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Type of publication: Straipsnis recenzuojamoje Lietuvos tarptautinės konferencijos medžiagoje / Article in peer-reviewed Lithuanian international conference proceedings (P1e)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Kavolėlis, Bronius
Title: Water vapour production in cowshed
Is part of: Proceedings of the international conference. , No. 12 (2007)
Extent: p. 139-142
Date: 2007
Abstract: In designing ventilation system and outside partitions for animal housing an important criterion is the amount of water vapour produced in the building. There is no data regarding water vapour emission in a room with temperature below zero. In addition, sophisticated methods are applied to measure emission. A simple method to establish water vapour emission in a cattle house under production conditions has been substantiated. Having made research in an uninsulated cowshed a regression equation (exponential) relating the flow of water vapour emission with the inside air temperature has been drawn. When temperature is minus 10 oC, specific intensity of water vapour emission (amount of water vapour produced by animals and the room per unit of total animal heat) is 0.054 g/kJ and at plus 10 oC it is 0.135 g/kJ. Having analysed the data of water vapour emission in cowsheds with temperatures above zero presented by other authors it can be stated that the regression equation drawn reflects the regularity of water vapour emission well
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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