subject
Engineering, 14.09.2019 00:30 pineappledogpie1608

In a jet engine rotor the high pressure axial compressor rotates at a speed of 14750 rpm. the overall stagnation pressure ratio due to compression is 9.1. it was recorded that the air flows at a rate of 15.7 kg/s. the stagnation properties at the inlet are 205 kpa and 450k. the poly-tropic efficiency of the compressor is 92%. assume the mean radius of the compressor is constant and equal to 0.25m. calculate the total-to-total isentropic efficiency of the compressor. estimate the number of stages required, if the stage loading to be less than 0.4. why was the values of the area used to calculate t2?

ansver
Answers: 3

Other questions on the subject: Engineering

image
Engineering, 03.07.2019 23:20, abbz13
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
image
Engineering, 04.07.2019 18:10, jadeochoa4466
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
image
Engineering, 04.07.2019 18:10, skpdancer1605
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
image
Engineering, 04.07.2019 18:10, QueenLife4869
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
You know the right answer?
In a jet engine rotor the high pressure axial compressor rotates at a speed of 14750 rpm. the overal...

Questions in other subjects:

Konu
Mathematics, 03.12.2021 08:50
Konu
Mathematics, 03.12.2021 08:50
Konu
Biology, 03.12.2021 08:50
Konu
Mathematics, 03.12.2021 08:50