Required informationA turbojet is flying with a velocity of 900 ft/s at an altitude of 20,000 ft,where the ambient conditions are 7 psia and 10°F. The pressure ratioacross the compressor is 13, and the temperature at the turbine inlet is2350 R. Assume ideal operation for all components and account for thevariation of specific heats with temperature.Determine the velocity of the exhaust gases. (You must provide an answer before movingon to the next part.)The velocity of the exhaust gases isI ft/s.

A fan pulls air into the turbojet engine from the front. The air pressure is increased by using a…

Answered: Required information A turbojet is…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 90 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 2050 K. Step 1 Your answer is incorrect. Determine the compression ratio. r = i 22.02
Problem 2 (10 pts) You are asked to analyze an ideal air-standard Diesel cycle. The temperature before and after compression is 300 K and 900 K, respectively, and the cut-off ratio is 2.5. If specific heats vary with temperature, determine the compression ratio, maximum temperature in the cycle, and the temperature after expansion in K. Bonus (2 pts) Determine the amount of heat added to the cycle in kJ/kg.
What are the main reasons for running jet engines at high temperatures? Select one or more: a. Decreased noise b. Greater thermal creep Increased efficiency C. d. Increased fuel burn e. Higher thrust
Thermodynamics 2
Thermodynamics Instructions: Answer the problem. a) Estimate the enthalpy and quality (or temperature) of the exhaust. *show complete solutions and please write legibly. TY
Air enters the compressor of an ideal air standard brayton cycle at 100 kPa, 300 K, with a volumetric flow rate of 5 cu.m/s. The compressor pressure ratio is 10. The turbine inlet temperature is 1400 K. Compute the (a) P, V, and T at each point of the cycle; (b) QA, QR in kW; (c) WC, WT in kW; (d) rp, TBW; (e) e; (f) mep.
pls answer all i will give thumbs up if right
Question 12(Please provide a hand written solution) Air flows through an Otto Cycle, beginning the compression process at a temperature of 50 ˚C. The volume of gas present in the cylinder at the start of compression is 0.001 m3. During the heat addition process, 1200 kJ/kg of heat is added to the air. The compression ratio of the cycle is 8.5. Using cold-air standard analysis;Calculate the temperatures at the other states in the cycleWrite the equation and sample to determine the mass,Write the equation and sample to determine the net work,Write the equation and sample to determine the thermal efficiency,Write the equation and sample to determine the volume at the end of the compression,Write the equation or sample to determine the Mean effective pressure, andPlot the work produced during one cycle, the maximum pressure in the cycle, the thermal efficiency of the cycle, and the mean effective pressure for pressures at the beginning of compression ranging between 50 kPa and 150 kPa,…
An ideal otto engine , operating on the hot air standard with k= 1.3, has a compression ratio of 6.At the beginning of the compression the volume is 0.1982 cubic meter , the pressure is 15 psia and the temperature is 560 R .During the constant volume heating , 259 Btu are added per cycle . Find (a) c,(b) t3 ,(c) p3 ,(d) e, and (e) pm?
An air-standard Brayton Cycle has an intake of 2.4M ft/hr at 43.2 lb.ft? gage. Given with a compression ratio of 6, temperature of turbine inlet is 1900 Rankine, temperature at the end of the isobaric heat rejection process is 90 °F, and the exit pressure of the turbine is 0.3 psig. Determine the Efficiency, in percent, nearest whole number. (Use Cp = 0.24 BTU/lb - R)
Q3: An ideal air-standard Diesel cycle engine has a compression ratio of 18 and a cut- off ratio of 2. At the beginning of the compression process, the working fluid is at 100 kPa, 27°C. Determine the temperature and pressure of the air at the end of each process, the net work output per cycle [kJ/kg], and the thermal efficiency.
7. An OTTO cycle operates on 0.15 lb/s of air from 15 psia and 1500F at the beginning ofcompression. The temperature at end of combustion is 50000R; compression ratio is 5:5; hot airstandard, k = 1.37.1 Solve for the volume flow rate at point 17.2 Determine the pressure at point 27.3 Calculate temperature at point 2

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