Results 31 to 40 of about 295,883 (252)
Processes, 2023 A simple vapor-compression refrigeration system becomes ineffective and inefficient as it consumes a huge energy supply when operating between large temperature differences. Moreover, the recent Kigali amendment has raised a concern about phasing out some hydrofluorocarbon refrigerants due to their impact on the environment.
G. Shanmugasundar +3 more
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Performance Study Of Cascade Refrigeration System Using Alternative Refrigerants
, 2014 {"references": ["S. M. Zubair, \"Performance Evaluation of Vapour Compression System\", International Journal of Refrigeration, vol. 22, pp. 235-243, 1999.", "R. Cabello, J. Navarro, E. Torrella ,\" Simplified Steady-State Modelling of a Single Stage Vapour Compression Plant. Model Development and Validation\", Applied Thermal Engineering, vol. 25, pp.
Sachdeva, Gulshan +2 more
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Hittite Journal of Science and Engineering, 2023 Cascade refrigeration systems are preferred in applications where low temperature cooling is required, such as in some special industrial and laboratory applications.
Meltem Koşan
doaj +1 more source
Performance of cascade refrigeration with liquid refrigerant by-pass
Chinese Journal of Mechanical Engineering, 2007 To control refrigeration capacities of cascade refrigeration in high/low thermostat unit(HLTU),liquid refri- gerant by-pass is introduced.When the by-pass magnetic valve is close,refrigeration system is at its maximal capacity condi- tions;When the magnetic valve is open,refrigerant through evaporator decreases,which leads to the refrigeration capacity
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Simulation of an Ammonia-Carbon Dioxide Transcritical Cascade Refrigeration System [PDF]
This study aims to evaluate the viability of employing ammonia (R717), a naturally existing refrigerant, within a transcritical cascade refrigeration configuration.
Majdi, Hasan Shakir +3 more
core +1 more source
Thermodynamic Analysis of a Cascade Refrigeration System
Acta Physica Polonica A, 2016 There is a need for cooling by using the waste heat energy in food industry. Absorption cycles can be driven by waste thermal, geothermal, solar or industrial processes energies. In this study, cascade refrigeration system is thermodynamically modeled, and analyzed by using first law of thermodynamics, and exergy method.
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Review Of Cascade Refrigeration System With Different Refrigerant Pairs
, 2015 A Comparative assessment of a cascade refrigeration cycle with different refrigerant pair is presented in this paper. R744 is used in Low-temper ature (LT) cycle whereas R134a,R290,R717 and R404A (R125(44%)/R143a(52%) /R134a(4%)) are use d in the High-temperature (HT) cycle.
Mrs. J.S.Jadhav,, Ms. A.D.Apte
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Energy evaluation of drop-in replacements for R134a in cascade CO2/R134a refrigeration units
, 2018 The energy performance of CO2 standard booster systems is limited in countries with high ambient temperatures to replace R404A direct expansion architectures.
Makhnatch, Pavel, +2 more
core +1 more source
Advanced Functional Materials, EarlyView.Encapsulation of solid–liquid barocalorics (BC) within MOFs harnesses their colossal BC performance whilst allowing active control of BC properties through BC‐MOF interactions. ABSTRACT Barocaloric (BC) effects at liquid–vapor transitions in hydrofluorocarbons drive most commercial technologies used for heating and cooling in the heating, ventilation ...
Ming Zeng +8 more
wiley +1 more source
Modelling, 2022 More and more applications, such as natural gas liquefaction, LNG reliquefaction, whole body cryotherapy and cryopreservation, require cooling in the temperature range from 110 to 150 K.
Zbigniew Rogala, Adrian Kwiatkowski
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