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Performance Of R32/R1234yf Blends As Potential Lower Gwp Replacements For R410a In A 3 Rt Rooftop Heat Pump, Kenneth Schultz, Michael Petersen, Gurudath Nayak Jan 2024

Performance Of R32/R1234yf Blends As Potential Lower Gwp Replacements For R410a In A 3 Rt Rooftop Heat Pump, Kenneth Schultz, Michael Petersen, Gurudath Nayak

International Refrigeration and Air Conditioning Conference

No abstract provided.


Reduced Data Dependency In Heat Pump Performance Prediction Through Gray-Box Modeling, Shahzad Yousaf, Craig Bradshaw, Rushikesh Kamalapurkar, Omer San Jan 2024

Reduced Data Dependency In Heat Pump Performance Prediction Through Gray-Box Modeling, Shahzad Yousaf, Craig Bradshaw, Rushikesh Kamalapurkar, Omer San

International Refrigeration and Air Conditioning Conference

No abstract provided.


Heat Pumps With Integrated Thermochemical Energy Storage For Electricity Load Levelling, Allannah Duffy, Alper Saygin, Srinivas Garimella Jan 2024

Heat Pumps With Integrated Thermochemical Energy Storage For Electricity Load Levelling, Allannah Duffy, Alper Saygin, Srinivas Garimella

International Refrigeration and Air Conditioning Conference

No abstract provided.


Experimental Results From A 70 Kw Steam-Generating Butane Heat Pump Using Off-The-Shelve Components, Michael Uhlmann, Leon P. M. Brendel, Cordin Arpagaus, Luiseric E. Olmedo, Jurg Schiffmann, Stefan S. Bertsch Jan 2024

Experimental Results From A 70 Kw Steam-Generating Butane Heat Pump Using Off-The-Shelve Components, Michael Uhlmann, Leon P. M. Brendel, Cordin Arpagaus, Luiseric E. Olmedo, Jurg Schiffmann, Stefan S. Bertsch

International Refrigeration and Air Conditioning Conference

No abstract provided.


Experimental Study Of Air-Side Performance Of A Flat Finned Tube Heat Exchanger Under Dry And Wet Conditions, Oguz Kilic, Burhan Yoruk Jan 2024

Experimental Study Of Air-Side Performance Of A Flat Finned Tube Heat Exchanger Under Dry And Wet Conditions, Oguz Kilic, Burhan Yoruk

International Refrigeration and Air Conditioning Conference

No abstract provided.


Methods For Real-Time Assessment Of Refrigerant Charge In Residential Heat Pumps: Experimental Evaluation In Climatic Chambers, Maelle Jounay, Odile Cauret, Cedric Teuillieres, Cong Toan Tran Jan 2024

Methods For Real-Time Assessment Of Refrigerant Charge In Residential Heat Pumps: Experimental Evaluation In Climatic Chambers, Maelle Jounay, Odile Cauret, Cedric Teuillieres, Cong Toan Tran

International Refrigeration and Air Conditioning Conference

No abstract provided.


Automated Hot-Cycle Calorimeter For Household Refrigerating Compressors With Surrounding Air And Refrigerant Inlet Temperatures At 16 And 32°C, Alexsandro Silveira, Jairo Vieira, Tiago Melo, Guilherme Senger, Christian Hermes Jan 2024

Automated Hot-Cycle Calorimeter For Household Refrigerating Compressors With Surrounding Air And Refrigerant Inlet Temperatures At 16 And 32°C, Alexsandro Silveira, Jairo Vieira, Tiago Melo, Guilherme Senger, Christian Hermes

International Refrigeration and Air Conditioning Conference

No abstract provided.


Environmental Aspects Of Hfos And Hcfos: Atmospheric Lifetimes, Relevant Policy Metrics And Degradation Products, Dimitrios K. Papanastasiou Jan 2024

Environmental Aspects Of Hfos And Hcfos: Atmospheric Lifetimes, Relevant Policy Metrics And Degradation Products, Dimitrios K. Papanastasiou

International Refrigeration and Air Conditioning Conference

No abstract provided.


Performance Evaluation Of A Water-To-Water Heat Pump Using The New Low Global Warming Potential Mixture R1234yf/R600a (0.85/0.15) As Drop-In Replacement For R134a Refrigerant, Giulia Lombardo, Yeonwoo Jeong, Stefano Rossi, Davide Menegazzo, Michele De Carli, Laura Fedele, Sergio Bobbo, Min Soo Kim Jan 2024

Performance Evaluation Of A Water-To-Water Heat Pump Using The New Low Global Warming Potential Mixture R1234yf/R600a (0.85/0.15) As Drop-In Replacement For R134a Refrigerant, Giulia Lombardo, Yeonwoo Jeong, Stefano Rossi, Davide Menegazzo, Michele De Carli, Laura Fedele, Sergio Bobbo, Min Soo Kim

International Refrigeration and Air Conditioning Conference

No abstract provided.


Indirect Air-To-Liquid Heat Exchanger Design For Refrigeration Applications, Santiago Torras, Nicolas Ablanque, Joaquim Rigola, Carles Oliet, Jordi Vera, Joan Vila, Santiago Martinez Jan 2024

Indirect Air-To-Liquid Heat Exchanger Design For Refrigeration Applications, Santiago Torras, Nicolas Ablanque, Joaquim Rigola, Carles Oliet, Jordi Vera, Joan Vila, Santiago Martinez

International Refrigeration and Air Conditioning Conference

No abstract provided.


Atmospheric Transformation Of Refrigerants: Current Research Developments And Knowledge Gaps, Christian Mark Salvador, Federico Sinche Chele, Louise Stevenson, Fred Dolislager, Anthony Armstrong, Teresa Mathews, Samuel Yana Motta Jan 2024

Atmospheric Transformation Of Refrigerants: Current Research Developments And Knowledge Gaps, Christian Mark Salvador, Federico Sinche Chele, Louise Stevenson, Fred Dolislager, Anthony Armstrong, Teresa Mathews, Samuel Yana Motta

International Refrigeration and Air Conditioning Conference

No abstract provided.


Coupled System And Heat Exchanger Optimizations For Low-Gwp Refrigerant Blends, Weigang Hou, John Huby, Haotian Liu, Jinwoo Oh, Eckhard A. Groll, Riley Barta, Davide Ziviani, James E. Braun Jan 2024

Coupled System And Heat Exchanger Optimizations For Low-Gwp Refrigerant Blends, Weigang Hou, John Huby, Haotian Liu, Jinwoo Oh, Eckhard A. Groll, Riley Barta, Davide Ziviani, James E. Braun

International Refrigeration and Air Conditioning Conference

No abstract provided.


Letac-Mpc: Learning Model Predictive Control For Tactile-Reactive Grasping, Zhengtong Xu, Yu She Jan 2024

Letac-Mpc: Learning Model Predictive Control For Tactile-Reactive Grasping, Zhengtong Xu, Yu She

School of Industrial Engineering Faculty Publications

Grasping is a crucial task in robotics, necessitating tactile feedback and reactive grasping adjustments for robust grasping of objects under various conditions and with differing physical properties. In this article, we introduce LeTac-MPC, a learning-based model predictive control (MPC) for tactile-reactive grasping. Our approach enables the gripper to grasp objects with different physical properties on dynamic and force-interactive tasks. We utilize a vision-based tactile sensor, GelSight (Yuan et al. 2017), which is capable of perceiving high-resolution tactile feedback that contains information on the physical properties and states of the grasped object. LeTac-MPC incorporates a differentiable MPC layer designed to model …


Predicting Vapor Injected Compressor Performance Using Artificial Neural Networks, Amjid Khan, Craig R. Bradshaw, Jonas Schmitt, Robin Langebach Jan 2024

Predicting Vapor Injected Compressor Performance Using Artificial Neural Networks, Amjid Khan, Craig R. Bradshaw, Jonas Schmitt, Robin Langebach

International Compressor Engineering Conference

No abstract provided.


Design And Validation Of A Heat Pump Digital Twin And Its Control Strategy Towards The Development Of Flexibility Focused Controllers, Nicolas Renté, Laure Meljac, Odile Cauret, Kévin Attonaty, Cong Toan Tran, Pascal Stabat Jan 2024

Design And Validation Of A Heat Pump Digital Twin And Its Control Strategy Towards The Development Of Flexibility Focused Controllers, Nicolas Renté, Laure Meljac, Odile Cauret, Kévin Attonaty, Cong Toan Tran, Pascal Stabat

International High Performance Buildings Conference

No abstract provided.


Modeling And Experimental Validation Of The Thermophysical Properties Of A Poe+R1233zd(E) Mixture, Nicolas Leclercq, Katharina Stöckel, Christiane Thomas, Vincent Lemort Jan 2024

Modeling And Experimental Validation Of The Thermophysical Properties Of A Poe+R1233zd(E) Mixture, Nicolas Leclercq, Katharina Stöckel, Christiane Thomas, Vincent Lemort

International Compressor Engineering Conference

No abstract provided.


Influence Of Suction Muffler Design On The Suction Effective Flow And Force Areas Of A Reciprocating Compressor, Tadeu Tonheiro Rodrigues Jan 2024

Influence Of Suction Muffler Design On The Suction Effective Flow And Force Areas Of A Reciprocating Compressor, Tadeu Tonheiro Rodrigues

International Compressor Engineering Conference

No abstract provided.


Air Conditioning Compressor Oil Enhancement Using Carbon-Based Nanolubricants, Hessah Althalab, Naser Ali, Shikha Ebrahim, Ammar Bahman Jan 2024

Air Conditioning Compressor Oil Enhancement Using Carbon-Based Nanolubricants, Hessah Althalab, Naser Ali, Shikha Ebrahim, Ammar Bahman

International Compressor Engineering Conference

No abstract provided.


Vapor Injection Compressors: A Review Of Opportunities, Testing And Sampling Techniques, And Methods Of Characterization, Timothy Kim, Dennis Nasuta, Shankhinee Deshpande, Song Li, Cara Martin Jan 2024

Vapor Injection Compressors: A Review Of Opportunities, Testing And Sampling Techniques, And Methods Of Characterization, Timothy Kim, Dennis Nasuta, Shankhinee Deshpande, Song Li, Cara Martin

International Compressor Engineering Conference

No abstract provided.


Modeling Scroll Compressor Performance With Different Refrigerants, Andrew L. Hjortland, Roy R. Crawford Jan 2024

Modeling Scroll Compressor Performance With Different Refrigerants, Andrew L. Hjortland, Roy R. Crawford

International Compressor Engineering Conference

No abstract provided.


Tribometer For The Investigation Of Self-Lubricating Sealing Materials Under Realistic Compression Conditions, Max Joswig, Konrad Klotsche, Christiane Thomas Jan 2024

Tribometer For The Investigation Of Self-Lubricating Sealing Materials Under Realistic Compression Conditions, Max Joswig, Konrad Klotsche, Christiane Thomas

International Compressor Engineering Conference

No abstract provided.


Automated Optimization Of Variable Back-Pressure Of Scroll Compressors Across The Entire Operation Envelope, Christian Busch, Markus Öttl Jan 2024

Automated Optimization Of Variable Back-Pressure Of Scroll Compressors Across The Entire Operation Envelope, Christian Busch, Markus Öttl

International Compressor Engineering Conference

No abstract provided.


Shape Optimization Of A Roots Blower Rotor Profile Using Cfd Model With A Coupled Adjoint-Sculpting Method, Neeraj Bikramaditya, Sham Rane, Ahmed Kovacevic Jan 2024

Shape Optimization Of A Roots Blower Rotor Profile Using Cfd Model With A Coupled Adjoint-Sculpting Method, Neeraj Bikramaditya, Sham Rane, Ahmed Kovacevic

International Compressor Engineering Conference

No abstract provided.


Material Characterization And Material Model Development For Simulating Elastomeric Parts In Diaphragm Pumps, Andreas Swienty, Robert Eberlein, Raphael Thierrin, Nuno Dias Vidal De Castro Jan 2024

Material Characterization And Material Model Development For Simulating Elastomeric Parts In Diaphragm Pumps, Andreas Swienty, Robert Eberlein, Raphael Thierrin, Nuno Dias Vidal De Castro

International Compressor Engineering Conference

No abstract provided.


New Understanding Of Higher Oil Film Between Scroll Wraps Of Scroll Compressors Due To Rolling And Sliding, Keiko Anami, Ryosuke Okamoto, Masaru Tanaka, Kenichi Sata, Hideki Matsuura, Yukiko Maejima, Kosuke Nishimura, Kanetaka Miyazawa Jan 2024

New Understanding Of Higher Oil Film Between Scroll Wraps Of Scroll Compressors Due To Rolling And Sliding, Keiko Anami, Ryosuke Okamoto, Masaru Tanaka, Kenichi Sata, Hideki Matsuura, Yukiko Maejima, Kosuke Nishimura, Kanetaka Miyazawa

International Compressor Engineering Conference

No abstract provided.


Evaluation Of Positive Displacement Compressor Testing Techniques, Variation, And Uncertainty, Alexander Schmig, Lars Sjoholm Jan 2024

Evaluation Of Positive Displacement Compressor Testing Techniques, Variation, And Uncertainty, Alexander Schmig, Lars Sjoholm

International Compressor Engineering Conference

No abstract provided.


Design Of Axial Active Magnetic Bearing With High Load Capacity For Low Pressure Centrifugal Chiller, Shih-Ying Chiang, Chao-Yun Chen, Kuo-Shu Hung Jan 2024

Design Of Axial Active Magnetic Bearing With High Load Capacity For Low Pressure Centrifugal Chiller, Shih-Ying Chiang, Chao-Yun Chen, Kuo-Shu Hung

International Compressor Engineering Conference

No abstract provided.


Material Compatibility Of Polymers With Low Gwp Refrigerants And Lubricant, Cameron Robaczewski, Morgan Herried Leehey, Zachary Dedeker Jan 2024

Material Compatibility Of Polymers With Low Gwp Refrigerants And Lubricant, Cameron Robaczewski, Morgan Herried Leehey, Zachary Dedeker

International Compressor Engineering Conference

No abstract provided.


Development Of A Black-Box Compressor Model That Captures Vapor-Injection Compared Against Established Black-Box Models, Amjid Khan, Craig R. Bradshaw Jan 2024

Development Of A Black-Box Compressor Model That Captures Vapor-Injection Compared Against Established Black-Box Models, Amjid Khan, Craig R. Bradshaw

International Compressor Engineering Conference

No abstract provided.


Study On The Asymmetric Thermodynamic Process Of An Ev Scroll Compressor, Zibo Zhao, Jianhua Wu, Shuai Zhang, Che Wang, Jiajing Li Jan 2024

Study On The Asymmetric Thermodynamic Process Of An Ev Scroll Compressor, Zibo Zhao, Jianhua Wu, Shuai Zhang, Che Wang, Jiajing Li

International Compressor Engineering Conference

No abstract provided.