Results 41 to 50 of about 6,370 (51)

Energy-efficient refrigeration cycle strategies for capacity improvement and humidity control in VRF systems

International Journal of Air-Conditioning and Refrigeration
The growing demand for energy-efficient and environmentally sustainable HVAC solutions in residential buildings has driven the adoption of Variable Refrigerant Flow (VRF) systems.
Atul M. Elgandelwar
doaj   +1 more source

A study on the advancement of building energy simulations: Utilizing ChatGPT to enhance occupancy rate predictions and sustainability outcomes

International Journal of Air-Conditioning and Refrigeration
Various countries around the world are implementing a system to evaluate and certify the energy efficiency of buildings. Energy simulation plays an essential role in the process of evaluating and optimizing the energy performance of buildings ...
Jae-Woo Lee, Kyung-Soon Park, Yong-Joon Jun, Seon-Hye Eom   +3 more
doaj   +1 more source

Improving ice plant efficiency with Al2O3 nanoparticles and evaporative cooling techniques

International Journal of Air-Conditioning and Refrigeration
This study focuses on reducing energy consumption in vapor compression refrigeration-based ice plants by incorporating nanoparticle in secondary refrigerants and evaporative cooling technique.
Nitin S. Aher, Umesh Gurnani, Laxmikant S. Dhamande, Rakhi Bornare, Anurag Hamilton   +4 more
doaj   +1 more source

Performance comparison of a standing-wave thermoacoustic engine with different resonator shapes with air working gas

International Journal of Air-Conditioning and Refrigeration
The resonator is one of the key components of thermoacoustic machines and the choice of its geometry is of course of crucial importance, as it determines the way the machine operates.
Zahra Bouramdane, Abdellah Bah
doaj   +1 more source

Comprehensive evaluation on a combined refrigeration system of producing dry ice storage cold using fluctuating liquefied natural gas cold energy

International Journal of Air-Conditioning and Refrigeration
In view of the fluctuations in the LNG regasification rate caused by the use of NG, in order to effectively utilize the unstable LNG cold energy, a combined refrigeration system utilizing the unstable LNG cold energy for producing dry ice storage cold is
Jinghong Ning, Zhicheng Ma, Qingyu Zhang, Nuanhou Wang, Xin Yang   +4 more
doaj   +1 more source

Experimental investigation of air velocity, water flow rate, and staging of cooling pad on the performance of direct evaporative coolers

International Journal of Air-Conditioning and Refrigeration
In hot and dry climates, improving air cooling efficiency is vital for reducing energy consumption and enhancing indoor comfort. An evaporative cooling system utilizes water evaporation to cool air effectively. This study experimentally analyzes a direct
Tazebew Dires Kassie, Yaregal Eneyew Bizuneh, Amare Merfo Amsal   +2 more
doaj   +1 more source

Exploring the influence of air fractions on the performance of a vapor compression refrigeration system: an energy, exergy, and environmental analysis

International Journal of Air-Conditioning and Refrigeration
The ingress of air into the vapor compression refrigeration system is a frequent occurrence, typically occurring during installation, maintenance, or charging.
Hayder Mohsin Ali, Saif Ali Kadhim, Karrar A. Hammoodi, Ali M. Ashour, Ahmed M. Hassan, Mohammed Azeez Alomari, Ali Habeeb Askar   +6 more
doaj   +1 more source

Energy, exergy, and environmental analysis of five low-GWP refrigerants considered as alternatives to R410A for air conditioning systems

International Journal of Air-Conditioning and Refrigeration
The sustainability concern of high Global Warming Potential (GWP) refrigerants like R410A has spurred universal efforts in searching for low-GWP replacements in vapor-compression air conditioning systems.
Ali M. Ashour, Hayder Mohsin Ali, Saif Ali Kadhim, Karrar A. Hammoodi, Farhan Lafta Rashid, Ravishankar Sathyamurthy, Abdallah Bouabidi   +6 more
doaj   +1 more source

Experimental analysis on two stage scroll compressor using R32 refrigerant with and without vapour injection in heat pump

International Journal of Air-Conditioning and Refrigeration
This research article presents an experimental investigation of a two-stage scroll compressor using R32 refrigerant, focusing on the effects of vapor injection in heat pump applications.
Arunkumar Munimathan, K. Senthil Kumar, R. Vasanthi, Anwar Khan, Sameer Algburi, Yohanis Dabesa Jelila, Salah J. Mohammed, Ali Majdi   +7 more
doaj   +1 more source

Heat and mass transfer of a cooling coil in mixed convection mode: a computational analysis

International Journal of Air-Conditioning and Refrigeration
This study numerically investigated heat and mass transfer from a cooling coil in a mixed convection regime, which is particularly relevant to dehumidification processes in HVAC systems.
Phan Hoai Van, Nguyen Minh Phu, Nguyen Thi Tam Thanh   +2 more
doaj   +1 more source