caa a22 4500 465756751 CHVBK 20180323111849.0 cr unu---uuuuu 170327e19900401xx s 000 0 eng 10.1007/BF00382009 doi (NATIONALLICENCE)springer-10.1007/BF00382009 Radiation interactions in transient energy transfer in fully developed laminar flows [Elektronische Daten] [S. Tiwari, D. Singh] Analysis and numerical procedures are presented to investigate the transient radiative interactions of nongray absorbing-emitting species in laminar fully-developed flows between two parallel black plates. The particular species considered are OH, CO, CO2, and H2O and different mixtures of these species. Transient and steady-state results are obtained for the temperature distribution and bulk temperature for different plate spacings, wall temperatures, and pressures. Results, in general, indicate that the rate of radiative heating can be quite high during earlier times. This information is useful in designing thermal protection systems for transient operations. Kluwer Academic Publishers, 1990 Transient Radiation nationallicence Radiative Interaction in Laminar Flows nationallicence Nongray Radiation in Gaseous Mixture nationallicence A : band absorptance = A(u, β), cm−1 nationallicence A 0 : band width parameter, cm−1 nationallicence C 0 : correlation parameter, atm−1-cm−1 nationallicence C p : specific heat at constant pressure, kJ/kg-K = erg/gm-K nationallicence e ω : Planck's function, (W-cm−2)/cm−1 nationallicence e ω0 : Planck's function evaluated at wave number ω 0 nationallicence e 1, e 2 : emissive power of surfaces with temperatures T 1 and T 2, W-cm−2 nationallicence H 1 i , H 1 : gas property for the large path length limit nationallicence k : thermal conductivity, erg/cm-s-K nationallicence K 1 : gas property for the optically thin limit nationallicence M : large path length parameter, nondimensional nationallicence N : optically thin parameter, nondimensional nationallicence P : pressure, atm nationallicence q R : total radiative heat flux, W/cm2 nationallicence q Rw : spectral radiation heat flux, (W-cm−2)/cm−1 nationallicence q w : wall het flux, W/cm2 nationallicence S : integrated intensity of a wide band, atm−1-cm2 nationallicence t : time, s nationallicence T : temperature, K nationallicence T 1 : wall temperature, K nationallicence T 1=T w nationallicence T b : bulk temperature, K nationallicence u : nondimensional coordinate = SPy/A 0 nationallicence u 0 : nondimensional path length = SPL/A 0 nationallicence y : transverse coordinate, cm nationallicence β : line structures parameter nationallicence ϑ : nondimensional temperature nationallicence ϑ b : dimensionless bulk temperature nationallicence κ ω : spectral absorption coefficient, cm−1 nationallicence ξ : nondimensional coordinate = y/L=u/u 0 nationallicence ρ : density, kg/m3 nationallicence τ : nondimensional time nationallicence ω : wave number, cm−1 nationallicence ω 0 : wave number at the band center, cm−1 nationallicence Tiwari S. Department of Mechanical Engineering and Mechanics, Old Dominion University, 23529-0247, Norfolk, Virginia, USA aut Singh D. Department of Mechanical Engineering and Mechanics, Old Dominion University, 23529-0247, Norfolk, Virginia, USA aut Applied Scientific Research Kluwer Academic Publishers 47/2(1990-04-01), 151-176 0003-6994 47:2<151 1990 47 10494 https://doi.org/10.1007/BF00382009 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00382009 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Tiwari S. Department of Mechanical Engineering and Mechanics, Old Dominion University, 23529-0247, Norfolk, Virginia, USA aut NATIONALLICENCE 700 1- Singh D. Department of Mechanical Engineering and Mechanics, Old Dominion University, 23529-0247, Norfolk, Virginia, USA aut NATIONALLICENCE 773 0- Applied Scientific Research Kluwer Academic Publishers 47/2(1990-04-01), 151-176 0003-6994 47:2<151 1990 47 10494 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer