Mach number

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

en-GB/mɑːk ˈnʌmbə/
en-US/ˈmɑk ˈnʌmbɚ/

ক্যাটাগরি:

physical quantitydimensionless quantitydimensionless number in fluid mechanicsratiocharacteristic numbercriterion of similarity