Results 71 to 80 of about 724 (168)

Energy influence of the internal heat exchangers placement in a cascade refrigeration plant. A theoretical and experimental analysis [PDF]

This paper deals with the analysis of the internal heat exchanger (IHX) impact on the energy performance of a cascade refrigeration plant (CRS) made up of two vapor compression cycles.
Andreu Nácher, Alejandro, Cabello López, Ramón, Larrondo, Rafael, Sánchez, Daniel   +3 more
core   +1 more source

Comparative study of Exergetic and Economic analysis of Multi-evaporator NH3 and NH3-CO2 CRS for a Seafood Processing Plant [PDF]

, 2021
In a seafood processing plant, refrigeration is a vital and energy intensive process. In India, NH3 is predominately used to cater to such refrigeration demands.
Bhattacharyya, Souvik, Dasgupta, Mani Sankar, Saini, Santosh Kumar, Widdel, Kristina N.   +3 more
core   +1 more source

Development of the natural working fluid‐based refrigeration system for domestic scale freeze‐dryer [PDF]

, 2022
In this work, the analysis of the refrigeration system designed for the FrostX 10 freeze‐dryer is presented. The main goal of this study was to experimentally investigate the reference R452a freeze‐dryer and prepare recommendations for a machine based on
Allymehr, Ehsan, Bantle, Michael, Bodys, Jakub, Ciesielska, Agnieszka, Claussen, Ingrid Camilla, Eikevik, Trygve Magne, Haida, Michal, Halski, Michal, Hoinka, Krzysztof, Melka, Bartlomiej, Milejski, Adam, Nowak, Andrzej J., Palacz, Michał, Piechnik, Edyta, Smolka, Jacek, Stebel, Michal, Tolstorebrov, Ignat   +16 more
core   +3 more sources

Klimaschutz durch verringerte Emissionen von fluorierten Treibhausgasen – das Beispiel innovativer Kälte- und Klimatechnik [PDF]

Dem Klimaschutz dient nicht nur die Reduzierung von CO2-Emissionen, sondern auch die Verringerung von anderen Treibhausgasen. Dieser Artikel stellt insbesondere auf die sog. fluorierten Gase ab und betrachtet einen Sektor, in dem diese Gase eine wichtige
Maximilian Sindram, Tilmann Rave
core  

Empirical modelling of a semihermetic reciprocating compressor for different CO2-based mixtures [PDF]

Mixing CO2 with other refrigerants gives carbon dioxide new thermophysical properties, such as higher critical temperature or lower working pressures. However, most of these new mixtures have not yet been evaluated experimentally, introducing a lack of ...
Cabello López, Ramón, Larrondo Sancho, Rafael, Sánchez García-Vacas, Daniel, Vidan-Falomir, Francisco   +3 more
core   +1 more source

Research to Optimize the Refrigerant Charge of the Natural Refrigerants R1270 and R290 in Heat-Pump Water Heaters and Their Performance

Zhileng xuebao
R1270 and R290 are alternative refrigerants with great potential. In this study, the influence of the refrigerant charge on the performance of the heat-pump water heater with R1270 and R290, the temperature distribution of the heat transfer fluids in the
Ju Fujun, Hou Lihao, Liu Qinglei, Wang Haoran, Xiao Chengjie, Fan Xiaowei   +5 more
doaj  

Analysis of the Drop-in Operation of a Refrigeration System by the Response Surface Methodology [PDF]

, 2016
The objective of this study is to evaluate the gains in a drop-in process of refrigerants in a basic refrigeration system using the Response Surface Methodology to optimization. A central composite design and analysis of variance are also used.
Antunes, Arthur Heleno Pontes, Bandarra Filho, Enio Pedone, Panato, Victor Hugo, Queiroz, Marcus Almeida, Souza, Luis Manoel Paiva   +4 more
core   +2 more sources

Energy, exergy and economical analysis of N2O based cascade refrigeration system for ultralow temperature cooling applications using different eco-friendly refrigerants in high temperature cycle

Results in Engineering
Implementing the Montreal Protocol has limited the use of conventional refrigerants and has led industries to find optimal or economical eco-friendly refrigerants to reduce environmental hazards.
Sachin Kumar, Pardeep Gahlot, Suresh Kumar   +2 more
doaj   +1 more source

A Study on the Simulation and Experiment of Evaporative Condensers in an R744 Air Conditioning System. [PDF]

Micromachines (Basel), 2023
Dang T, Nguyen H.
europepmc   +1 more source

Influence of sub-cooling on the energy performance of two ecofriendly R22 alternative refrigerants [PDF]

, 2015
In this study, the effects of sub-cooling on the various refrigeration cycle performance parameters using the alternative refrigerants (R432A and R433A) as working fluids were evaluated theoretically and compared with those obtained using the baseline ...
Bolaji, B
core   +2 more sources