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Model Of Heat Pump Water Heater Operating On A New Storage Heat Pump Cycle To Achieve Higher Operating Range, Purav Patel, Stefan Elbel Jul 2022

Model Of Heat Pump Water Heater Operating On A New Storage Heat Pump Cycle To Achieve Higher Operating Range, Purav Patel, Stefan Elbel

International Refrigeration and Air Conditioning Conference

No abstract provided.


Design Optimization Of R744 Ejector For Compressor Oil Pumping, Md Muntasir Alam, Stefan Elbel Jul 2022

Design Optimization Of R744 Ejector For Compressor Oil Pumping, Md Muntasir Alam, Stefan Elbel

International Refrigeration and Air Conditioning Conference

No abstract provided.


Pressure Drop Of Low Gwp Refrigerant Mixture Of R1234yf And R32 Inside Small Diameter Horizontal Microfin Tube, Hakimatul Ubudiyah, Afdhal Kurniawan Mainil, Kazuki Sadakata, Keishi Kariya, Akio Miyara Jul 2022

Pressure Drop Of Low Gwp Refrigerant Mixture Of R1234yf And R32 Inside Small Diameter Horizontal Microfin Tube, Hakimatul Ubudiyah, Afdhal Kurniawan Mainil, Kazuki Sadakata, Keishi Kariya, Akio Miyara

International Refrigeration and Air Conditioning Conference

No abstract provided.


Experimental Investigation Of Additively Manufactured Microchannel Evaporator Performance Using Low-Gwp Refrigerants Compared To Conventional Air Cooling In Electronics Cooling, Theresa Kramer, Kevin Lemberg, Riley B. Barta, Mario Raddatz, Ullrich Hesse Jul 2022

Experimental Investigation Of Additively Manufactured Microchannel Evaporator Performance Using Low-Gwp Refrigerants Compared To Conventional Air Cooling In Electronics Cooling, Theresa Kramer, Kevin Lemberg, Riley B. Barta, Mario Raddatz, Ullrich Hesse

International Refrigeration and Air Conditioning Conference

No abstract provided.


Potential Of Power And Heat Prosumers For Climate-Neutral Energy Systems, Benedikt Gregor Bederna, Riley Bradley Barta Jul 2022

Potential Of Power And Heat Prosumers For Climate-Neutral Energy Systems, Benedikt Gregor Bederna, Riley Bradley Barta

International Refrigeration and Air Conditioning Conference

No abstract provided.


Field Testing Of A Transcritical Organic Rankine Cycle (Orc) Engine Coupled With Concentrating Photovoltaic Thermal Collectors, Jera Van Nieuwenhuyse, Anastasios Skiadopoulos, Dimitris Manolakos, Steven Lecompte, Michel De Paepe Jul 2022

Field Testing Of A Transcritical Organic Rankine Cycle (Orc) Engine Coupled With Concentrating Photovoltaic Thermal Collectors, Jera Van Nieuwenhuyse, Anastasios Skiadopoulos, Dimitris Manolakos, Steven Lecompte, Michel De Paepe

International Refrigeration and Air Conditioning Conference

No abstract provided.


Chemical Stability Investigations Of Ultra-Low Gwp Refrigerants R-1336mzz(Z), R-1336mzz(E), R-514a, R-1233zd(E), And R-1224yd(Z) With Lubricants, Stephen Kujak, Morgan Herried-Leehey, Cameron Robaczewski Jul 2022

Chemical Stability Investigations Of Ultra-Low Gwp Refrigerants R-1336mzz(Z), R-1336mzz(E), R-514a, R-1233zd(E), And R-1224yd(Z) With Lubricants, Stephen Kujak, Morgan Herried-Leehey, Cameron Robaczewski

International Refrigeration and Air Conditioning Conference

No abstract provided.


Introduction To Ashrae 205 – A New Standard For Hvac&R Performance Maps, Ralph Muehleisen, Charles S. Barnaby, Neal Kruis, Timothy P. Mcdowell Jul 2022

Introduction To Ashrae 205 – A New Standard For Hvac&R Performance Maps, Ralph Muehleisen, Charles S. Barnaby, Neal Kruis, Timothy P. Mcdowell

International Refrigeration and Air Conditioning Conference

No abstract provided.


Improved Airside Modeling Of Heat Exchangers For 1d Refrigeration Cycle Simulation Through The Experimental Determination Of Factors Of Influence, Kevin Wimmer, Jan Kummer, Christoph Zainer, Lukas Dür, Michael Lang, Raimund Almbauer Jul 2022

Improved Airside Modeling Of Heat Exchangers For 1d Refrigeration Cycle Simulation Through The Experimental Determination Of Factors Of Influence, Kevin Wimmer, Jan Kummer, Christoph Zainer, Lukas Dür, Michael Lang, Raimund Almbauer

International Refrigeration and Air Conditioning Conference

No abstract provided.


Compressor Speed, Expansion Valve Opening And Refrigerant Charge Influences On The Propane Unit Design, Zvonimir Jankovic, Branimir Pavkovic, Jaime Sieres, Marija Zivic Jul 2022

Compressor Speed, Expansion Valve Opening And Refrigerant Charge Influences On The Propane Unit Design, Zvonimir Jankovic, Branimir Pavkovic, Jaime Sieres, Marija Zivic

International Refrigeration and Air Conditioning Conference

No abstract provided.


On The Lubricant Pathway In Rotary Compressors, Puyuan Wu, Jun Chen, Paul Sojka, Yang Li, Hongjun Cao Jul 2022

On The Lubricant Pathway In Rotary Compressors, Puyuan Wu, Jun Chen, Paul Sojka, Yang Li, Hongjun Cao

International Refrigeration and Air Conditioning Conference

No abstract provided.


On The Feasibility Of Model-Based Design And Optimal Control Of Industrial Air-Conditioning System, Noma Park, Han Won Park, Soo Kyung Kim, Zhe Quan Jin, Hyuk Min Kwon, Jin Min Cho, Yoon Jei Hwang, Sai Kee Oh Jul 2022

On The Feasibility Of Model-Based Design And Optimal Control Of Industrial Air-Conditioning System, Noma Park, Han Won Park, Soo Kyung Kim, Zhe Quan Jin, Hyuk Min Kwon, Jin Min Cho, Yoon Jei Hwang, Sai Kee Oh

International Refrigeration and Air Conditioning Conference

No abstract provided.


Investigation Of Electrochemical Looping Heat Pump Technology In Heating Mode, Elias Nikolaos Pergantis, James E. Braun, Eckhard A. Groll, Davide Ziviani Jul 2022

Investigation Of Electrochemical Looping Heat Pump Technology In Heating Mode, Elias Nikolaos Pergantis, James E. Braun, Eckhard A. Groll, Davide Ziviani

International Refrigeration and Air Conditioning Conference

No abstract provided.


Electrical Signature Based Fault Detection And Classification Framework For Single-Speed, Unitary Heat Pumps Using An Adaptative Neural Network Approach, David Yuill, Andrea Mammoli, Thomas Caudell, Krish Gomatom, Yifeng Hu, Olusegun Showunmi Jul 2022

Electrical Signature Based Fault Detection And Classification Framework For Single-Speed, Unitary Heat Pumps Using An Adaptative Neural Network Approach, David Yuill, Andrea Mammoli, Thomas Caudell, Krish Gomatom, Yifeng Hu, Olusegun Showunmi

International Refrigeration and Air Conditioning Conference

No abstract provided.


Energy Efficient Heating And Air Conditioning Concept For City Cars And Microcars, Joerg Aurich, Rico Baumgart Jul 2022

Energy Efficient Heating And Air Conditioning Concept For City Cars And Microcars, Joerg Aurich, Rico Baumgart

International Refrigeration and Air Conditioning Conference

No abstract provided.


Evaporator Flooding Upon Compressor Start-Up As A Function Of Heat Exchanger Geometry And Refrigerant, Smrithi Pranatharthi Haran, Leon P. M. Brendel, Haotian Liu, James E. Braun, Eckhard A. Groll Jul 2022

Evaporator Flooding Upon Compressor Start-Up As A Function Of Heat Exchanger Geometry And Refrigerant, Smrithi Pranatharthi Haran, Leon P. M. Brendel, Haotian Liu, James E. Braun, Eckhard A. Groll

International Refrigeration and Air Conditioning Conference

No abstract provided.


A Numerical Modelling Study On Submerged Condensers For Heat Pump Water Heaters Using Low-Gwp Refrigerants, Mingkan Zhang, Bo Shen Jul 2022

A Numerical Modelling Study On Submerged Condensers For Heat Pump Water Heaters Using Low-Gwp Refrigerants, Mingkan Zhang, Bo Shen

International Refrigeration and Air Conditioning Conference

No abstract provided.


Condensation Heat Transfer Coefficient Measurements And Flow Pattern Visualizations Of R515b And R450a Inside A 3.4 Mm Diameter Channel, Marco Azzolin, Arianna Berto, Stefano Bortolin, Nicolò Mattiuzzo, Davide Del Col Jul 2022

Condensation Heat Transfer Coefficient Measurements And Flow Pattern Visualizations Of R515b And R450a Inside A 3.4 Mm Diameter Channel, Marco Azzolin, Arianna Berto, Stefano Bortolin, Nicolò Mattiuzzo, Davide Del Col

International Refrigeration and Air Conditioning Conference

No abstract provided.


Modeling Of An Ultra-Low Temperature Refrigeration System For Independent Vaccines And Medical Supplies Storage, Abd Alrhman Mohammad Bani Issa, Elias N. Pergantis, John K. Brehm, Eckhard A. Groll, Davide Ziviani Jul 2022

Modeling Of An Ultra-Low Temperature Refrigeration System For Independent Vaccines And Medical Supplies Storage, Abd Alrhman Mohammad Bani Issa, Elias N. Pergantis, John K. Brehm, Eckhard A. Groll, Davide Ziviani

International Refrigeration and Air Conditioning Conference

No abstract provided.


On The Pressure Drop Of Various Hydraulic Pipes Including 90-Degree Bends And T-Shape Manifolds: 1-D And 3-D Analyses, Hyun Jin Kwon, Yeong Jun Yun, Se-Myong Chang, Yong Cho Jul 2022

On The Pressure Drop Of Various Hydraulic Pipes Including 90-Degree Bends And T-Shape Manifolds: 1-D And 3-D Analyses, Hyun Jin Kwon, Yeong Jun Yun, Se-Myong Chang, Yong Cho

International Refrigeration and Air Conditioning Conference

No abstract provided.


Developing Computationally Efficient Artificial Neural Network Model Of R744 Microchannel Evaporator From Experimental Data For Component Selection Analysis Of An Ejector System, Muhammad Haider, Stefan Elbel Jul 2022

Developing Computationally Efficient Artificial Neural Network Model Of R744 Microchannel Evaporator From Experimental Data For Component Selection Analysis Of An Ejector System, Muhammad Haider, Stefan Elbel

International Refrigeration and Air Conditioning Conference

No abstract provided.


Performance Evaluation Of A Hybrid Air Conditioning System Based On Transcritical Co2 Cycle, Sobiya Maqbool, Ramgopal Maddali Jul 2022

Performance Evaluation Of A Hybrid Air Conditioning System Based On Transcritical Co2 Cycle, Sobiya Maqbool, Ramgopal Maddali

International Refrigeration and Air Conditioning Conference

No abstract provided.


A Computational Fluid Dynamic Study On Polymer Heat Exchangers, Mingkan Zhang, Kashif Nawaz, Kai Li, Tyler Smith Jul 2022

A Computational Fluid Dynamic Study On Polymer Heat Exchangers, Mingkan Zhang, Kashif Nawaz, Kai Li, Tyler Smith

International Refrigeration and Air Conditioning Conference

No abstract provided.


A Methodology For Mapping The Performance Of Air-To-Air Heat Recovery Ventilators Using Laboratory Tests, Jie Ma, W. Travis Horton, James E. Braun Jul 2022

A Methodology For Mapping The Performance Of Air-To-Air Heat Recovery Ventilators Using Laboratory Tests, Jie Ma, W. Travis Horton, James E. Braun

International Refrigeration and Air Conditioning Conference

No abstract provided.


Impact Of Cycle Parameters On Moisture Removal Rate Of A Sorption-Based Dehumidification System, Behnam Ahmadi, Masoud Ahmadi, Kashif Nawaz, Kyle Gluesenkamp, Sajjad Bigham Jul 2022

Impact Of Cycle Parameters On Moisture Removal Rate Of A Sorption-Based Dehumidification System, Behnam Ahmadi, Masoud Ahmadi, Kashif Nawaz, Kyle Gluesenkamp, Sajjad Bigham

International Refrigeration and Air Conditioning Conference

No abstract provided.


Numerical Study Of Novel Regenerator Design For Solid-State Caloric Cycles, Minwoong Kang, Stefan Elbel Jul 2022

Numerical Study Of Novel Regenerator Design For Solid-State Caloric Cycles, Minwoong Kang, Stefan Elbel

International Refrigeration and Air Conditioning Conference

No abstract provided.


Propane As Working Fluid For Heat Pump Water Heaters- Opportunities And Challenges, Kashif Nawaz, Joseph Rendall, Ahmed Elatar, Jian Sun Jul 2022

Propane As Working Fluid For Heat Pump Water Heaters- Opportunities And Challenges, Kashif Nawaz, Joseph Rendall, Ahmed Elatar, Jian Sun

International Refrigeration and Air Conditioning Conference

No abstract provided.


Experimental Investigation Of A Phase Change Material Charged Finned-Tube Heat Exchanger, Jangho Yang, Jan Muehlbauer, Daniel Bacellar, Jiazhen Ling, Vikrant Aute, Yunho Hwang Jul 2022

Experimental Investigation Of A Phase Change Material Charged Finned-Tube Heat Exchanger, Jangho Yang, Jan Muehlbauer, Daniel Bacellar, Jiazhen Ling, Vikrant Aute, Yunho Hwang

International Refrigeration and Air Conditioning Conference

No abstract provided.


Simulation Research On Variable Speed Air Conditioner Under Extreme Conditions, Lei Zhang, Chunhui Liu Jul 2022

Simulation Research On Variable Speed Air Conditioner Under Extreme Conditions, Lei Zhang, Chunhui Liu

International Refrigeration and Air Conditioning Conference

No abstract provided.


Development Of An Emulator-Based Assessment Method For Representative Evaluation Of The Dynamic Performance Of Air Conditioners, Niccolo Giannetti, Hifni Ariyadi, Yoichi Miyaoka, Jongsoo Jeong, Kiyoshi Saito Jul 2022

Development Of An Emulator-Based Assessment Method For Representative Evaluation Of The Dynamic Performance Of Air Conditioners, Niccolo Giannetti, Hifni Ariyadi, Yoichi Miyaoka, Jongsoo Jeong, Kiyoshi Saito

International Refrigeration and Air Conditioning Conference

No abstract provided.