cranfield0043

relat wall temperatur effect rough boundari layer transit experiment demonstr rise subsequ fall transit reynold number decreas wall toambient temperatur ratio subject two recent note case argu increas effect rough due wall cool suffici explain transit revers phenomenon nomin smooth bodi one case criterion transit revers taken valu low eter reynold number form veloc kinemat viscos base calcul condit height rough element undisturb laminar boundari layer station rough locat present note submit show anoth method evalu effect rough transit lead opposit conclus