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100   $a20070521d2007      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCritical frequency estimates for thermowells covered under ASME PTC 19.3 /$fDavid S. Bartran, Dean C. Ripple
210  1$a[Gaithersburg, MD] :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d[2007].
215   $a1 online resource (7 pages) 
225 1 $aNISTIR ;$v7407
300   $a"March 2007."
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from page [1], viewed April 5, 2007.
320   $aIncludes bibliographical references (page 7).
330   $aThe ASME Performance Test Code, PTC 19.3, establishes the velocity ratings of thermowells in terms of a simplified resonant frequency estimate. The theoretical basis for this is examined and compared with discrete element methods. It is found that the code calculation fails to guarantee conservative velocity ratings for shorter thermowells. The implications of this finding and possible remedies are discussed.
606   $aTemperature measuring instruments
606   $aTemperature measuring instruments$2fast
615  0$aTemperature measuring instruments.
615  7$aTemperature measuring instruments.
700   $aBartran$b David S$01403664
701   $aRipple$b Dean C$01390740
712 02$aChemical Science and Technology Laboratory (U.S.)
801  0$bNBS
801  1$bNBS
801  2$bNBS
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCQ
906   $aBOOK
912   $a9910709935403321
996   $aCritical frequency estimates for thermowells covered under ASME PTC 19.3$93476783
997   $aUNINA