Mach number

ratio of speed of object moving through fluid and speed of sound

en-US/ˈmɑk ˈnʌmbɚ/
en-GB/mɑːk ˈnʌmbə/

دسته بندی ها:

physical quantitydimensionless quantitydimensionless number in fluid mechanicsratiocharacteristic numbercriterion of similarity