Testing BREDEM 8 against measured consumption data and against simulation models.

BREDEM 8 has been tested against measured consumption data and against simulation models. The testing has addressed both the annual and monthly energy use predictions and the predictions relating to important design issues.

Testing against measured consumption data of the highest quality has confirmed that the model produces overall predictions which are reliable. Testing against simulation models also demonstrates that BREDEM 8 produces overall predictions which are very comparable to those of the simulation models.

Numerical prediction of buoyant air flow in livestock buildings.

In modem livestock buildings air distribution and air quality are important parameters to animal welfare and to the health of full-time employees in animal production. Traditional methods for calculating air distribution in farm buildings are mainly based on formulas for air jets which do not include the effect of room geometry, obstacles or heat sources. This paper describes the use of Computational Fluid Dynamics to predict air flow patterns and temperature distribution in a ventilated space.

A turbulent assessment.

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