Flight Vehicle Thermal Testing with Infrared LampsNASA, Scientific and Technical Information Program, 1992 - 31 pages |
From inside the book
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Page 1
... calculating power requirements . The applica- tions of IR quartz lamp heating to the X - 15 , Space Shuttle , and YF - 12 flight programs are also discussed . INFRARED HEATER BASICS Quartz Lamps The quartz lamps commonly used for IR ...
... calculating power requirements . The applica- tions of IR quartz lamp heating to the X - 15 , Space Shuttle , and YF - 12 flight programs are also discussed . INFRARED HEATER BASICS Quartz Lamps The quartz lamps commonly used for IR ...
Page 2
... calculating the available heat flux for an IR radiation heater can be written as where imax ġA = ġmax ( ġro / İT ) ... calculations are not free from errors , since it is necessary to make several assumptions to perform the calculations ...
... calculating the available heat flux for an IR radiation heater can be written as where imax ġA = ġmax ( ġro / İT ) ... calculations are not free from errors , since it is necessary to make several assumptions to perform the calculations ...
Page 3
... calculations were made for a specimen emissivity of 0.85 . At very high temperatures ( 3500 ° F to 3800 ° F ) , the slope of the curve is such that the heater area is quite small . The quartz lamps are generally grouped or electrically ...
... calculations were made for a specimen emissivity of 0.85 . At very high temperatures ( 3500 ° F to 3800 ° F ) , the slope of the curve is such that the heater area is quite small . The quartz lamps are generally grouped or electrically ...
Page 5
... calculating the amount of growth from the co- efficient of thermal expansion for the material . A total of 444 panels and 15,870 quartz lamps were used in this heater system , excluding the internal nacelle heater , which is dis- cussed ...
... calculating the amount of growth from the co- efficient of thermal expansion for the material . A total of 444 panels and 15,870 quartz lamps were used in this heater system , excluding the internal nacelle heater , which is dis- cussed ...
Common terms and phrases
advanced high-speed flight aerodynamic heating aircraft Btu/ft²-sec calculating Ceramic reflector convection cooled polished aluminum double rated voltage elevon end effects end reflector F at SS F/sec Figure Flight Vehicle Thermal heat flux loss heat sink heater area heating and loading heating tests high temperatures high-speed flight vehicles Hot Structures Test Hydraulic actuators INFRARED HEATER Infrared Lamps infrared quartz lamps internal nacelle heater Lamp filament temperature Load cells loading test locations Mach maximum power midspan monorail polished aluminum reflectors power required Q rad quartz heater system quartz lamp heating radiant energy radiant heat flux radiation ratio of radiant reflector Fig Reflector Quartz lamp reradiate retracted shown in Fig Shuttle wing-clevon Space Shuttle specimen temperature strain gage superalloy surface emissivity test article test specimen Testing With Infrared thermal expansion thermocouples V-grooved wheels Vehicle Thermal Testing water cooled polished water cooled reflector wing box Wing Structure YF-12 airplane YF-12 flight programs zones