An ideal gas Diesel engine, that has an inlet temperature and pressure of 24 UC and 102 kPa respectively with a compression ratio of 22:1. The maximum cycle temperature is 1,260 UC. Take Specific heat at constant pressure and constant volume for air as 1.005 kJ/kg K and 0.717 kJ/kg K respectively. Calculate the specific heat received to one decimal place and include the correct SI unit (J...).

An ideal gas Diesel engine, that has an inlet temperature and pressure of 24 UC and 102 kPa respectively with a compression ratio of 22:1. The maximum cycle temperature is 1,260 UC. Take Specific heat at constant pressure and constant volume for air as 1.005 kJ/kg K and 0.717 kJ/kg K respectively. Calculate the specific heat received to one decimal place and include the correct SI unit (J...).

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

See similar textbooks

Similar questions

An air-standard dual cycle has a compression ratio of 9.1 and displacement of Va = 2.2L. At the beginning of compression, p, = 95 kPa, and T = 290 K. The heat addition is 5 kJ, with one quarter added at constant volume and the rest added at constant pressure. Determine: a) each of the unknown temperatures at the various state, in K. b) the net work of the cycle, in kJ. c) the power developed at 3000 cycles per minute, in kW. d) the thermal efficiency. e) the mean effective pressure, in kPa. Do all parts I promise I will give 5 thubs up
A turbojet aircraft moving with a velocity of 790 ft/s at a runway where the pressure& temperature is found to be 14.7psi & 546R. The axial flow compressor provides apressure ratio of 14 to 1. Temperature at the turbine inlet is 2000R. The mass flowrate of airinside the engine is 133 lbm/s. Determine the following:a. T-S diagramb. Pressure & temperature at each statec. Thrust force (lbf)d. Propulsive power developed (BTU/min)e. Propulsive Efficiency
pls answer part f, g ,h and i
Plsss show the details of your solution with correct pv and ts diagrams and unit analysis. P.s use metric system. Thanksss a lot! ❤️
At the beginning of the compression process of an air standard Otto cycle, p₁ = 1 bar, T₁ = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of V₁ = 2.6 L. Determine per cylinder: a) the volume at state 1. b) the air mass per cycle. c) the heat addition per cycle, in kJ. d) the heat rejection per cycle, in kJ. e) the net work per cycle, in kJ. f) the thermal efficiency. g) the mean effective pressure, in bar. h) Develop a full exergy accounting per cycle, in kJ. Let To = 300 K, Po = 1 bar. i) Devise and evaluate the exergetic efficiency for the cycle. Understand air-standard Otto cycle Which statement is true for this air-standard Otto cycle? O Heat is added to the air at constant volume. O Heat is added to the air at constant pressure. O Heat is rejected from air at constant pressure. O None of the answers provided.
An ideal gas Diesel engine, that has an inlet temperature and pressure of 19 °C and 102 kPa respectively with a compression ratio of 23:1. The maximum cycle temperature is 1,285 °C. Take Specific heat at constant pressure and constant volume for air as 1.005 kJ/kg K and 0.717 kJ/kg K respectively. Calculate the specific heat received to one decimal place and include the correct SI unit (J..).
I only need help with parts f to i. At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Vd = 2.1 L. Determine per cylinder: a) the volume at state 1.b) the air mass per cycle.c) the heat addition per cycle, in kJ.d) the heat rejection per cycle, in kJ.e) the net work per cycle, in kJ.f) the thermal efficiency.g) the mean effective pressure, in bar.h) Develop a full exergy accounting per cycle, in kJ. Let T0 = 300 K, p0 = 1 bar.i) Devise and evaluate the exergetic efficiency for the cycle.
question 2 2. Compare the variation of the thermal efficiency with the compression ratio for the Otto and Diesel engines respectively.
26. For a compression ratio of 4.56 (V/V2), determine the final temperature of air inside the close piston cylinder assembly if the initial condition is at STP. Final pressure is 847.75kPa a. 273.8926°C b. 271.5038°C c. 279.1343°C d. 277.9285°C
please answer everything Consider an ideal air-standard diesel cycle engine, with an inlet temperature of 293-K and a compression ratio of 20. Heat added is 1235-kJ/kg. Find T2, T4, the cut-off ratio(V3/V2), and the efficiency of the cycle. Assume air standard values for R and k. a. The value of T2. (in Kelvin) b. The value of T4. (in Kelvin) c. The cut-off ratio. (V3/V2) d. The efficiency of the cycle. (in %)
QUESTION 30 An ideal gas Diesel engine, that has an inlet temperature, pressure and compression ratio of 20 °C and 102 kPa 20:1 respectively. The maximum cycle temperature is 1,225 °C. Take Specific heat at constant pressure and constant volume for air as 1.006 kJ/kg K and 0.717 kJ/kg K respectively. Calculate the specific heat rejected during the cycle to one decimal place and include the correct SI unit (J, kg, C ).
A diesel cycle with air as the working fluid has a compression ratio of 20. The temperature and pressure in the first process is 20°C, 95kPa and the highest attainable temperature is 1927°C. The air standard assumptions are applicable, both Kinetic and Potential energy are negligible. The mass/mass flow rate is negligible. Use the standard constants for air (Cp, Cy. R, and k). Determine the amount of heat transferred and rejected, the net work and thermal efficiency, and the mean effective pressure.