caption: For both the isothermal and adiabatic cases it is convenient to define a Mach number as the ratio of the gas velocity to the velocity of sound in the gas at the prevailing conditions.
exif: {"Image DocumentName": "For both the isothermal and adiabatic cases it is convenient to define a Mach number as the ratio of the gas velocity to the velocity of sound in the gas at the prevailing conditions.", "Image ImageDescription": "(41) where a is the velocity of sound. The velocity of sound is determined using the thermodynamic relationship. (42) which, for an ideal gas, is equivalent to. (43) which demonstrates that, for ideal gases the sonic velocity is a function of temperature only. For air at 20\u00b0C the velocity of sound is 344 m/s (1129 ft/s)", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}