by National Aeronautics and Space Administration, Scientific and Technical Information Branch, For sale by the National Technical Information Service] in Washington, D.C, [Springfield, Va .
Written in English
|Statement||John M. Seiner|
|Series||NASA technical paper -- 2134|
|Contributions||United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Langley Research Center|
|The Physical Object|
|Pagination||54 p. :|
|Number of Pages||54|
Repeated measurements have shown that at mean velocities U > m/s, gauge temperature T w , the heat losses Q fr.c, Q r, and Q can be ignored, the more so if the gauge is individually calibrated. Q fr.c depends on the heat transfer coefficient α, the surface area A, the angle β subtended by the velocity vector direction and the. An anemometer for a study of wind gusts. ([Ann Arbor], ), by Robert Henry Sherlock and Melville Bigham Stout (page images at HathiTrust) The wedge hot-film anemometer in supersonic flow / (Washington, D.C. National. An anemometer is a device used for measuring wind speed and is also a common weather station instrument. The term is derived from the Greek word anemos, which means wind, and is used to describe any wind speed instrument used in first known description of an anemometer was given by Leon Battista Alberti in MTP - Hot Wire Thermo-Anemometer with Air Flow (product video presentation) - Duration: Digital Measurement Metrology, a Trescal Company views
Hot wire and hot film sensors are used for measurements of fluctuations in the wind. Such anemometers are in competition with both mechanical and sonic anemometers. At least some of the mechanical sensors are more stable in calibration, and less by: A hot film anemometer for the Martian atmosphere, described by Dominguez et al in Ref. , as part of the Rover Environmental Monitoring System (REMS), was embarked on the Mars Science. 2. Hot-Film Sensors. The hot-film sensor is essentially a conducting film on a ceramic substrate. The sensor shown in Figure 2 is a quartz rod with a platinum film on the surface. Gold plating on the ends of the rod isolates the sensitive area and provides a heavy metal . Hot-Film Constant Voltage Anemometer. The multi-channel Hot-Film Constant Voltage Anemometer (HF-CVA) was developed specifically for making simultaneous shear stress measurements using hot-film with the HW-CVA, the HF-CVA eliminates problems associated with the use of conventional anemometry, i.e. constant current anemometer (CCA) and constant temperature anemometer (CTA), .
Supersonic diffusers. See also what's at your library, or elsewhere.. Broader term: Aerodynamics, Supersonic; Filed under: Supersonic diffusers Performance of a short annular dump diffuser using suction-stabilized vortices at inlet Mach numbers to / (Washington: National Aeronautics and Space Administration, Scientific and Technical Information Office ; Springfield, Va. A wide variety of hot film anemometer options are available to you, There are 17 suppliers who sells hot film anemometer on , mainly located in Asia. The top countries of supplier is China, from which the percentage of hot film anemometer supply is % respectively. John M Seiner has written: 'The wedge hot-film anemometer in supersonic flow' -- subject(s): Aerodynamics, Supersonic, Anemometer, Base flow (Aerodynamics), Film . Air Velocity Measurement with Hot-Film Anemometers Operation Principle The E+E air velocity measuring devices employ E+E sensors manufactured in state-of-the-art thin film technology and are based on the thermal anemometric measurement principle. An E+E air velocity sensor consists of two resistors deposited on a thin glass Size: KB.