Results 21 to 30 of about 6,370 (51)

Experimental investigation to evaluate the impact of dimensional parameters of elliptical configured coil condenser on the performance of a vapour compression refrigeration system

International Journal of Air-Conditioning and Refrigeration
The focus of this research is to experimentally explore the influence of elliptically configured coil (ECC) condenser dimensional parameters and working conditions on the coefficient of performance (COP) of vapour compression refrigeration systems (VCRS).
Savitha D C, Ranaprathap Reddy N, Nithesh Kumble Gokuldas, Shreekala N, G M Swamy, G Padmavathi, Mohd Hamid Hussain, Adem Abdirkadir Aden   +7 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

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 investigation of thermal performance of microchannel heat sinks with pin-fin structures fabricated via lithography method

International Journal of Air-Conditioning and Refrigeration
Microchannel heat sinks (MCHSs) are compact cooling devices that play a crucial role in modern thermal management systems. They offer efficient heat transfer and are widely used in electronic cooling.
Nor Atiqah Zolpakar, Siti Nursyahirah Zahari, Mohd Izuan Amin Ishak, Mohd Aidil Safwan Abdul Aziz, Nurrizatul Atikha Rahmat, Siti Norsyahirah Awang   +5 more
doaj   +1 more source

Performance evaluation of an IoT-based smart double-skin façade system for indoor thermal comfort improvement in summer based on field experiment findings

International Journal of Air-Conditioning and Refrigeration
Double-skin façade (DSF) systems have emerged as a promising architectural strategy for improving thermal performance by reducing heating and cooling loads while enhancing occupant comfort.
Junyoung Lee, Dongsu Kim, Jongho Yoon, Ducjin Oh, Myunghwan Oh, Minjae Shin   +5 more
doaj   +1 more source

A review on oil retention characteristics in evaporator and suction line of vapor compression system

International Journal of Air-Conditioning and Refrigeration
This paper discusses the oil retention characteristics in the evaporator and suction line in a vapor compression system. Oil retention in the components can lead to reduced compressor efficiency and potential breakdowns.
Yoonho Chae, Youngsoo Chang
doaj   +1 more source

Do ceiling fans in rooms help to reduce or disperse the transmission of breathing aerosols?

International Journal of Air-Conditioning and Refrigeration
The main focus of this study is the transmission of SARS-CoV-2 through virus-laden aerosols in enclosed spaces that utilize ceiling fans. The impact of an air circulation of ceiling fans on virus transmission is not clear.
Ata Nazari, Alireza Anvari, Saeed Hazrati Chakheirlou, Mohammadreza Abdoli Afnan   +3 more
doaj   +1 more source