage site can be fully filled with CO₂, providing:
  • Further economic benefits
  • Environmental benefits by contributing to carbon management initiatives

Overall, the project demonstrates that integrating CO₂ storage with UGS can enhance financial returns while contributing to carbon management initiatives, making it a viable solution for energy storage and emissions reduction.

This project focused on the development of a microclimate control system that addresses a critical challenge in mechanical ventilation systems: preventing the freezing of the Air Handling Unit during cold winter conditions. The system, based on a highly efficient periodic counterflow heat exchanger, operates continuously without the need for additional energy-consuming protection, ensuring that the AHU remains functional even in extreme temperatures. This solution provides both energy efficiency and optimal air quality by managing heat and moisture recovery, making it ideal for nearly zero-energy buildings.

• Freezing in Ventilation Systems: In winter, outside temperatures can drop below zero, leading to freezing and potential damage of heat exchangers. This is a common issue in current heat recovery systems.
• Dry Air: Low temperatures result in dry air, which negatively impacts indoor air quality and human health. The developed system addresses this issue by recovering moisture from the exhaust air and reintroducing it into the incoming air.

• Prevention of Freezing: The system's core feature is its ability to prevent freezing of the heat exchanger without the need for external anti-freeze protection systems. This is achieved through the cyclical change in the airflow direction, which helps maintain the efficiency of heat and moisture recovery.
• Heat & Moisture Recovery: The system operates efficiently at very low intake temperatures, maintaining high-temperature efficiency (ηT = 78.0% ± 0.8%) and moisture recovery (ηx = 58.9% ± 3.8%) even at -20°C intake air temperature.
• Prototype Testing & Simulation: Laboratory tests and numerical simulations validated the system’s performance, confirming the feasibility of continuous operation in extreme conditions and the optimization of heat recovery through variable weather conditions.

• Energy Efficiency & Environmental Benefits: The system minimizes additional energy consumption while maintaining optimal air quality, significantly reducing energy costs and contributing to lower carbon emissions.
• Real-World Implementation: The final prototype was installed and tested in a large-scale hotel facility near Krakow. The system maintained comfortable air conditions for over 92% of the measured time, providing tangible results in reducing energy consumption and improving air quality.

• Cost Savings: The microclimate control system has been shown to reduce the hotel’s energy costs by approximately 34%, saving around 1,680 PLN annually in air handling unit operations.
• Improved Indoor Air Quality: The system contributes to a healthier indoor environment by ensuring proper humidity and ventilation, without the risk of freezing or excessive dryness during winter.

In conclusion, this innovative system addresses the common issue of freezing in heat exchangers in cold weather, providing a reliable, energy-efficient solution for maintaining optimal indoor air conditions in nearly zero-energy buildings.

The Hydrogen Hub Center project focused on the testing, development, and production of hydrogen, as well as optimizing its utilization in energy systems. The project included designing a comprehensive safety and control system for hydrogen handling, integrating turbines and gas engines capable of burning hydrogen, and evaluating energy efficiency through hydrogen production and combustion cycles. More info.

• Hydrogen Production & Utilization: Developed and tested hydrogen production through electrolysis, with subsequent combustion in gas turbines and engines to assess energy efficiency and system performance.
• Safety System Design: Engineered a safety framework for hydrogen storage and utilization, incorporating gas detection, automated shutdown mechanisms, and explosion risk mitigation strategies.
• Ventilation & Gas Management: Designed and implemented a ventilation system for hydrogen storage and operational spaces to maintain safe gas concentration levels.
• Measurement & Monitoring: Procured and integrated sensors, gas detectors, and measuring devices for real-time monitoring of hydrogen flow, pressure, and combustion parameters.
• P&ID and Gas Distribution: Developed Piping & Instrumentation Diagrams (P&ID) for integrating hydrogen supply with two turbines, a gas engine, and an electrolyzer.
• Cooling System Design: Engineered a dry-cooler-based cooling system for turbines, gas engines, and electrolyzers to optimize thermal performance and operational stability.
• Energy Efficiency Analysis: Evaluated the efficiency of hydrogen energy conversion by analyzing the complete cycle from electrolysis to combustion, identifying optimization opportunities.
• Automation & PLC Control: Designed and implemented a control system using Programmable Logic Controllers (PLCs) to automate hydrogen production, safety systems, and combustion processes.
• Heating System: Integrated a heating system for hydrogen storage containers to maintain operational reliability in varying environmental conditions.

This project advanced hydrogen energy technology by optimizing the production, storage, and combustion of hydrogen in gas turbines and engines. The implemented safety measures and control systems ensured reliable operation while maximizing energy efficiency in hydrogen-based power generation.

This project focused on the commissioning, testing, and performance optimization of an MTT gas turbine, ensuring its seamless integration with gas and water systems. Advanced measurement techniques and simulation modeling were employed to validate system efficiency and enhance operational performance.

• System Commissioning & Integration:
  • Overseeing the installation and connection of the gas turbine to gas and water systems
  • Procuring and implementing high-precision instrumentation for temperature, flow, pressure, and energy output measurements
• Software Enhancement & Data Acquisition:
  • Developing additional features within the original measurement software
  • Integrating a data logging system compatible with LabVIEW for real-time monitoring and analysis
• Performance Simulation & Validation:
  • Conducting a comprehensive gas turbine simulation using IPSEpro
  • Modeling all critical components, including the heat exchanger, compressor, and combustion chamber
  • Comparing simulated performance with real-world measurement data to validate system accuracy
• Operational Optimization:
  • Analyzing test results to enhance turbine efficiency
  • Identifying and addressing discrepancies between modeled and actual performance

This project contributed to the advancement of gas turbine technology by integrating precise measurement tools, enhancing data acquisition methods, and validating simulation models against real-world performance. The findings provide a foundation for further optimization and efficiency improvements in gas turbine operations.

This project focuses on the installation and optimization of a photovoltaic-powered desalination plant on Thirasia Island, Greece. Given the island's dependency on desalinated water and the high cost of fossil fuel-based electricity, the initiative aims to enhance sustainability by integrating solar energy.

• System Evaluation & Optimization:
  • Assessing the performance of the existing desalination unit and solar system
  • Optimizing operational efficiency
• Financial Feasibility Analysis:
  • Conducting a cost-benefit analysis to evaluate the economic viability of running the desalination plant using solar power
• Renewable Energy Integration:
  • Implementing a 60 kW photovoltaic system through net-metering
  • Reducing reliance on fossil fuels
• Simulation & Data Analysis:
  • Using Python for data cleaning and analysis
  • Ensuring accuracy and handling missing values
  • Optimizing system efficiency
• Performance Modeling:
  • Employing IPSEPro to simulate the desalination process
  • Considering membrane efficiency, pretreatment effects, and plant load conditions
• Long-Term Solar Resource Assessment:
  • Utilizing meteorological data from 2007 to 2023
  • Ensuring robust and accurate PV system performance predictions
• Dissemination & Project Promotion:
  • Engaging stakeholders and promoting the project's benefits to potential investors and policymakers

The project is spearheaded by the Municipal Water Supply and Sewerage Company of Thira, in collaboration with the Norwegian University of Stavanger, leveraging international expertise to enhance system performance and reliability. The integration of solar energy ensures cost reductions, energy security, and environmental sustainability, providing a scalable model for other Greek islands.

In response to the rising electricity prices in Norway and Europe, this study presents a novel approach for evaluating the techno-economic feasibility of micro-combined heat and power (m-CHP) systems powered by Micro Gas Turbines (MGTs). This investigation focuses on m-CHP systems fueled by natural gas (NG) and a blend of NG and hydrogen (H2) at a ratio of 23% by volume, offering a sustainable solution to the energy challenges faced in the region. Read more

• Techno-Economic Assessment:
  • Conducting both numerical and experimental analyses to assess the feasibility of MGT-based m-CHP systems.
  • Calculating the Levelized Cost of Electricity (LCoE) over a 20-year operational lifespan and comparing it to grid electricity costs.
• Numerical Modeling & Simulation:
  • Using experimental data from 3 kW MGT tests alongside IPSEPro® software for numerical system modeling.
  • Developing a detailed cost model and employing a unique methodology for LCoE calculation.
• Risk & Uncertainty Analysis:
  • Utilizing Monte Carlo simulations to perform a risk and uncertainty analysis, ensuring the reliability of the results.
  • Generating a distribution for LCoE, considering key parameter deviations and assessing the economic consistency of the m-CHP system.
• Comparison with Grid Electricity:
  • Calculating the LCoE of m-CHP systems and comparing it to grid electricity costs to highlight cost advantages.
  • Demonstrating substantial cost-benefit advantages of m-CHP systems powered by NG and NG-H2 blends.

• Cost-Benefit Advantages:
  • The analysis demonstrates significant cost savings over grid electricity, with a LCoE of 1.42 NOK/kWh (0.13 USD/kWh) for m-CHP systems running on NG, compared to 2.54 NOK/kWh (0.24 USD/kWh) for grid electricity.
  • Using constant NOK values, the LCoE for m-CHP with NG is 1.19 NOK/kWh (0.11 USD/kWh), which is substantially lower than grid electricity costs (1.78 NOK/kWh or 0.17 USD/kWh).
• Hydrogen Transition:
  • The methodology offers flexibility for future integration of hydrogen (H2) as a fuel source, with the potential for transitioning to carbon-neutral operations as hydrogen prices decrease.
• Accuracy of Results:
  • The LCoE analysis provided a 98% accuracy, confirming the reliability of the findings for 100% power operation with NG as the fuel source.

This study demonstrates the techno-economic viability of m-CHP systems powered by MGTs, highlighting their potential as a cost-effective alternative to grid electricity. The findings emphasize the benefits of integrating these systems into energy strategies, providing substantial economic advantages and supporting future shifts toward more sustainable energy sources. The proposed methodology also paves the way for the adoption of hydrogen fuel, contributing to a carbon-neutral future.

A comprehensive software solution was developed for acoustic silencer modeling, optimization, and automated report generation. This tool integrates advanced mathematical modeling with industrial design parameters to optimize noise attenuation, pressure drop, and cost estimation.

• Mathematical Model for Acoustic Attenuation: Predicts noise reduction across multiple frequency bands based on silencer geometry and airflow characteristics.
• Pressure Drop Calculation: Computes airflow resistance through the silencer, ensuring optimized design without excessive energy loss.
• Automated PDF Report Generation: Creates detailed reports with silencer specifications, performance metrics, and graphical representations of acoustic attenuation.
• Customizable Silencer Configurations: Allows selection of different baffle membranes and geometric parameters to tailor performance to specific industrial needs.
• Optimization Tool for Acoustic Performance: Implements an intelligent optimization algorithm that automatically determines the best silencer configuration based on input parameters such as height, depth, and length. The tool calculates:
  • Optimal number of internal baffles
  • Best material selection for maximum noise reduction
  • Estimated weight and cost of the silencer
• Performance Visualization & Data Analysis: Generates graphical representations, including:
  • Acoustic attenuation across frequency bands
  • Pressure drop trends
  • Design parameter influence
  • Optimized material vs. performance trade-offs

This project automates the silencer design process, enabling engineers to optimize noise control solutions efficiently. By integrating precise mathematical models with an intelligent optimization engine and an intuitive reporting system, the tool streamlines industrial acoustic analysis and enhances decision-making.

A comprehensive software solution was developed for orifice flow measurement and uncertainty analysis in accordance with PN EN ISO 5167. This tool automates complex calculations related to real gas behavior, pressure drop estimation, and uncertainty evaluation, providing engineers with a powerful and accurate flow measurement system.

• Orifice Flow Coefficient (C) Calculation: Accurately determines the discharge coefficient based on fluid properties, geometry, and operating conditions.
• Real Gas Properties & Pressure Drop Computation: Uses the Redlich-Kwong equation of state for air-water vapor mixtures, computing density, viscosity, heat capacity, and pressure drop across the orifice.
• Uncertainty Analysis & Error Estimation: Calculates absolute and relative uncertainties in flow measurement based on orifice geometry and fluid parameters.
• Automated Dimension & Diagram Generation: Automatically generates PNG diagrams with orifice dimensions, flow parameters, and uncertainty results.
• Professional PDF Report Generation: Creates detailed reports containing all computed values, uncertainty analysis, error assessment, and flow coefficient results.
• High-Precision Thermodynamic & Fluid Dynamic Models: Implements industry-standard models such as Redlich-Kwong, IAPWS-95 for vapor properties.
• Dynamic Viscosity Computation: Uses the Sutherland formula with Wilke mixing rules and pressure correction models to determine viscosity under different conditions.
• Data Visualization & Charts: Generates graphical representations of key flow characteristics, including:
  • Actual vs. linearized flow rate
  • Pressure drop trends
  • Flow coefficient variations
  • Uncertainty distribution

This project automates orifice flow measurement and uncertainty analysis, providing a user-friendly solution for engineers and industry professionals. By integrating advanced computational models and automated reporting, the software enhances accuracy and efficiency in fluid dynamics applications.

This project focused on the mathematical and numerical modeling of a counterflow periodic heat exchanger used in microclimate control systems. Due to technical limitations, not all aspects of such a system can be easily analyzed experimentally. Therefore, a detailed mathematical model was developed to conduct a multi-parameter analysis of the heat exchanger’s performance. The study accounted for the unsteady nature of heat transfer phenomena, assuming the flow of a Newtonian fluid with negligible compressibility effects.

Theoretical Foundations

• Heat Exchanger Modeling: Formulated a three-dimensional, transient model incorporating continuity, momentum, and energy equations.
• Flow Assumptions: Assumed laminar flow conditions due to the low Reynolds number, even at the highest air velocities.
• Phase Change Effects: Incorporated additional equations to account for condensation and evaporation processes.

Numerical Simulation

• Eulerian Wall Film (EWF) Model: Applied to simulate thin liquid films forming on heat exchanger walls.
• Species Transport Model: Used in conjunction with EWF to capture evaporation and condensation dynamics.
• Thermal and Fluid Flow Analysis: Simulated heat transfer across walls and airflow distribution within the heat exchanger.

Experimental Validation

• Prototype System: Designed based on periodic airflow reversal controlled by guiding vanes and counterflow dampers.
• Cycle Switching Analysis: Evaluated optimal air supply parameters through cyclic phase change effects.
• Condensation and Evaporation Study: Assessed water film formation and phase transitions during cyclic operation.

Geometric and Computational Modeling

• Heat Exchanger Geometry: Designed as alternating plastic panels forming separate airflow channels.
• Computational Domain: Reduced to two representative airflow channels due to periodic boundary conditions.
• Boundary Conditions: Defined for velocity inlet, pressure outlet, and periodic sidewalls to accurately model counterflow behavior.

Results and Insights

• Thermodynamic Dependencies: Identified the impact of air velocity, temperature, humidity, and cycle switching time on heat exchanger efficiency.
• Algorithm Development: Data obtained allowed for the creation of a control algorithm for optimizing device performance.
• Computational Efficiency: Utilized periodic boundary conditions to reduce computational complexity while maintaining accuracy.

Software and Tools Used

• Computational Fluid Dynamics (CFD): Used for modeling heat and mass transfer.
• Numerical Simulation: Performed using Eulerian Wall Film Model and Species Transport Model.
• Experimental Setup: Validated numerical findings against real-world prototype testing.

This study provided a comprehensive analysis of counterflow heat exchanger behavior in periodic operation. The developed numerical model successfully captured the dynamic formation and evaporation of the water film, allowing for a deeper understanding of phase change effects in ventilation systems. The findings contribute to the optimization of microclimate control systems, improving their energy efficiency and operational performance.

This project focused on the metrological analysis of flow rate measurements using orifice plates, a widely utilized method in various industries such as power engineering, fuel industry, and environmental engineering. The study specifically examined a 4-hole orifice plate with a module m = 0.25, installed in a pipeline with an internal diameter of 50 mm. Both numerical simulations and experimental tests were conducted to assess measurement accuracy and flow characteristics.

Theoretical Background

• Orifice Flow Measurement: Investigated the principles and accuracy of orifice plates as flow measurement devices.
• Centric vs. Multi-Hole Orifices: Compared conventional single-hole orifices with multi-hole designs, analyzing their advantages.
• Pressure Distribution: Evaluated the impact of hole arrangement on pressure reception and measurement accuracy.

Numerical Simulations

• Turbulence Models: Performed simulations using k-ε realizable and k-ω BSL turbulence models.
• Flow Field Analysis: Determined static pressure distribution and velocity fields within the pipeline.
• Model Accuracy Assessment: Compared numerical results with experimental data to validate simulation reliability.

Experimental Testing

• Flow Rate Range: Conducted tests for volumetric flow rates qv = 0.167 - 0.686 dm³/s, corresponding to Reynolds numbers Re = 4,200 - 19,000.
• Pressure Measurement: Recorded static pressure variations at different pipeline locations.
• Statistical Analysis: Compared deviations δ between numerical and experimental results.

Results and Validation

• Accuracy Evaluation: The parameter δ remained below 1.82% for the k-ε realizable model and -1.54% for the k-ω BSL model.
• Flow Behavior Insights: Identified the effects of hole arrangement on pressure loss and turbulence intensity.
• Measurement Reliability: Confirmed the suitability of multi-hole orifices for accurate flow rate measurements.

Software and Tools Used

• Computational Fluid Dynamics (CFD): Utilized for numerical simulation of flow behavior.
• Experimental Setup: Conducted real-world testing with controlled flow conditions.
• Statistical Analysis: Employed to compare experimental and numerical results for model validation.

The findings from this project contributed to a deeper understanding of multi-hole orifice flow measurements, confirming their reliability in real-world applications. The combination of numerical and experimental analyses provided valuable insights into optimizing pressure reception points and improving measurement accuracy. This project highlights expertise in fluid mechanics, CFD modeling, and metrological assessment.

This project explored the design and performance analysis of centrifugal fans with a spiral housing. The study involved both theoretical calculations and numerical simulations to validate the accuracy of design methodologies. The goal was to compare theoretical characteristics with results obtained through numerical methods, ensuring precision in engineering predictions.

Theoretical Foundations

• Fan Theory: Provided an overview of centrifugal fan principles, including definitions, classifications, and key operational parameters.
• Mathematical Modeling: Developed theoretical equations to predict fan performance and efficiency.
• Design Methodologies: Established guidelines for determining primary operational parameters and performance characteristics.

Numerical Simulation

• Model Creation: Designed a detailed 3D model of the centrifugal fan based on theoretical calculations.
• ANSYS Simulation: Conducted computational fluid dynamics (CFD) analysis to evaluate airflow and pressure distribution.
• Performance Validation: Compared numerical results with theoretical predictions to verify calculation accuracy.

Comparison and Results

• Efficiency Analysis: Evaluated fan efficiency under different operating conditions.
• Graphical Representation: Presented performance curves and efficiency graphs for fans designed using various methods.
• Accuracy Assessment: Determined the reliability of theoretical calculations by comparing them with numerical simulations.

Software and Tools Used

• ANSYS: Used for CFD simulations and aerodynamic analysis.
• Mathematical Modeling: Applied theoretical equations to predict fan performance.
• Graphing Tools: Visualized efficiency variations and comparative analysis.

The completion of this project provided a comprehensive understanding of centrifugal fan design and performance analysis. The comparison between theoretical and numerical results ensured the accuracy of engineering calculations, contributing valuable insights into optimizing centrifugal fan efficiency. This project highlights expertise in fluid dynamics, computational simulation, and mechanical design.

A comprehensive 3D model of a V6 engine was developed in SolidWorks for educational purposes. The project aimed to demonstrate the full assembly process and mechanical synchronization of an internal combustion engine. Every essential component of the V6 engine was meticulously designed and assembled, ensuring accurate representation and functional movement.

Component Modeling

• Crankshaft: Modeled to convert piston motion into rotational energy.
• Pistons: Designed to operate within the cylinders, generating power through reciprocating motion.
• Engine Block: Constructed as the main structural framework housing all critical engine components.
• Camshaft: Developed to control valve timing and engine performance.
• Rocker Arm and Springs: Simulated to demonstrate the motion transfer from the camshaft to the valves.
• Exhaust and Intake Manifolds: Designed to manage airflow and exhaust gases efficiently.
• Belt Wheels and Shafts: Engineered to ensure proper mechanical synchronization.

Assembly Process

• Lower Block Assembly: Integrated the crankshaft, pistons, and supporting components.
• Upper Block Assembly: Assembled the cylinder heads, camshaft, and valve train.
• Final Synchronization: Connected the shafts to the belt wheels and synchronized their movement.

Mechanical Synchronization

• Timing Mechanism: Ensured precise alignment of the camshaft, crankshaft, and belt system.
• Valve and Piston Coordination: Modeled to replicate real-world engine operation.
• Rotational Motion Analysis: Conducted to validate the functionality of the assembly.

Software and Tools Used

• SolidWorks: Used for 3D modeling, assembly, and motion simulation.
• Simulation Tools: Applied to analyze mechanical motion and synchronization.
• Animation Features: Utilized to visualize engine functionality.

The successful completion of this project provided an in-depth understanding of V6 engine mechanics, assembly processes, and synchronization principles. The model serves as a valuable educational tool, offering insight into the complexity of automotive engineering. This project highlights expertise in 3D design, mechanical systems, and SolidWorks simulation.

A 140-page price list was developed, detailing all products offered by the company. Crafted in Microsoft Word, the document is dynamically linked to an Excel spreadsheet that retrieves real-time pricing data from the internal database. This configuration ensures the price list remains current without manual updates, enhancing efficiency and reducing potential errors.

Dynamic Data Integration

• Excel Spreadsheet: Designed an Excel sheet that connects to the company's database, automatically fetching the latest prices for each product.
• Real-Time Updates: Utilized data connections and queries within Excel to ensure that any changes in the database are immediately reflected in the spreadsheet.

Automated Document Formatting

• Word-Excel Linking: Integrated the Excel spreadsheet into the Word document using linked objects and fields, allowing the Word document to display up-to-date pricing information.
• Consistent Styling: Applied consistent formatting styles across the document, including headers, footers, tables, and product descriptions, to maintain a professional appearance.

Efficient Workflow

• Automation Scripts: Developed macros and scripts to automate repetitive tasks, such as updating links and formatting tables, thereby streamlining the document update process.
• PDF Generation: Configured the document to be easily saved as a PDF, ensuring compatibility and ease of distribution on the company's internal website.

Web Integration

• Internal Website Deployment: Coordinated with the IT department to upload the PDF version of the price list to the company's intranet, making it readily accessible to employees and stakeholders.
• Regular Updates: Established a routine for periodic updates, ensuring that the price list remains accurate and reflects any changes in product pricing.

Technologies Used

• Microsoft Word: For creating and formatting the price list document.
• Microsoft Excel: For data retrieval and dynamic linking of pricing information.
• SQL Database: As the source of product pricing data.
• VBA: To develop macros for automation within Word and Excel.
• PDF: For distributing the finalized price list.

The implementation of this automated price list has significantly improved the efficiency of our pricing updates. It has reduced manual workload, minimized errors, and ensured that all stakeholders have access to the most current product pricing information. This project exemplifies my ability to leverage Microsoft Office tools to create integrated, automated solutions that address real-world business needs.

This project not only highlights technical skills but also demonstrates an understanding of business processes and the importance of accurate, accessible information in a corporate environment.

This project aimed to develop an advanced constant flow control system for recuperators, ensuring consistent airflow volume by leveraging pressure-based measurements. The primary objective was to maintain optimal performance and energy efficiency across varying operating conditions.

The measurement system utilized total pressure readings at the fan and static pressure measurements inside the recuperator. By calculating the difference between these two values, the dynamic pressure was obtained, allowing for the precise calculation of actual airflow. This approach provided accurate real-time flow monitoring essential for maintaining constant volume flow rates.

A key challenge in this project was selecting and configuring a pressure sensor that could reliably capture the necessary pressure differentials with high precision. The sensor's output was then processed using a custom-designed function to smooth the signal, ensuring stable and accurate flow readings despite fluctuations or noise in the pressure data.

The system required comprehensive calibration to establish the c flow coefficient, which is critical for accurate flow calculations using the equation:
V = c · √(∆p/ρ). This calibration process involved testing each unit across a range of flow conditions to determine the specific flow coefficient for each device. By doing so, consistent and accurate flow measurements were achieved, enhancing the reliability and efficiency of the recuperators.

Extensive testing was conducted to validate the system's performance, ensuring accurate and consistent airflow regulation. This included:

• Verifying the pressure sensor's accuracy and responsiveness
• Optimizing the smoothing function for stable output signals
• Calibrating multiple units to standardize the flow coefficient across different models

The successful implementation of this flow control system significantly improved the operational efficiency and reliability of the recuperators, ensuring constant flow volume regardless of external conditions. This innovative solution not only enhanced product performance but also contributed to improved energy efficiency.

This project focused on developing an advanced flow measurement system for flow regulators, achieving a 5% increase in measurement accuracy and a 32.0% reduction in pressure drop. These enhancements significantly improved product performance and contributed to increased product sales.

The design approach was based on the formula used by Belimo in actuators dedicated to Variable Air Volume (VAV) systems:
V = c · √(∆p/ρ), where maintaining a constant coefficient (c) throughout the measurement range of 2-20 m/s was identified as a critical factor. Below 2 m/s, measurement accuracy becomes challenging due to the minimal pressure difference (∆p) between total and static pressures at the measuring element.

A key design aspect was optimizing the positioning of pressure sensing ports. The layout was calculated using the "log-linear" method, commonly applied in cross-sectional traversing for Prandtl tube measurements. This method is grounded in the theoretical velocity distribution within a duct and is compliant with the ISO 3966:2008 standard.

The project included the development and testing of multiple prototypes, supported by Computational Fluid Dynamics (CFD) simulations. The prototypes were subjected to rigorous testing under various conditions, including:

• After obstacles such as 3-way valves
• Downstream of single and double bends
• Following different lengths of straight duct sections

These tests ensured the system's accuracy and reliability under real-world operating conditions. The results demonstrated consistent performance improvements, validating the design's effectiveness.

This project showcases a high level of technical expertise in fluid dynamics and flow measurement, leveraging advanced CFD analysis and practical testing methodologies to deliver a superior flow regulation solution.

This project involved the design and implementation of a leakage measurement stand in accordance with the PN EN 13141-7 standard, which outlines the methodology for testing the airtightness of recuperators. The primary objectives of the system were to ensure precise and reliable:

• External leakage measurement
• Internal leakage measurement

The project required a comprehensive approach, encompassing the specification and integration of all essential components. This included:

• Orifices calibrated for accurate flow measurement
• High-performance fans ensuring consistent airflow
• Precision pressure sensors for accurate differential pressure readings
• Customized duct systems for optimal flow dynamics
• Advanced actuators and dampers for controlled air regulation
• An intuitive HMI panel integrated with sophisticated automation systems for streamlined operation and monitoring

The project lifecycle included the strategic sourcing and procurement of all equipment, ensuring that components met the highest industry standards and were ready for seamless integration during the production phase.

A comprehensive software solution was developed to calculate the cost of glycol-based heat exchange systems. The tool automates the selection of system components based on technical specifications, ensuring an optimal balance between performance and cost. Designed to streamline the planning, budgeting, and quoting process, it enhances efficiency for sales and engineering teams.

• Automated Component Selection: maps all required technical specifications and selects the most cost-effective and efficient components based on input parameters such as fluid type, flow rate, heat exchanger resistance, heat exchanger volume, piping material, and system configuration.
• Advanced Hydraulic Calculations: determines optimal pipe sizing and system efficiency, including calculations for cross-sectional area, flow velocity, Reynolds number, pressure losses (linear and local), and total pressure drop.
• Pump & Component Selection: selects appropriate pumps and system components such as safety valves, expansion tanks, shut-off and balancing valves, filters, heat exchangers, and actuators based on flow parameters and cost constraints.
• Real-Time Cost Estimation: integrates a company database to pull real-time pricing for components, labor, and insulation costs, allowing users to select different material options with immediate cost and performance adjustments.
• PDF Report Generation: automatically generates a detailed report summarizing selected components, system specifications, cost breakdown, and performance parameters for sales and engineering teams.

This project significantly improved the accuracy and efficiency of pricing glycol heat exchange systems, enhancing the company’s ability to deliver precise and competitive quotations to clients.