IEVref:113-04-54ID:
Language:enStatus: Standard
Term: Prandtl number
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Symbol: Pr
Definition: quantity of dimension 1 characterizing the relative importance of viscosity and thermal diffusivity, defined by Pr= η c p λ = ν α MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaGGaciaa=bfacaWFYb Gaeyypa0ZaaSaaaeaacqaH3oaAcaaMi8Uaam4yamaaBaaaleaacaWG WbaabeaaaOqaaiabeU7aSbaacqGH9aqpdaWcaaqaaiabe27aUbqaai abeg7aHbaaaaa@4724@ , where η is dynamic viscosity, cp is specific heat capacity at constant pressure, λ is thermal conductivity, ν is kinematic viscosity, and α is thermal diffusivity


Publication date:2011-04
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Internal notes:2014-07-10: Symbol <i>P</i><sub><i>r</sub> corrected to <i>P</i><sub><i>r</i></sub>. JGO
2017-06-02: Cleanup - Remove Attached Image 113-04-54en.gif
2019-01-28: <i>P</i><sub><i>r</i></sub> corrected to <i>Pr</i> as confirmed by Erik Jacobson. JGO
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