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Proceedings Papers

A Numerical Study of Refrigerant Leakage From a Propane-Based Refrigeration System

Mingkan Zhang, Vishaldeep Sharma, Brian A. Fricke
Proc. ASME. HT2023, ASME 2023 Heat Transfer Summer Conference, V001T13A008, July 10–12, 2023
Publisher: American Society of Mechanical Engineers
Paper No: HT2023-107381
https://doi.org/10.1115/HT2023-107381
View Paper titled, A Numerical Study of Refrigerant Leakage From a Propane-Based Refrigeration System
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Topics: Computational fluid dynamics, Leakage, Refrigerants, Refrigeration, Ventilation
Proceedings Papers

Experimental and Modelling Analysis of a Large-Scale Two-Phase Loop Thermosyphon

Debraliz Isaac Aragones, Chien-Hua Chen, Justin A. Weibel, David M. Warsinger, Richard W. Bonner
Proc. ASME. HT2022, ASME 2022 Heat Transfer Summer Conference, V001T13A001, July 11–13, 2022
Publisher: American Society of Mechanical Engineers
Paper No: HT2022-78822
https://doi.org/10.1115/HT2022-78822
View Paper titled, Experimental and Modelling Analysis of a Large-Scale Two-Phase Loop Thermosyphon
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Topics: Air conditioning, Condensers (steam plant), Cooling, Cooling towers, Flow (Dynamics), Glass, Gravity (Force), Heat, Heating, HVAC equipment
Proceedings Papers

Effect of Intermittent Personalized Ventilation on Coughed Particles Dispersion in an Office Space and Resulting Cross Contamination

Elvire Katramiz, Nesreen Ghaddar, Kamel Ghali
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T01A001, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-60817
https://doi.org/10.1115/HT2021-60817
View Paper titled, Effect of Intermittent Personalized Ventilation on Coughed Particles Dispersion in an Office Space and Resulting Cross Contamination
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Topics: Air pollution, Contamination, Particulate matter, Ventilation
Proceedings Papers

Sustainable Poultry House Ventilation Using Dew Point Indirect Evaporative Cooler Aided With Radiative Cooling

Douaa Al-Assaad, Nesreen Ghaddar, Kamel Ghali, Djamel Ouahrani
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T01A004, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-62381
https://doi.org/10.1115/HT2021-62381
View Paper titled, Sustainable Poultry House Ventilation Using Dew Point Indirect Evaporative Cooler Aided With Radiative Cooling
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Topics: Cooling, Evaporative cooling, Sustainability, Ventilation
Proceedings Papers

A Passive Ventilation and Air Conditioning System for an Office Space In Hot Climate

Jean Paul Harrouz, Kamel Ghali, Nesreen Ghaddar
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T01A005, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-62520
https://doi.org/10.1115/HT2021-62520
View Paper titled, A Passive Ventilation and Air Conditioning System for an Office Space In Hot Climate
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Topics: Air conditioning, Climate, Cooling systems, Evaporative cooling, Ventilation, Cooling, Space, Water, Air pollution, Carbon dioxide
Proceedings Papers

Thermal Comfort and Energy Savings in a Simulated Office Conditioned by a Transient Personalized Ventilator and a Displacement Ventilation System

Douaa Al Assad, Kamel Ghali, Nesreen Ghaddar, Elvire Katramiz
Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T04A001, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: HT2020-8914
https://doi.org/10.1115/HT2020-8914
View Paper titled, Thermal Comfort and Energy Savings in a Simulated Office Conditioned by a Transient Personalized Ventilator and a Displacement Ventilation System
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Topics: Displacement, Transients (Dynamics), Ventilation
Proceedings Papers

Effective Mixed-Mode Ventilation System With Intermittent Personalized Ventilation for Improving Thermal Comfort in an Office Space

Elvire Katramiz, Nesreen Ghaddar, Kamel Ghali
Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T04A002, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: HT2020-8915
https://doi.org/10.1115/HT2020-8915
View Paper titled, Effective Mixed-Mode Ventilation System With Intermittent Personalized Ventilation for Improving Thermal Comfort in an Office Space
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Topics: Ventilation
Proceedings Papers

Effectiveness of Intermittent Personalized Ventilation Assisting Chilled Ceiling in Protecting Occupants Against Active Particles

Douaa Al-Assad, Nesreen Ghaddar, Kamel Ghali
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T03A001, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3471
https://doi.org/10.1115/HT2019-3471
View Paper titled, Effectiveness of Intermittent Personalized Ventilation Assisting Chilled Ceiling in Protecting Occupants Against Active Particles
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Topics: Ceilings, Particulate matter, Ventilation
Proceedings Papers

Performance of Intermittent Personalized Ventilation Assisting Mixing Ventilation in the Presence of Indoor Disturbance

Douaa Al-Assad, Kamel Ghali, Nesreen Ghaddar
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T03A002, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3473
https://doi.org/10.1115/HT2019-3473
View Paper titled, Performance of Intermittent Personalized Ventilation Assisting Mixing Ventilation in the Presence of Indoor Disturbance
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Topics: Air pollution, Ventilation
Proceedings Papers

A Hybrid Absorption System With Generator Level Optical Control and Variable Flow Rate

Gleidson Souza, José V. C. Vargas, Wellington Balmant, Marcos C. Campos, Leonardo C. Martinez, Juan C. Ordóñez, André B. Mariano
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T07A007, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3708
https://doi.org/10.1115/HT2019-3708
View Paper titled, A Hybrid Absorption System With Generator Level Optical Control and Variable Flow Rate
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Topics: Absorption, Flow (Dynamics), Generators, Refrigeration, Air conditioning, Centrifugal pumps, Compression, Control systems, Cycles, Fluids
Proceedings Papers

Numerical Investigation on Thermal and Fluid Dynamic Analysis of a Solar Chimney in a Building Façade

Bernardo Buonomo, Furio Cascetta, Alessandra Diana, Oronzio Manca, Sergio Nardini
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T13A013, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3612
https://doi.org/10.1115/HT2019-3612
View Paper titled, Numerical Investigation on Thermal and Fluid Dynamic Analysis of a Solar Chimney in a Building Façade
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Topics: Dynamic analysis, Fluids, Solar energy, Steady state, Transients (Dynamics), Air flow, Emissivity, Engineering simulation, Glass, Heat flux
Proceedings Papers

PPV Effect on Smoke Movement Through a Shaft in High-Rise Fires: Experiments and CFD Simulation

Xiaoman Ye, Ofodike A. Ezekoye, Qize He
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T04A004, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3733
https://doi.org/10.1115/HT2019-3733
View Paper titled, PPV Effect on Smoke Movement Through a Shaft in High-Rise Fires: Experiments and CFD Simulation
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Topics: Computational fluid dynamics, Fire, Pressure, Simulation, Smoke, Ventilation
Proceedings Papers

A Novel Modeling Approach to Estimate Segmental and Intersegmental Ventilation and Heat Transport From a Walking Clothed Human Using Electric Circuit Analogy

Nagham Ismail, Nesreen Ghaddar, Kamel Ghali
Proc. ASME. HT2017, Volume 2: Heat Transfer Equipment; Heat Transfer in Multiphase Systems; Heat Transfer Under Extreme Conditions; Nanoscale Transport Phenomena; Theory and Fundamental Research in Heat Transfer; Thermophysical Properties; Transport Phenomena in Materials Processing and Manufacturing, V002T14A002, July 9–12, 2017
Publisher: American Society of Mechanical Engineers
Paper No: HT2017-4748
https://doi.org/10.1115/HT2017-4748
View Paper titled, A Novel Modeling Approach to Estimate Segmental and Intersegmental Ventilation and Heat Transport From a Walking Clothed Human Using Electric Circuit Analogy
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Topics: Circuits, Heat, Modeling, Ventilation, Wind, Air flow, Heat losses, Permeability, Pressure, Vapors
Proceedings Papers

Performance of Mixing Ventilation System Coupled With Dynamic Personalized Ventilator for Thermal Comfort

Douaa Al-Assaad, Nesreen Ghaddar, Kamel Ghali
Proc. ASME. HT2017, Volume 1: Aerospace Heat Transfer; Computational Heat Transfer; Education; Environmental Heat Transfer; Fire and Combustion Systems; Gas Turbine Heat Transfer; Heat Transfer in Electronic Equipment; Heat Transfer in Energy Systems, V001T04A001, July 9–12, 2017
Publisher: American Society of Mechanical Engineers
Paper No: HT2017-4747
https://doi.org/10.1115/HT2017-4747
View Paper titled, Performance of Mixing Ventilation System Coupled With Dynamic Personalized Ventilator for Thermal Comfort
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Topics: Ventilation, Air flow, Computational fluid dynamics, Flow (Dynamics), Temperature, Transients (Dynamics), Air pollution, Engineering simulation, Heat, Simulation
Proceedings Papers

Experimental Study on Flame Behavior in Under-Ventilated Train Car

K. L. Wong, W. K. Chow, Y. W. Ng
Proc. ASME. HT2016, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Theory and Fundamentals in Heat Transfer; Nanoscale Thermal Transport; Heat Transfer in Equipment; Heat Transfer in Fire and Combustion; Transport Processes in Fuel Cells and Heat Pipes; Boiling and Condensation in Macro, Micro and Nanosystems, V001T06A004, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: HT2016-7334
https://doi.org/10.1115/HT2016-7334
View Paper titled, Experimental Study on Flame Behavior in Under-Ventilated Train Car
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Topics: Flames, Trains, Fire, Ventilation, Combustion, Oxygen, Doors, Fuels, Subways, Automobiles
Proceedings Papers

Comparison of Mixed and Stratified Ventilation Systems in Production Areas: Experimental and Simulation Studies

Mirko Schäfer, Johannes Wagner, Jens Hesselbach, Long Phan, Cheng-Xian Lin
Proc. ASME. HT2013, Volume 4: Heat and Mass Transfer Under Extreme Conditions; Environmental Heat Transfer; Computational Heat Transfer; Visualization of Heat Transfer; Heat Transfer Education and Future Directions in Heat Transfer; Nuclear Energy, V004T13A006, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17646
https://doi.org/10.1115/HT2013-17646
View Paper titled, Comparison of Mixed and Stratified Ventilation Systems in Production Areas: Experimental and Simulation Studies
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Topics: Simulation, Ventilation equipment, Ventilation, Stress, Air flow, Air pollution, Carbon dioxide, Cooling, Energy consumption, Machinery
Proceedings Papers

Numerical Study of Internal Fire Whirls in a Kitchen With Ceiling Vents

W. K. Chow, N. Cai, Y. Gao
Proc. ASME. HT2013, Volume 2: Heat Transfer Enhancement for Practical Applications; Heat and Mass Transfer in Fire and Combustion; Heat Transfer in Multiphase Systems; Heat and Mass Transfer in Biotechnology, V002T05A012, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17103
https://doi.org/10.1115/HT2013-17103
View Paper titled, Numerical Study of Internal Fire Whirls in a Kitchen With Ceiling Vents
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Topics: Ceilings, Fire, Ventilation, Vents, Whirls
Proceedings Papers

Performance of Coaxial Ceiling-Mounted Personalized Ventilator for Comfort and Good Air Quality

Nesreen Ghaddar, Kamel Ghali, Alain Makhoul
Proc. ASME. HT2013, Volume 4: Heat and Mass Transfer Under Extreme Conditions; Environmental Heat Transfer; Computational Heat Transfer; Visualization of Heat Transfer; Heat Transfer Education and Future Directions in Heat Transfer; Nuclear Energy, V004T13A008, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17814
https://doi.org/10.1115/HT2013-17814
View Paper titled, Performance of Coaxial Ceiling-Mounted Personalized Ventilator for Comfort and Good Air Quality
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Topics: Air pollution, Ceilings, Particulate matter, Ventilation
Proceedings Papers

A Numerical Study of the Effect of Thermal Mass on the Transient Thermal Performance of a Simple Three Storied Atrium Building

Shafqat Hussain, Patrick H. Oosthuizen
Proc. ASME. HT2012, Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer, 943-952, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: HT2012-58132
https://doi.org/10.1115/HT2012-58132
View Paper titled, A Numerical Study of the Effect of Thermal Mass on the Transient Thermal Performance of a Simple Three Storied Atrium Building
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Topics: Buoyancy, Computational fluid dynamics, Engineering simulation, Simulation, Transients (Dynamics), Turbulence, Ventilation
Proceedings Papers

Integrated Desiccant–Indirect Evaporative Cooling System Utilizing the Maisotsenko Cycle

William M. Worek, Mark Khinkis, David Kalensky, Valeriy Maisotsenko
Proc. ASME. HT2012, Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer, 21-28, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: HT2012-58039
https://doi.org/10.1115/HT2012-58039
View Paper titled, Integrated Desiccant–Indirect Evaporative Cooling System Utilizing the Maisotsenko Cycle
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Topics: Cycles, Evaporative cooling, Temperature, Air conditioners, Enthalpy, Heat, Air pollution, Compression, Cooling, Cooling systems