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82 articles for “Refrigeration effect”
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Solar Assisted Half Effect Refrigeration System
Abstract: Solar assisted half effect refrigeration system has been studied comprehensively. The effect of various parameters on overall performance of the system has been done quantitatively. In addition to this, solar thermal calculations are performed and its contribution in saving energy is also assessed.
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 6, Issue 2, 2019 · pp. 27–31 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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Development of an Energy Free Refrigerator Using LPG as Refrigerant
Abstract: Supply of constant power is as yet not accessible in a few zones of the nation and the residential refrigerator devouring greater power. In this paper, a minimal effort cooler is created utilizing LPG as refrigerant. LPG is put away in barrel at high weight. As this pressurized LPG is gone through the slim container of little inner distance across, the weight of LPG is diminished because of development and …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 6, Issue 2, 2019 · pp. 22–26 Read article
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Analysis of Absorption System
Abstract: First law and second law analysis have been applied to different types of refrigeration systems which include vapor compression refrigeration system, desorber cycle and triple effect cycle. Quantitative analysis was applied and equations were solved in engineering equation solver. Energy and exergy equations were applied to each system and parametric analysis was applied to get results.
Published in Journal of Automobile Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 1–11 Read article
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Design and Performance Evaluation of A Refrigeration System Utilizing The Peltier Cooling Effect
Abstract: A domestic refrigerator with 5star rating and having capacity 180 Liters consumes 265 units per year. In India average cost of electricity consumption per unit for domestic usage up to 100 units is Rs 5.31per Unit and beyond 300 units it is Rs.8.95 and for industrial it may go beyond Rs 10.45/kWh. This scenario demands for alternative cooling technology that can replace totally VCR (vapour compression refrigeration) system. This thesis …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 · pp. 34–47 Read article
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Thermodynamic Analysis of Single Effect, Double Effect and Multi Effect LiBr/H2O Vapour Absorption Refrigeration Cycle
Abstract: Abstract Energy is most important parameter in any industry. If energy is not saved, it would go waste. Vapour absorption refrigeration system is the best solution for waste heat utilization. The vapour absorption cycle has low COP compared to vapour compression cycle. So, study of thermodynamic analysis on cycle is required. In this study, COP and heat required for different cycles is compared. The COP of single effect, double effect …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 4, Issue 1, 2017 · pp. 43–55 Read article
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Heat Transfer in Single Effect Solar Assisted LiBr-H2O Absorption Refrigeration Cycle
Abstract: This paper describes the heat transfer model of LiBr-H2O vapour absorption cooling system implemented in engineering equation solver (EES). The detailed first law analysis of the system is presented. Effects of operating temperature and pressure on the heat load in various components, coefficient of performance (COP), and circulation ratio of the system have been carried out. Impact of solution heat exchanger effectiveness on system performance is also studied. The study …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 2, 2016 · pp. 1–11 Read article
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Piezo-electrically driven Thermoacoustic Refrigerator
Abstract: Thermoacoustic refrigeration is an emerging field of technology. This technology uses sound waves to pump heat across a temperature gradient and the sound waves are produced using piezoelectric material. The main aim of this idea is to reduce the usage of harmful refrigerants which are great threat to the global warming. The study focuses technically on using the piezo-electric materials to get the desired refrigeration effect. Moreover, the added advantage …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 5, Issue 3, 2018 · pp. 43–47 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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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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Recent Advances to Compare the Performance of Domestic Refrigerator Using New Eco-friendly Refrigerants
Abstract: This paper presents the performance comparison of new eco-friendly refrigerants in domestic refrigerator with respect to energy and exergetic analysis. To make an alternative arrangement of R12 or R134a, and for comparing the performance of new refrigerants some factors and technologies are important which is required to be considered likes their thermodynamics properties, GWP, ODP, energy and exergy analysis, TEWI analysis. In the ongoing work many experimental investigations were made …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 3, 2021 · pp. 18–29 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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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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Solar Refrigeration using Peltier Module
Abstract: AbstractIn the ongoing year, vitality emergency and condition corruption because of the expanding CO2 emanation and ozone layer consumption has become the essentially worry to both created and creating nations. Sun based refrigeration utilizing Peltier module needn't bother with any sort of refrigerant and mechanical gadget like blower, prime mover and so on for its activity. Our venture uses the sun-oriented vitality for its activity. Sunlight based refrigeration utilizing Peltier …
Published in Journal of Instrumentation Technology & Innovations · Vol. 10, Issue 1, 2020 · pp. 30–34 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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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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Refrigeration System Performance and Energy Optimization in Food Preservation and Cold Chain Logistics
Abstract: A vital part of the food preservation sector, refrigeration guarantees the durability, security, and quality of perishable food items in the supply chain. The food cold chain, which encompasses the refrigeration systems used during storage, transportation, and distribution, is integral to maintaining food safety and minimizing waste. However, as the global demand for food increases and sustainability concerns rise, energy consumption in refrigeration systems presents a major challenge. Efficient refrigeration …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 1, 2025 · pp. 22–29 Read article
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Preserving Papaya Pulp with Potassium Metabisulfite: A Study on Prolonging Shelf Life
Abstract: Papaya is a highly perishable fruit with a shelf life of only 3 to 6 days under tropical conditions, leading to significant postharvest losses. This study aimed to preserve papaya pulp for subsequent use in product development .Pulp was extracted from “Indian Red Lady Variety” of papaya and treated with potassium metabisulphite (KMS) at concentrations of 500, 1000 and 1500 ppm. The treated pulp was stored at room and refrigerated …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 13, Issue 2, 2024 · pp. 06–14 Read article
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Thermoelectric Generator Plate-based EV Charging Solutions
Abstract: The International Institute of Refrigeration estimates that air conditioning and refrigeration use 15% of the world's electricity and contribute to the emission of CO2, HCFCs, and other harmful chemicals. Global warming is one of the many negative effects of using such refrigerants on our environment. The efficiency of the car is impacted by the increased fuel consumption for air conditioning. Thermoelectric air conditioning can be utilized to solve the emission …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 1–13 Read article