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  1. Instruments and Experimental Techniques
  2. Instruments and Experimental Techniques : Volume 50
  3. Instruments and Experimental Techniques : Volume 50, Issue 3, May 2007
  4. An infrared gas microflowmeter
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Instruments and Experimental Techniques : Volume 60
Instruments and Experimental Techniques : Volume 59
Instruments and Experimental Techniques : Volume 58
Instruments and Experimental Techniques : Volume 57
Instruments and Experimental Techniques : Volume 56
Instruments and Experimental Techniques : Volume 55
Instruments and Experimental Techniques : Volume 54
Instruments and Experimental Techniques : Volume 53
Instruments and Experimental Techniques : Volume 52
Instruments and Experimental Techniques : Volume 51
Instruments and Experimental Techniques : Volume 50
Instruments and Experimental Techniques : Volume 50, Issue 6, November 2007
Instruments and Experimental Techniques : Volume 50, Issue 5, September 2007
Instruments and Experimental Techniques : Volume 50, Issue 4, July 2007
Instruments and Experimental Techniques : Volume 50, Issue 3, May 2007
Radiation detectors based on gas electron multipliers (Review)
A digital method for pulse-shape discrimination between neutrons and γ rays at a high counting rate and a low energy of detected radiation
Characteristics of the neutron field at the core center in the ИBB-2M water-moderated water-cooled reactor
Spatial resolution of the multistep avalanche chambers
Use of parallel channels in wideband signal recorders
A linearly variable high-voltage amplifier
Formation of a negative-polarity lightning current pulse using a magnetic explosion generator
Semiconductor formers of high-voltage pulses of nanosecond duration
A high-frequency semiconductor generator of high-voltage nanosecond pulses ( Instruments and Experimental Techniques , Volume 50 , Issue 3 )
A high-frequency semiconductor generator of high-voltage nanosecond pulses ( Instruments and Experimental Techniques , Volume 50 , Issue 3 )
A small triggered high-current vacuum switch
A simple method for measuring time-of-flight spectra of a gas-dynamic molecular beam
A probe diagnostics for high-speed flows of rarefied partially dissociated plasma
A three-channel polarointerferometer for diagnostics of magnetic fields in high-temperature plasma
Electric strength of a vacuum gap during breakdown in an inhomogeneous electric field for switching high-power pulses
The ARIX-03F mobile semiautomatic facility for measuring low concentrations of radioactive xenon isotopes in air and subsoil gas
A technique for measuring temperature and wind velocity in the ionosphere
An LED-based illuminator for microphotometric studies of cells
A pulse-type evaporator for ultrafast deposition of thin films in ultrahigh vacuum
The APΓO-2 technological facility for ion-beam-assisted deposition
A method for forming a single metal nanowire using track membrane templates
A technique for preparing samples of metal nanowires for electron and atomic-force microscopy
A scanner for an ultrahigh-vacuum low-temperature scanning tunneling microscope
An infrared gas microflowmeter
Instruments and Experimental Techniques : Volume 50, Issue 2, March 2007
Instruments and Experimental Techniques : Volume 50, Issue 1, February 2007
Instruments and Experimental Techniques : Volume 49
Instruments and Experimental Techniques : Volume 48
Instruments and Experimental Techniques : Volume 47
Instruments and Experimental Techniques : Volume 46
Instruments and Experimental Techniques : Volume 45
Instruments and Experimental Techniques : Volume 44
Instruments and Experimental Techniques : Volume 43

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An infrared gas microflowmeter

Content Provider Springer Nature Link
Author Rumyantsev, A. V. Shevchenko, P. R. Gus’kov, K. V.
Copyright Year 2007
Abstract A new principle of measuring a gas flow rate from the emittance of the surface of the heat-sensitive element heated to a high (∼1270 K) temperature is described. It is shown that the transfer to the high-temperature region ensures independence of gas flowmeter readings on the temperature of both the incoming gas flow and external environment and that the use of a two-chamber design ensures independence of flowmeter readings on its orientation. The flowmeter does not include control and amplifying circuits. The relative error is ∼0.5% and does not exceed ∼0.2% at the flow orificing. The sensitivity of the flowmeter varies from 1.9 to 1.0 V/(mg s$^{−1}$) in a 0-to 8-mg/s range. The time constant is not worse than ∼0.5–0.6 s at a 50% flow rate variation, and that of the orifice flowmeter is ∼0.2–0.3 s.
Ending Page 428
Page Count 5
Starting Page 424
File Format PDF
ISSN 00204412
e-ISSN 16083180
Journal Instruments and Experimental Techniques
Issue Number 3
Volume Number 50
Language English
Publisher Nauka/Interperiodica
Publisher Date 2007-01-01
Publisher Place Moscow
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Measurement Science, Instrumentation Physical Chemistry Electronic and Computer Engineering
Content Type Text
Resource Type Article
Subject Instrumentation
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