Please help me solve this as soon as possible, and I will surely leave you a like. At the end of the power stroke in an Otto cycle (i.e., bottom dead center), the conditionsin the cylinder are T=966.6 K and P-386.6 kPa. The work produced by the adiabatic,reversible power stroke is 946.2 kJ/kg. Using air standard assumptions, find thecompression ratio of the engine.

Answered: Image /qna-images/answer/8a8d64b8-89f0-4f47-82f3-8bedcc00b1be.jpg

Answered: At the end of the power stroke in an…

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

The compression ratio of Otto cycle is 8.5. If maximum temperature of the cycle is 11900C, find the temperature after expansion.
Show a derivation of final temperature of dual cycle in terms of initial temperature and ratios
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
Example-1: In a Brayton cycle, the air at the inlet is at 27°C, 0.1 MPa. The pressure ratio is 6.25 and the maximum temperature is 800°C. Find (a) The compressor work per kg of air (b) The turbine work per kg or air (c) The heat supplied per kg of air (d) The cycle efficiency. Solution: T₁ = 27°C = 300 K P₁ = 100 kPa r₂ = 6.25 T3 = 800°C = 1073 K T N T Isobaric qin qout
Solve the Problem. Submit your solution with the problem with the submission area. Consider an ideal air-standard diesel cycle in which the state before the compression process is 95 kPa, 290 K, and the compression ratio is 20. Find the maximum temperature (by iteration) in the cycle to have a thermal efficiency of 60%?
2) The compression ratio of an ideal Otto cycle is 7 and prior to compression air is at 285K and 90kPa. The maximum pressure of the cycle is 4100kPa. Assuming that the specific heats are constant where k = 1.4 and cp = 1.005 kJ/kgK. Calculate - ₂ d) the second law efficiency of the cycle if heat is transferred from a source having a temperature of 2000K and heat is rejected to ambient air having a dead state temperature of 285K.
An air standard gas turbine engine operates on an overall pressure ratio of 4 and between the temperature limits of 70 F and 1600 F Assuming constant specific heats, evaluate the compressor work. Find: (a) For ideal cycle: (b) calculate the turbine work (c) calculate the thermal efficiency Show complete solution on a paper.
A gasoline internal combustion engine can be modeled by an ideal Otto cyclethat has a compression ratio of 8.91. At the beginning of the compression process (state 1), airis at 100 kPa and 300 K. The heat transfer into the air during the constant-volume heat additionprocess (state 2 to 3) is 693.08 kJ/kg. Note: Consider constant specific heats of air at 300 K. 1 – Find the temperature in K before heat additionprocess ;A) 660 KB) 680 KC) 700 KD) 720 K 2 – Find the maximum temperature in K during thecycle A) 1625 KB) 1655 KC) 1685 KD) 1715 K3 – Find the maximum pressure in MPa during the cycle A) 4 MPaB) 4.5 MPaC) 5 MPaD) 5.5 MPa4 – Find the temperature in K before the heat rejection processA) 660 KB) 700 KC) 740 KD) 780 K
A four-cylinder compression-ignition engine with a compression ratio of 18 haspistons with a bore of 9 cm and a stroke of 10 cm. The air pressure at the beginning ofcompression is 98 kPaa, and the temperature is 37 oC. The engine may be modeled bythe air-standard Diesel cycle. The maximum cycle temperature is 1700 oK. If the engineproduces 75 kW of power, determine a) the heat supplied per cylinder; b) the thermalefficiency; and c) the rpm required.
3 The total volume displaced in the cylinder for a Carnot Cycle is easily determined with Isothermal expansion ratio True False
The compression ratio of an ideal Otto Cycle is 6:1. Initial conditions are 101.3 kPa and 20 deg C. Find the pressure and temperature at the end of adiabatic compression.
In a standard Brayton cycle, the heat added is 20kW while the heat rejected is 8kW. Find the pressure ratio and compression ratio.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS

At the end of the power stroke in an Otto cycle (i.e., bottom dead center), the conditions in the cylinder are T=966.6 K and P-386.6 kPa. The work produced by the adiabatic, reversible power stroke is 946.2 kJ/kg. Using air standard assumptions, find the compression ratio of the engine.