A model of heat flow in the sheep exposed to high levels of solar radiation

R. R. Vera, L. J. Koong, James Morris

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The fleece is an important component in thermoregulation of sheep exposed to high levels of solar radiation. A model written in CSMP has been developed which represents the flow of energy between the sheep and its environment. This model is based on a set of differential equations which describe the flux of heat between the components of the system - fleece tip, skin, body and environment. It requires as input parameters location, date, time of day, temperature, relative humidity, cloud cover, wind movement, animal weight and linear measurements and fleece length. At each integration interval incoming solar radiation and its components, the heat arising from the animal's metabolism and the heat exchange by long-wave radiation, convection, conduction and evaporative cooling are computed. Temperatures at the fleece tip, skin and body core are monitored.

Original languageEnglish (US)
Pages (from-to)214-218
Number of pages5
JournalComputer Programs in Biomedicine
Issue number4
StatePublished - Jan 1 1975


  • CSMP
  • solar radiation
  • Thermo-regulation of sheep

ASJC Scopus subject areas

  • Medicine (miscellaneous)


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