National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Geothermal ventilation provides a better alternative in securing the energy crises. Geothermal energy is a heat contained within the earth that generates geological phenomena on a planetary scale. It is not only available in the form of volcanoes, hot water stream but, whole earth acts as a source of geothermal energy for 365 days and all season of year. There are three basic components of geothermal heating pump system (GHPS); ground loop, geothermal heat pump and distribution system. Different types of GHPS are used from a simple open loop system to close loop system as per the need and sources available. GHPS works on the heat transfer mechanism not on the heat generation. It is just transportation of heat of earth to the room environment. Geothermal ventilation system is an eco-friendly system; it reduces emission of the different types of animal house gases like ammonia, hydrogen sulphide, sulphur dioxide and greenhouse gases. Geothermal ventilation reduces energy requirement for animal house up to 28-70%. It has no any type of deleterious effect found on animal growth and their body weight gain, health status of animal. GHPS can be modified and use for multipurpose for example in Oregon zoo has develop multilayer ground loop for elephant and bear. Relative operating cost of geothermal heat pump system, coal fired system and air conditioning system was found 0.94, 1.00 and 0.98, respectively. In many cases geothermal waters could be used profitably in a combination of animal husbandry and geothermal greenhouses. Geothermal ventilation system is efficient, safe, flexible source of renewable energy and it may be considered as best alternative to create favourable microclimatic condition in animal house during adverse climate.
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