Experimental And Theoretical Study Of Heat Conduction For Air Up To 5000 K

Download or read book Experimental and Theoretical Study of Heat Conduction for Air Up to 5000 K written by Tzy-Cheng Peng and published by BiblioGov. This book was released on 2013-08 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theoretical value of the integral of thermal conductivity is compared with the experimental values from shock-tube measurements. The particular case considered is the one-dimensional nonsteady flow of heat through air at constant pressure. This approach has been previously described in NASA TR R-27. experiment was uncertain because of the large scatter in the experimental data. In this paper, an attempt is made to improve the correlation by use of a more refined calculation of the integral of thermal conductivity, and by use of improved experimental techniques and instrumentation. As a result of these changes, a much closer correlation is shown between the experimental and theoretical heat-flux potentials. This indicates that the predicted values of the coefficient of thermal conductivity for high-temperature air may be suitably accurate for many engineering needs, up to the limits of the test (4600 K).