Question

What is the velocity of the air at degree 70C flowing at Mach 2.00?

What is the velocity of the air at degree 70C flowing at Mach 2.00?

Engineering   Mechanical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Mach number is defined as the ratio of velocity of object to the velocity of sound

In the above problem Mach number 2 means velocity of air / velocity of sound =2

Velocity of air =2*371.2=742.4m/sec

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Air is flowing at a Mach number of M = 0.8 and a temperature of 35...
Air is flowing at a Mach number of M = 0.8 and a temperature of 35 Celsius. What temperature would the air be if it were brought to rest with no external work or heat transfer?
Consider atmospheric air at 25oC and a velocity of 20 m/s flowing over both surfaces of...
Consider atmospheric air at 25oC and a velocity of 20 m/s flowing over both surfaces of a 1-m-long flat plate that is maintained at 100oC. Determine the rate of heat transfer per unit width from the plate for 5 values of the critical Reynolds number corresponding to 5x10 .
Air at freestream velocity U∞=16 ms, and free steam temperature      T∞=50℃ is flowing over a plate...
Air at freestream velocity U∞=16 ms, and free steam temperature      T∞=50℃ is flowing over a plate surface that is at temperature Ts=100℃. The velocity and thermal boundary layers developing on the surface have been shown in the figure. Also shown are the tangents to the velocity and temperature profiles at the surface y=0. If the density of air is ρ∞=1.1 kgm3, viscosity μ=1.963×10-5kgm∙s, and thermal conductivity k=0.0274Wm∙K then, calculate (a)        the wall shear stress, τw (b)       coefficient of skin friction,...
10. A jet traveling at Mach 1.8 creates a shock wave in air. a) What is...
10. A jet traveling at Mach 1.8 creates a shock wave in air. a) What is the angle of the shock wave? b) How far away will the jet be when a person on the ground hears the sonic boom if the jet is flying at an altitude of 2.40 km. c) How much time will pass from the time when the jet is directly overhead to the time the sonic boom is heard?
. Air flows with Mach 2.8 over a flat plate that is set at an angle...
. Air flows with Mach 2.8 over a flat plate that is set at an angle of 7° to the upstream flow. The pressure in the upstream flow is 100 kPa. Find the lift and drag coefficients using linearized theory.
(a) What is a Mach number? (b) If a vehicle is labeled Mach 12, what does...
(a) What is a Mach number? (b) If a vehicle is labeled Mach 12, what does it mean? (c) What does breaking the sound barrier mean? (d) Who was the first person to break the sound barrier?
Calculate the lift and drag coefficients of a flat plate flying in air at Mach 3...
Calculate the lift and drag coefficients of a flat plate flying in air at Mach 3 for angles-of-attack 0-20 using these equations Cl=L/.(5*gamma*p*M^2*c)
6) Air at 288 K and 275 kPa abs enters a pipe and is flowing in...
6) Air at 288 K and 275 kPa abs enters a pipe and is flowing in isothermal compressible flow in a commercial pipe having an ID of 0.080 m. The length of the pipe is 60 m. The mass velocity at the entrance to the pipe is 165.5 kg/m2 · s. Assume 29 for the mol ecular weight of air. Calculate the pressure at the exit.
There is an air compressor. The air temperature and pressure flowing into the compressor are 20℃...
There is an air compressor. The air temperature and pressure flowing into the compressor are 20℃ and 80kPa. At the outlet of the compressor, the pressure is 800 kPa and the temperature is 200℃. When the required power of the compressor is 400kW, find the heat rate (Q)[kW]. Compressor outlet inner diameter is 10cm, flow speed is 20m/s.
What is the pressure drop associated with water at 27°C flowing with a mean velocity of...
What is the pressure drop associated with water at 27°C flowing with a mean velocity of 0.1 m/s through an 800-m-long cast iron pipe of 0.30-m inside diameter? Answer is close to 332 Pa Please show all work
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT