Thermal contact conductance of nominaly flat surfaces


Yuncu H.

HEAT AND MASS TRANSFER, cilt.43, sa.1, ss.1-5, 2006 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 43 Konu: 1
  • Basım Tarihi: 2006
  • Doi Numarası: 10.1007/s00231-006-0087-9
  • Dergi Adı: HEAT AND MASS TRANSFER
  • Sayfa Sayıları: ss.1-5

Özet

The variation of thermal conductance of contact has been investigated as a function of apparent contact pressure experimentally. Experimental data has been obtained for steel, brass, copper and aluminum test pieces having different surface roughness over a wide range of contact pressures. Experimental results are compared with the theoretical predictions of an existing theory. Comparison revealed good agreement of trend with the experimental data, however, numerical values vary widely. Theory can predict the experimental results within an over-all error of less than 35%.