Accession Number : AD0272533

Title :   A METHOD OF DETERMING THE THERMOPHYSICAL CONSTANTS OF MATERIALS AT HIGH TEMPERATURES

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : TRET'YACHENKO,G.N. ; KRAVCHUK,L.V.

Report Date : 12 FEB 1962

Pagination or Media Count : 1

Abstract : D -<+ % (N4 D-272 532Div. 25 U (TISTP/MFA) OTS pric $1.60 Foreign T ECH. Div., Air Force Syst Command, Wright-Patterso Air Force Ba e, O io. A METHO FOR S UDYING HEAT TRAN FER IN I RMI GASDYN MIC PROC S , BY Y U. A. Polyakov and Ye. A. Mit'kina. 12 F b 62, 14p. incl. illus. 6 refs. (Trans. no. F D-TT-62-69 from A pap r presented a the Hea Tr nsf r Conference, June 5-10, 1961, at Minsk, USSR) Unclassified report DESCRIPTORS: (*Heat transfer, Thermal con uc tivity of *Gas flow, Shock waves in *Shock tub s, Plasma physics, Electric isc arges.) (*Trans ucers, Thin films Glass, Dielectrics, Plati u ) U SR Two principles for measuri g intermittent at flo s r d v loped: the calorimetric method, and a method of determining heat flows from the nonsteady-state temperature of the surface by using film transducers. In the experimental study of he t transfer under conditions of supersonic intermittent flo i a s ock ub , e pref rred method of deter ining heat flows a d surface mperature from t e nons ady-sta e temperature was by using a film transducer S INCE THE VALIDI Y OF ERMINI G EA FLOWS ACCORDING TO FORMULAS FOR A SEMI-BOUNDED BODY IS ASSOCIATED WITH THE INFLUENCE OF THE SURFACE MEASURING FILM OR PLATE ON HEAT TRA SFER T M HOD T EORY REDUCE TO SOLVING AN A LYZING THE PROBLE OF HEAT PROPAGATION THROUGH A SYSTEM OF TWO BODIES: A FILM SIMILAR TO AN INFINITE PLAT , AN BACKING SE I-BOUND D ROD, FOR A SHORT EXPERIMENT TIME. (Author)

Descriptors :   *CERMETS, *REFRACTORY MATERIALS, *THERMODYNAMICS, CYLINDRICAL BODIES, GALVANOMETERS, HEAT TRANSFER, HIGH TEMPERATURE, MEASUREMENT, OPTICAL INSTRUMENTS, PHYSICAL PROPERTIES, PYROMETERS, RINGS, THERMAL CONDUCTIVITY, THERMAL DIFFUSION, WEDGES

Distribution Statement : APPROVED FOR PUBLIC RELEASE