Results 31 to 40 of about 1,974 (165)

The Use of Natural Refrigerants in Refrigeration and Air Conditioning Systems: A Review

IOP Conference Series: Materials Science and Engineering, 2018
The refrigeration and air-conditioning sector is now undergoing a crucial phase where all the existing conventional refrigerants are being permitted to be neither produced nor consumed. For a better future, there is an immediate demand to look for clean refrigerants which are eco-friendly.
Madhu Sruthi Emani, Bijan Kumar Mandal
openaire   +1 more source

Comparative Study on Coolbox/Waterloop and Natural Refrigerants Solutions for Commercial Refrigeration

KnE Engineering, 2020
This paper presents some natural and artificial solutions for reducing the use of HFCs in commercial refrigeration systems to limit greenhouse gas (GHG) emissions to the atmosphere. Additionally, the case study of a medium size supermarket is addressed.
Mário Rui Ribeiro de Almeida, Cláudia S.S.L. Casaca   +1 more
openaire   +2 more sources

Residential San Francisco Bay area air conditioners leak less refrigerant than expected

Environmental Research Letters
Building electrification, rising living standards, and increasing temperatures are all driving adoption of air conditioners and heat pumps. Many commonly used refrigerants, such as hydrofluorocarbons, are potent greenhouse gasses when they leak and ...
Yannai Kashtan, Drew R Michanowicz, Sergey Leskin, Seth B C Shonkoff, Robert B Jackson   +4 more
doaj   +1 more source

Single-Solution-Based Vortex Search Strategy for Optimal Design of Offshore and Onshore Natural Gas Liquefaction Processes

Energies, 2020
Propane-Precooled Mixed Refrigerant (C3MR) and Single Mixed Refrigerant (SMR) processes are considered as optimal choices for onshore and offshore natural gas liquefaction, respectively.
Muhammad Abdul Qyyum, Muhammad Yasin, Alam Nawaz, Tianbiao He, Wahid Ali, Junaid Haider, Kinza Qadeer, Abdul-Sattar Nizami, Konstantinos Moustakas, Moonyong Lee   +9 more
doaj   +1 more source

Increasing the COP of a refrigeration cycle in natural gas liquefaction process using refrigerant blends of Propane-NH3, Propane-SO2 and Propane-CO2

Heliyon, 2020
This paper investigates the feasibility of using inexpensive techniques to enhance the coefficient of performance (COP) of the refrigeration cycle used in the liquefaction of natural gas.
W.I. Mazyan, A. Ahmadi, H. Ahmed, M. Hoorfar   +3 more
doaj   +1 more source

Research on a Cooling Module of Electronic Control Box of Variable Frequency Air Conditioning

Zhileng xuebao, 2020
In this paper, a refrigerant heat sink for the electronic control system of an inverter air conditioner is designed according to the characteristics of an inverter heat pump unit and the principle of refrigeration cycle.
Mi Yuehua, Huo Guotao, Liu Yuhui
doaj  

A Comprehensive Assessment of the Refrigerant Charging Amount on the Global Performance of a Transcritical CO₂-Based Bus Air Conditioning and Heat Pump System

Energies, 2023
To mitigate the contemporary environmental challenges and to respect the regulations on the progressive ban of hydrofluorocarbons (HFC), natural fluid CO2 was selected as an ideal refrigerant alternative in the transportation domain.
Yulong Song, Hongsheng Xie, Mengying Yang, Xiangyu Wei, Feng Cao, Xiang Yin   +5 more
doaj   +1 more source

Information sheets on natural refrigerants

, 2014
This set of information sheets is an updated version of “Information sheets on natural refrigerants” published by the Nordic Chemicals Group in 2008.
Haukås, Hans T., Pachai, Alexander Cohr
openaire   +3 more sources

Performance of a Small-sized Auto-cascade Refrigerator with a Fractionation Heat Exchanger

Zhileng xuebao, 2015
A fractionation heat exchanger was employed to improve the separation efficiency of CO2 and propane in the small-sized auto-cascade refrigeration cycle.
Zhang Li, Xu Shiming, Du Ping, Yang Chunguang, Gao Hongyan, Shu Weihua   +5 more
doaj  

Experimental Investigation of R744 Ejector Efficiency

Zhileng xuebao, 2016
The performance of a new ejector is investigated experimentally in this paper. A range of different test points is tested in order to give an overall view of the ejector performance.
Zhang Jinrui, Wu Jingyi, EIKEVIK Trygve Magne   +2 more
doaj   +2 more sources