グラスホフ数すうMeanings1nounGrashof numberphysicsA dimensionless number used in fluid dynamics and heat transfer to characterize natural convection.自し然ぜん対たい流りゅうの熱ねつ伝でん達たつ率りつはグラスホフ数すうに依い存ぞんする。The heat transfer coefficient of natural convection depends on the Grashof number.