Engineering, 22.04.2020 03:08 cp838761
The reservoir pressure and temperature for a convergent-divergent nozzle are 5 atm and 15 0C, respectively. The air ow is expanded isentropically to super- sonic speed at the nozzle exit. If the exit to throat area ratio is 2.193, calculate the following air properties at the exit:
Mach number, pressure, temperature, density, velocity, total pressure, and total (stagnation) temperature.
Answers: 2
Another question on Engineering
Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:10
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
Answers: 2
Engineering, 04.07.2019 18:20
Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]
Answers: 1
Engineering, 04.07.2019 19:10
Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
Answers: 3
You know the right answer?
The reservoir pressure and temperature for a convergent-divergent nozzle are 5 atm and 15 0C, respec...
Questions
Advanced Placement (AP), 19.12.2019 00:31
Chemistry, 19.12.2019 00:31
Mathematics, 19.12.2019 00:31
Mathematics, 19.12.2019 00:31
Mathematics, 19.12.2019 00:31
Mathematics, 19.12.2019 00:31
Chemistry, 19.12.2019 00:31
History, 19.12.2019 00:31
Mathematics, 19.12.2019 00:31
