the mean effective pressure, in MPa? Compression ratio in Diesel Cycle will be 2.5 time higher than the cutoff ratio. Volume at TDCis 0.65liter. When the piston reach BTC, the volume rises by 10 times. If initial pressure of theair is 2.25bar with and T1 =18 °C. Find :

The diesel cycle is an air standard cycle that diesel engines work on. It comprises one adiabatic…

Answered: Compression ratio in Diesel Cycle will…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Given: P3 = 4 kPa, x3 = 0.6 , P4 = 4 kPa, T1 = 25 oC, T2 = 35 oC, mdot_steam = 25 kg/s. Find mdot_water (kg/s).mdot_water = _________ kg/s.
Calculate the compressor work in kJ required to compress 1 kg of an ideal gas from an initial volume and pressure of 0.65m3 and 101.3kpa to a final pressure of 517kpa. Compression is with n=1.35. A. 133.6 B. 105.8 C. 148.3 D. 142.7
11. an ideal gas with MW= 33 is contained in a flexible tank. it is heated from 258.71 C to 559.35 C. if the change in internal energy is 178 kJ/kg, what is work in kJ/kg
You have steam at 80 bar with specific enthalpy 3760 kJ/kg. What is its temperature, in degrees Celsius?
A- Define the following with mathematical expression if needed: 1- Closed system, 2- Cycle, 4- Entropy, 5- Polytropic process.
Can you answer this four questions? Thank you... Chapter 2 1. A piston-cylinder containing steam at 700 kPa and 250°C undergoes a constant pressure process until the quality is 70%. Determine per kilogram (a) the work done, (b) the heat transferred, (c) the change of internal energy, and (d) the change of enthalpy. Ans. (a) -101.4 kJ/kg; (b)-810 kJ/kg; (c)-708.5 kJ/kg; (d) -810 kJ/kg 2. Steam at 3.1 MPa and with 74.28°C SH rejects 1973.36 kJ per kg of steam heat at constant pressure, determine (a) the final temperature and (b) the change in specific entropy. Ans. (a) 235.7°C; (b) -3.8572 kJ/kg•K 3. With 3% moisture, 2.5 kg of steam has an enthalpy of 6600 kJ. It is heated at constant pressure to a final condition of 80° superheat. Find (a) the pressure of the process and (b) the quantity of heat received by the steam. Ans. (a) 0.22 MPa (b) 575 kJ. 4. Five kg of water vapor are contained at 150 kPa and 90 percent quality in a suitable enclosure. Calculate the heat…
12.) Determine the enthalpy of steam at the following state: 250 kPa and x = 65% a.1653.12 kJ/kg b.1252.12 kJ/kg c.1552.13 kJ/kg d.1953.13 kJ/kg
Provide clear and complete solution as well as diagram. Air is to be compressed steadily and isentropically from 1 atm to 18 atm by a two stage compressor. Determine the intermediate pressure in kg/cm2.A. 5.61 C. 6.21B. 4.98 D. 4.38
Two vessels A and B of different sizes are connected by a pipe with a valve. Vessel A contains 134L of air at 2,639.66 kPa, 87.38°C. Vessel B, of unknown volume, contains air at 69.36 kPa, 6.33°C. The valve is opened and, when the properties have been determined, it is found that Pm = 1,041.50 kPa, tm = 46.30°C. What is the volume of vessel B?
For a volume of air cooled from 1000 CFM at 98F DB and 50% RH to 70F DB and 90% RH give the following: a. Total heat removed b. Sensible heat removed c. Latent heat removed d. Amount of water removed per hour in (LB/HR)

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Compression ratio in Diesel Cycle will be 2.5 time higher than the cutoff ratio. Volume at TDC is 0.65liter. When the piston reach BTC, the volume rises by 10 times. If initial pressure of the air is 2.25bar with and T1 =18 °C. Find :