Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
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.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 2 steps with 11 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 3. An ideal air-powered Otto cycle has a compression ratio of 8. Lowest and highest of the cycle temperatures are 300 K and 1340 K, respectively. Taking into account the variation of specific heats with temperature, a) The heat entering the cycle, b) The thermal efficiency of the cycle, c) Calculate the thermal efficiency of the Carnot cycle operating between the same temperature limits.arrow_forwardpls answer all i will give thumbs up if rightarrow_forwardThe 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 informationarrow_forward
- An air-standard Otto cycle has a compression ratio of 9. At the beginning of compression, P1 = 100 kPa and T1 = 300 K. The heat addition per unit mass of air is 1350 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 kPaarrow_forwardAn air-standard dual cycle has a compression ratio of 9.1 and displacement of Va= 2.2L.At the beginning of compression, p1= 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 states, 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. Step 1 Your Answer Correct Answer (Used) Determine each of the unknown temperatures at the various states, in K. 684.1 K T3 = K 1217 T4 = 2311 K 1440 K Step 2 X Your answer is incorrect. Determine the net work of the cycle, in kJ. Weycle = I 3.470026652 kJ Hint Save for Later Attempts: 1 of 3 used Submit Answer Step 3 The parts of this question must be completed in order. This part will be available when you complete the part above.arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
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