PERIODIC AND TRANSIENT HEAT-FLOW THROUGH BUILDING SECTION

Periodic heat flow through building section is practically being used for air-conditioning applications. An effort has been made to combine the non-periodic transient heat flow due to instantaneous rise in outd oor temperature with periodic heat flow. The study becomes useful to p redict thermal performance of building section during heat wave in sum mer and snow fall in winter season. In order to solve nonperiodic heat flow problem, transcendental equation is required to be solved. Appro ximate values of unknown roots of transcendental equation for differen t ranges of Blot number have been given for reference. The solution ha s been combined alongwith the periodic heat flow. The response factor and temperature distribution in single and multilayered building secti on have also been determined.