Results 1 to 10 of about 6,420 (72)

Hydrogen, helium and thermo-acoustic refrigerators

International Journal of Air-Conditioning and Refrigeration, 2023
In this work the design and analysis of 1 kW thermo-acoustic refrigerators with hydrogen and helium for the temperature difference of 38 K is discussed. Helium is the best for thermoacoustic refrigerators compared to the other competent gases.
B. G. Prashantha, G. S. V. L. Narasimham, S. Seetharamu, Vinayak B. Hemadri   +3 more
doaj   +1 more source

Numerical and thermal analysis of a caloric refrigeration device operating near room temperature

International Journal of Air-Conditioning and Refrigeration, 2023
The application of external stimuli such as the magnetic and electric field in magnetocaloric and electrocaloric materials, and stress and pressure in elastocaloric and barocaloric materials give rise to a new generation of a refrigeration technology ...
Brahim Kehileche, Younes Chiba, Abdelhalim Tlemçani, Noureddine Henini   +3 more
doaj   +1 more source

Parametric analysis of chiller plant energy consumption in a tropical climate

International Journal of Air-Conditioning and Refrigeration, 2023
The approach that could reduce the energy consumption of water-cooled chillers in office buildings was investigated through experimental and simulation methods.
Esther Benedicta Kyere, Jen Tien-Chien, Lagouge Tartibu   +2 more
doaj   +1 more source

Flow boiling of R448 A inside mini-channel: an integrated experimental and computational investigation

International Journal of Air-Conditioning and Refrigeration
This work investigates the heat transfer of low GWP alternative refrigerant mixture R448A inside multiport mini-channel tubes through both numerical and experimental method.
Hieu Ngoc Hoang, Jong-Taek Oh, Jong-Kyu Kim   +2 more
doaj   +1 more source

A numerical simulation on heat transfer process of the cascade heat exchanger in a cascade refrigeration system using R134a/R744

International Journal of Air-Conditioning and Refrigeration
This study presented on simulating the heat transfer process of the micro plate heat exchangers in a cascade refrigeration system with the R134a/R744 by using COMSOL Multiphysics 6.2 software.
Hoangtuan Nguyen, Thanhtrung Dang, Pracha Yeunyongkul   +2 more
doaj   +1 more source

Virtual design on the heat pump refrigeration cycle: challenges and approaches

International Journal of Air-Conditioning and Refrigeration
Virtual product design (VPD) of the refrigeration cycle has long been a major subject of many engineers and manufacturers. Issues should be the question of how simulation gets close to the real world in virtual ways.
Yoon Jei Hwang, Noma Park
doaj   +1 more source

Overall impact on thermal and tribological performance of air conditioning system with nanoparticle application: a critical review 

International Journal of Air-Conditioning and Refrigeration
Over the last two decades, extensive research has consistently highlighted the significant potential of nano-based materials in revolutionizing refrigeration systems as efficient alternatives to traditional refrigerants. The integration of nanotechnology
Ku. A. H. Pundkar, S. S. Chaudhari, A. S. Daryapurkar, Rakesh Himte   +3 more
doaj   +1 more source

Energy analysis of the integration of HRV and direct evaporative cooling for energy efficiency in buildings: a case study in Iraq

International Journal of Air-Conditioning and Refrigeration, 2023
Responding to climate change and adapting to global warming requires creative solutions. In Iraq, the most reliable and popular tool to have buildings cooled is airconditioning units (AC).
Husham Al-Naseri, Robert Fryer, Ali Samir   +2 more
doaj   +1 more source

Thermodynamic investigation on the use of transcritical carbon dioxide in a reheat gas turbine-based combined cooling and power cycle

International Journal of Air-Conditioning and Refrigeration
Currently, increasing the efficiency of power generation cycles is not the only goal for engineers; the focus is also on how it is achieved, whether through conventional or non-conventional energy sources.
Jyoti Singh, Mayank Maheshwari, Keerthi Kumar B, Arun Kumar K N, N. K. Mishra, P. K. Mall, Naveen Kumar, Preethi K.H, Nagesh Kumar R, Vinayaka H.L, Gopal Kaliyaperumal, Adem Abdirkadir Aden   +11 more
doaj   +1 more source

Experimental study of the influence of pad angle on the thermal performance of a direct evaporative cooling system

International Journal of Air-Conditioning and Refrigeration, 2023
One of the most important parts of direct evaporative cooling systems is the cooling pad. Pads vary in materials and construction features. The parameters studied in the performance of the pads are air speed, pad thickness, geometrical characteristics ...
M. Mehrabi, K. Goudarzi, S. Davoodabadi Farahani   +2 more
doaj   +1 more source