Uhot = 100.0; % m/sec Ucool = 150.0; % m/sec Thot = 2200; % Kelvin Tcool = 800; % Kelvin kg = 0.1; % Gas thermal diffusion coefficient in W/(m Kelvin) kw = 26.0; % Wall thermal diffusion coefficient in W/(m Kelvin) L = 0.3000; % Axial spacing between liner cooling holes in meters tw = 0.0015; % Thickness of liner wall in meters h = 0.0030; % Height of liner cooling hole entrance in meters