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Analysis of stability of livestock building heating-ventilation control systems.

Author(s) : ZHANG Y., BARBER E. M., WOOD H. C.

Summary

A study was done of two temperature-humidity-control systems: a humidistat-controlled heater and thermostat-controlled second-stage fan (THC1) and a thermostat-controlled heater and humidistat-controlled second-stage fan (THC2). An upper temperature limit to deactivate the heater for THC1 control should be devised; otherwise instability may occur when the weather is both warm and wet. A lower temperature limit to deactivate the second-stage fan for THC2 should be devised; otherwise instability may occur when the weather is cold.

Details

  • Original title: Analysis of stability of livestock building heating-ventilation control systems.
  • Record ID : 1994-3792
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1993
  • Document available for consultation in the library of the IIR headquarters only.

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