OCR Text |
Show JET ENTRAPMENT REGION TTTTTT I ~" tPRAXAIR ENTRAINMENT: d+ SCALING a Measured Entrapment Rates Agree Well with d+ Scaling Law " o W E E° is + 10 5 [ MPRAXAIR 0,. X (vol. eat) 0 6.51 / » 9.00 0 / D 11.B „ / A 14 4 _/ o 17.1 ° «/ e 19.4 v f* ' " 4 e/ e 24.5 °Y « 26.5 ^ Correlation 20 40 BO BD 11 0 J ENTRAINMENT: COMBUSTING , N G Jet into High-Temp. (1370 K) Oxidant • Jet Entrainment Rata Decrease* with Increasing SurrourxJng-Gas Oxygen Concentration • Chemical Reaction Diminishes Jet En train ment Rate E is + E* °r B• a » w o o - 1 (vol. *at) . 6.51 / 9 00 />"« 11.B -/ <* 144 £C''^ 17.1 '/«''& 19.4 '/' f'«^ 24.5 X /A' 26.5 /'A"S // *'+* ///',i f* '* /, '/* A/X* r Corr»lotion tPRAXAIR •/". d+ SCALING . d » Scaling Law Developed by Prof. Datim . d* Scaling Law Accounts (or Heat Release Effects on Turbulent Jet Scaling • Extension of Ricou and Spalding Work . Nonreactlng Case; aVdo »(po/p.) ° ° | . Reacting Case; d*M, - [pJ{*»*) 0J> \ a i! T....r T Tt , , , • _*' 1 "ma. »7 To..l. T Mixture Fraction ;![MHPRAXAIR n,=Xi Cp'l(Xi Crt) |