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Hybrid Ventilation Management Technique for an Evaporative Cooling System in Poultry House

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This study aimed to present the ventilation and air condition management in a closed system of a poultry house in Thailand by installation of (1) Multi design and size of Inlet along the house's wall to solve problem of dead zone of air flow in the winter, (2) Additional Extra Pad at the wall of the house after the air active mixing volume in order to improve cooled air expansion at the tail of the house that cannot be controlled through roughly, (3) Small Pad Unit with air compressing fan at the house wall with appropriate angle and position to reduce dead zone of air flow in daytime of the summer in case that fresh air could not enter the inlet directly. The multi size inlet can increase average air velocity at the sidewall of the house from 1.46 m/s to 2.16 m/s. The extra pad lowered the temperature different values between the maximum temperature at the tail and minimum temperature at the head of the house from 1.8 to 1.1 °C. The small pad unit could raise average side wall air velocity from 1.5 to 2 m/s leading to lower level of ammonia accumulation of 0–2 ppm. All of improvement increased survival rate to 98% from 96%.
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Document Type: Research Article

Publication date: November 1, 2013

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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