An ideal Otto cycle operates at a compression ratio of 8, an initial temperature and pressue of 70°F and15 psia, and a maximum cycle temperature of 3540°F. Determine the initial volume in ft³/lb.a. 15.09b. 16.78c. 18.05d. 20,14An ideal Otto cycle operates at a compression ratio of 8, an initial temperature and pressue of 70°F and15 psia, and a maximum cycle temperature of 3540°F. Determine the maximum cycle pressure.a. 1006 psiab. 906 psiac. 806 psiad. 706 psiaAn ideal Otto cycle operates at a compression ratio of 8, an initial temperature and pressue of 70°F and15 psia, and a maximum cycle temperature of 3540°F. What is the cycle efficiency?a. 0.206b. 0.138c. 0.249d. 0.504

Answered: Image /qna-images/answer/ec7c7789-64e1-4087-818c-078370c1a733.jpg

Answered: An ideal Otto cycle operates at 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

Help fast please
The intake air to an ideal Otto cycle has a maximum volume of 0.004 m3 at 27 o C and 101 kPa. If the displacement volume is 0.0035 m3 and the heat rejected from the cycle is 605 J, run an analysis to determine the following; 1- All volumes, pressures, and temperatures for all states. 2- The total heat added to the cycle, Qin 3- The total heat rejected from the cycle, Qrej 4- The total work done by the cycle, Wnet 5- The thermal efficiency of the cycle, ηth
1. To approximate an actual spark-ignition engine consider an air-standard Otto cycle that has a heat addition of 1800 kJ/kg of air, a compression ratio of 7, and a pressure and temperature at the beginning of the compression process of 90 kPa, 10°C. Assuming constant specific heat, determine the maximum pressure and temperature of the cycle and the thermal efficiency of the cycle. 2. In an air standard Otto Cycle, air enters at 101.25Kpa and 36°C. The compression ratio is 4:1. If the network of the cycle is 125 KJ/Kg. Calculate the heat supplied in KJ/Kg. 3. An engine Operates on the air-standard Otto Cycle. The cycle work is 1050KJ/kg. What is the compression ratio of the engine if the maximum cycle temperature is 3176K and temperature at the end of isentropic compression is 950K?
Determine the thermal efficiency.The adiabatic compression is reversible for An Otto-cycle and the expansion processes are reversible. engine takes air at 25 deg C, with initial pressure 1.1 b with a specific volume of 0..78 m3/kg. The compression ratio is 15 and the peak cycle temperature is equal to 1560 Deg C.
In an ideal reheat cycle, the steam throttled condition is 8 MPa and 480 degree C. the steam is then reheated to MPa and 460 degree C. the turbine exhaust is 60 degree C. The required values of some state point properties are tabulated below. 2. Determine the quality of steam at the last stage of isentropic expansion in the turbine.
At the beginning of compression in the otto engine cycle, P1= 101.35 kPa, T1 = 21 deg.C and Vi = 0.113 m². At the end of the compression process the pressure is 551.58 kPa. If 174.5 kJ/kg are added during the constant volume reversible. Heating process and the values of k and R for air are 1.4 and 0.287 kJ/kg.deg.K respectively. 2. a. Draw the P-V Diagram b. Draw the T-S Diagram c. Find the temperature at the end of compression d. Find the temperature at the beginning of expansion e. Find Heat removed f. Find the compression ratio g. Find the thermal efficiency
A Carnot cycle operates on 1.8 lb mass of air between 390 F and 90 F. The cycle operates between the pressure of 175 psig and 420 psia. Find the volume at the end of the isothermal compression. 1.35 ft3 O 1.79 ft3 O 1.49 ft3 O 1.64 ft3
3. An ideal Otto engine, operating on the hot-air standard with k=1.34, has a compression ratio of 5. At the beginning of compression the volume is 6 cu ft, the pressure is 13. 75 psia and the temperature is 1000F. During the constant- volume heating 340 Btu are added per cycle. Find (a) c, (b) T3, (c) p3, (d) e and (e) pm. Ans. a) 25% b) 5209R c)639.4 psia d) 42.14% e)161.2psia
A newly purchased sedan car operates on an ideal thermodynamic cycle. The engine has acompression ratio of 10. The ambient air pressure is 1 bar while temperature is 20 ºC. Themaximum temperature in the engine is 1600 K. Draw the ideal power cycle and label it.Utilizing the air-standard assumptions, determine (a) the gas temperature at the exits of thecompression and the expansion processes, (b) the specific works of compression, expansionand net, (c) heat supplied to the engine and (d) the thermal efficiency. please make it clear with space
With given,find,figure,analysis, and interpretation
An Otto cycle with a compression ratio of 8 begins its compression at 94 kPa, and 10°C. The maximum temperature and minimum volume within the cycle is 900°C and 150 cm3 , respectively. Utilizing air-standard assumptions, determine the (a) heat addition, in kJ, (b) ????, in kJ, (c) thermal efficiency, in %, Show the T-s and P-? diagrams when solving. Note that the specific heats are NOT constant Use g = 9.81 m/s2 or 32.2 ft/s2 , T(K)=T(°C)+273 and T(R)=T(°F)+460, where applicable
Consider an air-standard Otto cycle. At the beginning of the compression process, the pressure and temperature are 100 kPa and 300 K. The displacement volume is 2 liters, compression ratio is 10 and the pressure at the end of the combustion is 4 times the pressure at the end of the compression.Use cold-air standard calculations and determine: a) the pressure, temperature and volume at each state and fill in the below table: b) the net work per cycle, in kJ c) the thermal efficiency of the cycle.

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