Abstract: | Results of an experimental investigation of an instrument for measuring high-temperature heat fluxes with a density up to 800 kW/m2 are presented.Notation qinc, Qinc incident heat flux density - A, , B, , x dimensionless parameters - Ta adiabatic combustion temperature of fuel - Hi instantaneous height of furnace chamber - H full height of furnace chamber - T f temperature of gases at the furnace outlet - T f increment in the temperature of gases at the furnace outlet - af emissivity of furnace - Tf temperature of flame - 0 Stefan—Boltzmann constant - T temperature on the heat pipe body - Q supplied power - Erad sensitivity of sensor - D hourly rate of fuel supplied to the boiler furnace - timeAcademic Scientific Complex A. V. Luikov Institute of Heat and Mass Transfer of the Academy of Sciences of Belarus, Minsk. I. I. Polzunov Central Boiler and Turbine Institute, St. Petersburg. Scientific and Technical Center Flame-Complex, Ust'-Ilimsk. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 64, No. 3, pp. 324–329, March, 1993 |