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Heat Transfer Correlation for Anti-icing Systems

2002; American Institute of Aeronautics and Astronautics; Volume: 39; Issue: 1 Linguagem: Inglês

10.2514/2.2896

1533-3868

Jim Brown, Srinivasan Raghunathan, John Watterson, A. J. Linton, D. Riordon,

Heat Transfer and Optimization

Nomenclature Aimp = total area of jet impingement a;b;c = constants C = constant Cp = specie c heat capacity of air Cx = distance between the holes d = hole diameter G = mass e ow per unit area of impingement h = heat transfer coefe cient N = average heat transfer coefe cient, q=Aimp.Tpiccolo i N Tlipskin) L = length of nozzle N = number of holes Nu = local Nusselt number Nu = average Nusselt number Pr = Prandtl number q = heat transfer from impinging air, w £Cp £.Tpiccolo i N Texhaust/£3600 Re = Reynolds number based on hole diameter, .w=Nholes/£.d=Aholeπ/ ReG = Reynolds number based on impingement area, 4Gd=oπ T = temperature N T = average temperature w = mass e ow rate Zn = perpendicular distance from hole to lipskin µ = jet impingement angle π = dynamic Viscosity