Journal of Refrigeration, Air conditioning, Heating and ventilation
Volume 9, Issue 2 (2022)
Published
Table of contents
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CO2 SAFETY ISSUES AND ITS USE AS A NATURAL REFRIGERANT IN REFRIGERATION
Abstract: The atmosphere contains about 0.04% carbon dioxide, which is a naturally occurring chemical (400 ppm). The majority of living things make it while breathing, and plants absorb it. It is also created through a variety of industrial operations, most notably the burning of fossil fuels like coal, gas, or oil to produce electricity or power vehicles. In the modern era, CO2 refrigeration and heat pumping technologies are acknowledged as practical …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 1–5 Read article
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Application of Refrigerator and Heat Pump Operated by Solar Photovoltaic Modules for Room Air Conditioning in Kolkata City
Abstract: India is a hot climatic country there is an urgent need for refrigeration mainly in May (the hottest month),March, and September (moderate hot), and also a heating requirement for cold weather (January). The present work deals with the air refrigeration in Kolkata city of a room maintained at 15oC in May(hottestmonth)(with evaporator temperature (12oC), condenser temperature (38oC)), at 20oC in March (with evaporator temperature (18oC), condenser temperature (36oC)) ,at 22oC …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 11–23 Read article
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THE BEST PRACTICES FOR SOLAR ENERGY IN SUSTAINABLE DEVELOPMENT
Abstract: Abstract—The Sunlight's solar panels are a free, environmentally friendly, and endless source of renewable energy. All the energy required for a year can be obtained from the solar energy that reaches the earth every hour. In the modern world, we needed electricity every hour. Oil and coal are traditional energy sources, but they have their limitations. This will be recognized as a critical component in viable power source assets in …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 24–28 Read article
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Evaporative Cooling By Using Different Porous Materials
Abstract: The method of evaporative cooling involves raising the air temperature by causing water vapour in an airstream to evaporate. Waterneeds the latent heat of vaporisation to evaporate, and this heat is produced by ambient air and a drop in air temperature. A porousmedium is necessary for both direct and indirect evaporative cooling in order to allow heat and mass transfer between the medium'swater and the air moving through it, or …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 29–37 Read article
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Coils used for cooling and dehumidifying include integrated water-cooled transformers that transfer heat and mass simultaneously
Abstract: For use in middle-frequency induction heating, a single-turn work coil and integrated water-cooled transformer are proposed. The hollow, water-cooled secondary, which is an extension of the work coil, contains the transformer's primary.. The use of liquid cooling for the work coil, coaxial transformer, and switching components is advantageousThe transformer's coaxial structure, which enhances coupling between the converter and the workpiece, allows for low leakage inductance.The difference in current distributions is …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 6–10 Read article