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VFD offers improved control of variable speed fans

2018-10-31 01:00:00| ThePigSite - Industry News

Most power ventilated livestock facilities rely on some method of control input to reduce the amount of air exhausted during colder weather. The farm operator calculates the number of animals and their weight to determine minimum ventilation rates expressed as cubic feet per minute or cfm.

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Time required to eliminate PRRSV from breeding herds is highly variable

2018-10-09 11:00:00| National Hog Farmer

The better we understand the interaction between these pathogens, our management systems and the role of farm personnel the higher the probability of drawing conclusions for successful interventions.

Tags: time required highly variable

 
 

Variable Refrigerant Flow: A Versatile HVAC Solution for K-12 Educational Facilities

2018-06-01 09:27:10| American School & University

Sponsored by Mitsubishi Electric

Tags: solution flow facilities educational

 

2019 Nissan Altima features VC-Turbo variable compression ratio engine, AWD, ProPILOT Assist

2018-03-29 09:57:03| Green Car Congress

Tags: features engine assist ratio

 

U Waterloo team develops novel variable valve actuation system; 58% less energy use than cam-driven valvetrain

2018-03-23 19:56:47| Green Car Congress

Tags: use than system team

 

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