Q2 An air-standard diesel cycle has a compression ratio of (14). The pressure atthe beginning of the compression stroke is (1 bar) and the temperature is (27 °C).The maximum temperature is (2500 °C). Determine the thermal efficiency and themean effective pressure. Answers (53.65 %), (1288.7 KN/m²)

Answered: Image /qna-images/answer/63bd2662-2fe9-4e16-8c15-772c050097b6.jpg

Answered: Q2 An air-standard diesel cycle has a…

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

Q₁) In an ideal otto cycle engine, the temperature and Pressure at the beginning of Compression are 43 C 100 kpa respectively and the temperature at the end of adiabatic Compression is 323%. if the temperature. at the end of Gnstant Volume heat addition is 1500°C calculate: (a) the Compression ratio, (b) the air- standard efficiency, (c) the temperature and pressure at the end of adiabatic expansion. Assume Yas 1.4 Por 2
the compression ratio of an ideal Otto cycle is 8. Pressure of air at the beginning of the isentropic compression process 95 kPa, Temperature 27 °C and constant volume input to the cycle is 750 kJ / kg. Consider that the specific constant is taking; which of the following are the temperature and pressure values at the end of the heat input into the cycle? (Cp=1.005 kJ/ups, C, =0.718 kJ / ups, R=0.287 kJ/ups, k=1.4) Please select one: a.4392 КРа 1534к O b.4392 Pa 1534 K с. 439.2 КРа 1734 К d.439.2 kPa 1534 K e.4392 kPa 1734 K
1. An ideal air-standard diesel cycle with inlet conditions: 21.11˚C and 14.7 psia, 700 Btu/lbm heat input, and a compression ratio of 15. Find P2, T2, T3, V3, P4, T4, and the efficiency of the cycle. Take Note: Assume air standard values for R and k Cp = kR/k-1 Cv = R/k-1 a. Find the value of P2. (in psi or lb/in^2) b. Find the value of T2. (in Rankine) c. Find the value of T3. (in Rankine) d. Find the value of V3. (in ft^3/lbm) e. Find the value of P4. (in psi or lb/in^2) f. Find the value of T4. (in Rankine) g. Find the value of efficiency of the cycle. (ex. 100-%)
A compression ratio of 8 is achieved by using an ideal air-standard Otto cycle engine. The working fluid has a pressure of 100 kPa and a temperature of 27°C at the start of the compression process, and the constant volume heat addition process supplies 800 kJ/kg of heat to the working fluid. What are the (a )the temperature, volume and pressure of the air at the end of each process (in K, m3 and kPa) (b) the net work output/cycle [kJ/kg], and (c) the thermal efficiency of this engine cycle
Plz solve in 45min
I need the answer as soon as possible
Thermal efficiency of standard Otto cycle for a compression ratio 5.5 will be
The compression ratio in an air standard Otto cycle is 9. At the beginning of the compression stroke, the pressure is 0.1 MPa and the temperature is 21 C. The heat transfer to the air per cycle is 2000 kJ/kg. Use the PG model for air. I am trying to find the Mean Effective Pressure from this information
14. Horsepower produced if engine is 4 stroke type and has 2 cylinders 15. Mean Effective PRessure
Q1/ An air-standard Otto cycle has a compression ratio of 8.5. At the beginning of compression, p;=100 kPa and T;=310 K. The heat addition per unit mass of air is 1440 kJ/kg. Determine (a) the net work. in kJ per kg of air. (b) the thermal efficiency of the cycle. (c¢) the mean effective pressure. in kPa. (d) the maximum temperature in the cycle, in K.
Consider an air-standard dual cycle with a compression ratio of 9.62. At the beginning of the compression. p, = 100 kPa, T= 300K, and the mass inside the system is 0.02kg. The total amount of energy added by heat transfer is 23.42 kJ, with half added at constant volume and half added at constant pressure. Determine for the cycle: a) the pressure and temperature at the end of cach process, in kPa and K: (some data are provided, you don't need to reevaluate it. Ignore the cells with "" in them.) Show your work where needed; b) the net work output, in k); c) the thermal efficiency; d) the mean effective pressure, in kPa. n and/or h (kJ/kg) p(kPa) 100 T(K) 300 State 3. 4. 1875
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 1950 K. what is the 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