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What is the minimum altitude at which mach number can be calculated?
It can be calculated at any altitude - including negative ones - eg under water.
How fast is Mach 0.85?
Mach number is dependent on a number of factors. Factors such as air density or altitude will change the Mach number. At approximatively 45 000 ft Mach 0.85 =289.2361 m/s = 1041.25 km/h = 647.0028 mph
What is the equivalent of 1 mach speed to kilometers per hour?
It depends on altitude and humidity Mach I is about 1,225 kilometers per hour.
Who invented the mach number?
Ernst Mach .
What is Mach 2.5 to 2?
The Mach number for the speed of an object travelling through a particular medium is the ratio of the object's speed relative to the speed of sound through the same medium. The speed of sound through any medium depends on the nature and density of the medium and, as a result, so does the Mach number. In air, the Mach ratio is mostly dependent on temperature and humidity, less so on altitude. Generally, Mach 1 (in air, at standard sea level conditions, and at 15 deg C) is approx 760 mph. So Mach 2.5 would be approx 1900 mph.
What is Lower critical mach number?
Lower critical mach number may be defined as the highest subsonic mach number below which the entire flow over it is subsonic. vijayaprakaash
What is critical mach number?
Critical Mach Number, or Mcr, refers to the lowest Mach number that air going over and around an aircraft can reach the speed of sound. If an airplane goes over its Mcr, handling might be greatly affected.
What is the minimum altitude at which mach number can be calculated?
It can be calculated at any altitude - including negative ones - eg under water.
How fast is Mach 0.85?
Mach number is dependent on a number of factors. Factors such as air density or altitude will change the Mach number. At approximatively 45 000 ft Mach 0.85 =289.2361 m/s = 1041.25 km/h = 647.0028 mph
How fast is mach 3.3?
Mach 3.3 is about 2,512 mph depending on altitude.
Will the speed of an aeroplane be same which is flying at different altitudes and have same mach number 2?
no mach no is defined as ratio of local speed of aeroplane to speed of sound. As the altitude increases the True speed of aeroplane increases and speed of sound decreases because of reduction of ambient temperature Hence the value of their ratio should increase at an increasing rate with increase in altitude. Keeping the Mach No constant say, 2 means reduction of speed to a large extent so as to maintain constant Mach No. Therefore same Mach no the aeroplane at higher altitude is flying slower
The ratio of speed of a body to the speed of sound is called?
the Mach number
What is the principal advantage of a sweepback design wing over a straight wing design?
The critical Mach number will increase significantly
What is low speed mach buffet?
There is no such thing as "low speed Mach buffet". It is sometimes confused with stall buffet. Mach buffet is caused by the local airspeed (such as air going around a nacelle or over a wing which is locally faster than the surounding air relative to the aircraft airspeed.) going above the speed of sound and hitting part of the airframe or another area of high speed air from the airframe or nacelle. It occurs usually above .75 Mach or so. Stall buffet is caused by the wing losing lift due to travelling too slowly and requiring an angle of attack that is too high. Stall buffet can be higher airspeed if the aircraft is heavy or under "G" loads greater than 1, in effect requiring a higher angle of attack to maintain altitude. At very high altitudes, it is possible for stall speed and Mach buffet speed to be the same. This is often referred to as the "coffin corner". This is generally at an altitude higher than most aircraft can climb to, so is only a factor in high performance fighters or reconaissance aircraft such as the U-2. This is because Stall Speed is a factor of Calibrated Airspeed, which does not change much with altitude. As altitude is increased, the air density is lower so the aircraft must go faster to maintain a given Calibrated Altitude. True Airspeed ismuch faster at high altitude for a given Calibrated Altitude. Mach number is relatively constant with altitude andvaries with temperature, so the Stall Speed canhave a high True Airspeed at high altitude - and if one goes high enough the Stall Speed and the critical Mach number, where Mach buffet occurs, will be the same True Airspeed. There is no such thing as "low speed mach buffet".
How fast is a F16?
More than Mach 2 at its premium altitude.
What is the equivalent of 1 mach speed to kilometers per hour?
It depends on altitude and humidity Mach I is about 1,225 kilometers per hour.
Who invented the mach number?
Ernst Mach .
