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181 articles for “Refrigerant.”
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Dynamic Simulation of Load-Responsive Vapor Compression Refrigeration Systems
Abstract: Because of their dependable operation and effectiveness, vapor compression refrigeration systems, or vapor compression refrigeration (VCRS), have become popular in commercial, industrial, and residential settings. However, under different thermal loads, classic vapor compression refrigeration (VCR) systems may perform less well in that they are usually built for steady-state conditions and run at consistent speeds. In order to improve a load-responsive VCR system’s flexibility, energy efficiency, and response to changing cooling …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 32–37 Read article
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Are smart refrigerators the way of the future for storing food?
Abstract: Smart refrigerators are changing the way people store food by using new technologies including Wi-Fi, artificial intelligence (AI), internal cameras, voice control, and inventory management systems. This article looks at how smart refrigerators are changing in homes and businesses, looking at how they could make things easier, cut down on food waste, and save energy. New technologies including Wi-Fi, internal cameras, voice control, artificial intelligence (AI), and inventory management systems …
Published in International Journal of Advanced Control and System Engineering · Vol. 4, Issue 1, 2026 · pp. 11–12 Read article
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Thermo Analysis and Optimization Design of Industrial Vapor Compression Refrigeration Systems
Abstract: A thermodynamic analysis is performed on three different configurations of R134a two stage vapor compression refrigeration systems designed to equip cold store rooms. For economic and commercial reasons relating to agricultural actvities in southern Tuniens, two seasonal food products, dates and poultry, are selected for storage at different temperatures. Performance optimisation of the refrigeration systems is investigated under various operating conditions in order to choose the most suitable for the …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 · pp. 30–54 Read article
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Performance Enhancement of Vapour Compression Refrigeration System by Using Solar Thermoelectric Sub-Cooler
Abstract: Abstract Refrigeration plays a crucial role in many aspects of human life, due to energy crisis it is essential to improve the performance of a refrigerator for given inputs and need to satisfy the environmental challenges with respect to ozone depletion and global warming, R-134a as a refrigerant has a unique thermal characteristics such as low viscosity, good heat transfer coefficients, non-toxic, non-corrosive and environmental benefits in comparison with conventional …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 4, Issue 2, 2017 · pp. 27–37 Read article
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Performances of NH3-H2O Vapour Absorption Refrigeration Cycles
Abstract: To achieve vital enhancements on micro-scale to buildings, cooling, heating and power systems for residential and light-weight industrial buildings, absorption cooling technology gift a chance. Their resultant effects are effective, energy economical and economical recent developments in. This study thus contributes a vital information and methodology within the development, fabrication and application of an absorption icebox as a higher various to the normally used mechanical device refrigerators. 2 fluid gas …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 6, Issue 1, 2019 · pp. 9–13 Read article
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Refrigerant and the Environment- issues and planning for the future-A study
Abstract: Abstract However, the halogenated refrigerants have undesirable environmental impacts such as ozone layer depletion potential and global warming. Hence, it is necessary to go for alternative refrigerants to satisfy the objectives of the international protocols. Future international commitments on the protection of the environment, particularly for reducing greenhouse gas emissions and better protection of the ozone layer by use of other suitably refrigerants. In this context, the use of "natural" …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 5, Issue 2, 2018 · pp. 36–42 Read article
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Techno-economic Assessment of a Domestic Refrigerator with Aluminium-based Suction Line and Capillary Tube
Abstract: The present work reports the experimental performance evaluation of aluminum suction line-based domestic refrigerators. Furthermore, it compared domestic refrigerators with conventional copper capillary tubes and suction lines using R600a as a refrigerant. Performance parameters: energy consumption, ice-making time, and pull-down time was reduced significantly compared to conventional copper suction and capillary tube. Refrigerants having Ambient temperature for ice making test and pull down were initially set at 43°C and that …
Published in Journal of Polymer & Composites Read article
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Thermal analysis of sustainable composite material absorption refrigeration system for cold storage application
Abstract: Present study deals with thermal analysis of absorption refrigeration system (ARS) and generator-absorber heat exchanger (GAX) based absorption refrigeration system by using green composite like aqua-ammonia. Evaporator temperature is 0°C for cold storage application, condenser temperature is 50°C as per Indian weather condition, mass stream rate of strong solution through the pump is 1 kg/s, and effectiveness of solution heat exchanger and refrigerant heat exchanger is 0.7 considered for present …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 18–27 Read article
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Design of Evaporator and Condenser for Solar Adsorption Refrigeration System
Abstract: Solar adsorption refrigeration systems provide a promising alternative for sustainable cooling in regions with limited grid access and high solar availability because they can convert low-grade thermal energy into refrigeration without mechanical compression. The performance of such systems depends strongly on the thermal behavior of the evaporator and condenser, since these components govern the refrigerant evaporation rate, condensation effectiveness, and overall cycle stability. This paper presents focus on the design …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 2, 2026 · pp. 1–10 Read article
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Development and Performance Assessment of a Prototype Zeer-Pot Refrigerator
Abstract: AbstractThe energy deficient rural areas in several parts of the world are not yet fully electrified are devoid of facilities like refrigeration and thereby limiting the applicability of refrigeration and allied processes. Development of a refrigerator or refrigeration method that needs little to no electricity has been an interesting topic of concern for researchers all over the world and the various investigations among them has reported the effect of evaporative …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 41–45 Read article
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Structural Analysis of a Household Refrigerator by Autodesk Fusion 360
Abstract: The main objective of this paper is to analyse and discuss the stress distribution of a household refrigerator under a given load and decide whether the material of the model is suitable and feasible for household conditions or not. In this paper, static stress analysis is done on the tray of the household refrigerator. The geometric model used for analysis is created using Autodesk Fusion 360 and the analysis is …
Published in Trends in Machine design · Vol. 8, Issue 3, 2021 · pp. 32–36 Read article
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Performance Evaluation of Thermoacoustic Refrigeration System
Abstract: Today cooling technologies are going through a transformation phase. The advent of ozone layer depletion and global warming caused by the use of synthetic refrigerants has necessitated a search for alternative cooling technologies. Out of the several technologies which are emerging as alternatives, one technology that can provide cost effective refrigeration without using any of the environment degrading refrigerants is the thermoacoustic refrigeration system. Ideally, this device can be powered …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 1, 2014 · pp. 22–29 Read article
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Mathematical Model of a Silica Gel Water Adsorption Refrigeration System at Adsorption Equilibrium
Abstract: CFC (ChloroFluoroCarbon) and HCFC (HydroFluoroCarbon) refrigerants, which are used for vapour compression refrigeration cycles cause serious environment problems. So research is going on solar refrigeration (producing cooling effect using solar energy is a promising way to achieve sustainable development, since the energy used is free and not harmful for the environment) and also used for environment friendly refrigerants. In this paper, heat and mass transfer analysis of adsorption refrigeration system …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 2, 2014 · pp. 24–30 Read article
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Mathematical Study and Steady-State Modeling of Simple Vapour Adsorption Refrigeration System
Abstract: Abstract This paper discusses the mathematical formulation for various heats involved during different processes of a simple vapour adsorption refrigeration cycle having activated carbon and methanol as the active working pairs. This formulation is further used and a detailed analysis of the cycle’s performance is studied based on a steady-state model prepared on the FORTRAN77 platform compiler. The analysis includes effects of the input parameters of the cycle such as …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 3, 2016 · pp. 1–13 Read article
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Refrigeration and Air-conditioning Systems an Overview
Abstract: Refrigeration and air conditioning has become basic need of our life. It is essential in almost all industries. We need refrigeration and air conditioning systems in households in the form of domestic refrigerators and air conditioners. Being power consuming, development of energy efficient systems is the focus of recent research in this field, considering environmental issues. This paper gives an overview of development of refrigeration systems. Keywords: Air Conditioning, Refrigeration, …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 2, 2015 · pp. 1–4 Read article
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A Review on Cascade System Using Different Refrigerant Pair and on Freeze Drying
Abstract: This study is presented a cascade refrigeration system for different refrigerant pair for high temperature cycle(HTC) and low temperature cycle(LTC). Different pairs are R404-R23 , R744-R717 , R404-R22 etc for low and high temperature cycle and also review on freeze drying application that is performed using cascade refrigeration system. Comparing the moisture content , vitamin C content and other properties of different fruits before and after freeze drying. Various condition …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 36–39 Read article
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Study of Performance Characteristics of a Natural Refrigeration System [MD242]
Abstract: Natural refrigeration system utilizes solar energy and wind energy to develop the refrigeration effect in the required storage space. The system is constructed with completely natural materials leading to bio degradability, recyclability and eco friendliness. In this work, the performance characteristics of a natural refrigeration system are studied. It was observed that the system maintained the storage area at considerably lower temperature than that of the surroundings and it could …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 5, Issue 2, 2018 · pp. 1–3 Read article
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Sustainable Innovations in Vapor Compression Systems: A Review of Heat Recovery and Environmental Performance
Abstract: Vapor compression refrigeration systems are widely used in residential, commercial, and industrial sectors, contributing significantly to global energy consumption and greenhouse gas emissions. This review explores sustainable innovations in vapor compression systems, focusing on waste heat recovery techniques and their impact on environmental performance. Key advancements include the integration of heat exchangers, ejector systems, and hybrid configurations that enhance energy efficiency while reducing refrigerant load and emissions. With a focus …
Published in Journal of Thermal Engineering and Applications · Vol. 13, Issue 1, 2026 · pp. 16–21 Read article
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Designing and CFD Analysis of Table Top Refrigerator Hexagonal Coil Crossection
Abstract: In the Present study CFD analysis has been performed on evaporator unit. Tabletop refrigerators are the common house hold unit used in almost all houses. Evaporator and Condenser unit is the main functioning unit of refrigerator system used for the cooling applications. With the increase of modernization use of refrigerator system has rapidly increases due to the reason a lot of researches are prevailing on refrigerator systems. With the updating …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 34–51 Read article
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Evaluation of Coefficient of Performance of Water– Carrol Vapor Absorption Refrigeration System Using Artificial Neural Network approach
Abstract: Normal 0 false false false EN-US X-NONE X-NONE The aim of this work is to apply expert system methods, like artificial neural network (ANN), for evaluating the coefficient of performance (COP) of water-carrol (lithium bromide-ethylene glycol)-based vapor absorption refrigeration system. Theoretical performance analysis of vapor absorption refrigeration system is too complex since very tedious second-order mathematical differential equations are used. In order to simplify this complex process, artificial neural networks …
Published in Trends in Mechanical Engineering & Technology · Vol. 2, Issue 3, 2012 · pp. 29–37 Read article