An Otto cycle engine is operating on the following conditions: The pressure and temperature at the beginning of compression are 150 kPa and 300 K, respectively. The maximum pressure and temperature are 5100 kPa and 2900 K. Assume cold air standard. Determine: a. The compression ratio b. The net cycle work, Wnet/m (kJ/kg) c. The cycle efficiency in percent.

An Otto cycle engine is operating on the following conditions: The pressure and temperature at the beginning of compression are 150 kPa and 300 K, respectively. The maximum pressure and temperature are 5100 kPa and 2900 K. Assume cold air standard. Determine: a. The compression ratio b. The net cycle work, Wnet/m (kJ/kg) c. The cycle efficiency in percent.

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

Related questions

Q: An air-standard Diesel cycle receives 28.5 kJ/cycle of heat while operating at 300 rpm. At the…

Q: An engine operating on the air-standard Otto cycle has a 12 % clearance volume, a total displacement…

A: Engine operating cycle = Air-standard Otto cycle Clearance volume Vc = 12 % = 0.12 Total…

Q: 2. An ideal dual cycle, shown below on Figure 2 (P-v diagram) operates with 1 kg of air. The initial…

Q: 3. An ideal Otto cycle has a compression ratio of 10.5, takes in air at 90 kPa and 40°C, and is…

Q: An ideal Brayton cycle is used in a gas-turbine power plant with two stages of expansion and two…

A: Given: The pressure ratio, rp = 9.5 The temperature at the inlet of compression, T1 = 17oC The…

Q: An air-standard Spark Ignition cycle has a compression ratio of 10.2. Air is at 3000°R at the end of…

Q: 2. A Diesel cycle has a compression ratio of 20, and the heat input gin to the working fluid is 1600…

Q: Consider an ideal gas-turbine cycle with the following details in Table 1. Table 1 No. of stages at…

Q: Carnot engine is operating on an air standard cycle having a temperature difference of 425C. If…

A: Option c is correct.

Q: The conditions at the beginning of compression in an Otto Cycle engine operating at hot-standard…

A: Given that , P1=101.3kPaV1=0.038m3T1=32°C=305Kclearance=10%Q=12.28kJk=1.4 we know that, compression…

Q: 17. A diesel engine working on an air standard cycle has a peak temperature of 1200K. If the…

A: Given Data Tmax=1200 K rc=20 T1=30°C

Q: In an ideal Diesel cycle, the pressure and temperature the the beginning of the adiabatic…

Q: 4. When working on the Otto Cycle with air as the working fluid, an engine has air standard of 54.5%…

A: Given Data Air standard efficiency is :η=0.545 Heat rejected is: QR=520 kJkg Diameter of bore is :…

Q: An ideal dual cycle has a compression ratio of 10. The state of air at the beginning of the…

Q: An Ideal Diesel cycle has a compression ratio of 19 and a cut-off ratio of 3. At the beginning of…

A: GIVEN:*Compression ratio r=19*Cut-off ratio ρ=3*T1=37°C=310 K*P1=100 kPa*HAP=950 kJ/kg TO…

Q: 1. In an air standard Otto Cycle, air enters at 104.7 kPa and 27°C. The compression ratio is 7:1. If…

Q: 19. The thermal efficiency of an Otto cycle with a compression ratio of 8 is %. 20. The thermal…

A: GIVEN DATA 19. COMPRESSION RATIO r=8 20. COMPRESSION RATIO r=12 AND CUT OFF RATIO rc=1.3 WE HAVE…

Q: The mep of an ideal, cold-air Otto cycle is 160 psi. At the beginning of compression V₁ = 1 cu. ft.…

Q: The compression ratio of an air-standard dual cycle is 12. The pressure at the beginning of…

A: Given Data→ Cycle - Air standard Dual cycle Compression ratio rc=12 Pressure at beginning of…

Q: 3. For an ideal diesel cycle, the pressure at the beginning and at the end of compression are 98 kPa…

Q: An ideal Rankine cycle operates between the pressures of 50kPa and 7000kPa. If the turbine outlet is…

Q: An Otto cycle operates on 1lb/s of air from 15 psia and 130 F at the beginning of compression. The…

Q: compression ratio of 8 is achieved by using an ideal air-standard Otto cycle engine. The working…

Q: An engine operates on an air-standard Otto cycle with a compression ratio of 9. pressure and…

A: Given:Compression ratio, r=9Pressure at the end of compression, P2=800 kPaTemperature at the end of…

Q: For a maximum cycle temperature of 3000°R, determine: (a) the heat addition to the cycle, in Btu.…

Q: An ideal Diesel cycle has the air inlet temperature and pressure of 22 OC and 92 kPa respectively.…

Q: An ideal Diesel cycle has the air inlet temperature and pressure of 28 0C and 92 kPa respectively.…

Q: Thermal efficiency of standard Otto cycle for a compression ratio 5.5 will be

Q: An engine operates on an air standard Stirling cycle. The pressure and temperature at the beginning…

A: Given, Initial pressure, P1=3.5 MPa Initial temperature, T1=150 °C=423 K Engine thermal efficiency,…

Q: at 6% of the stroke. State 1 is defined by 14 psia and 140°F. For the hot air standard with k=1.34…

Q: C- The conditions at the beginning of compression in an air standard Diesel cycle are 200 kPa and…

Q: 1. At the beginning of the compression stroke, an ideal Otto cycle has an air pressure of 15 psia, a…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: Determine the efficiency of a Carnot engine operating on an air-standard cycle having temperature…

A: given dT = 825

Q: A simple Brayton Cycle uses helium as the working fluid, it has a maximum temperature of 1100 deg.K,…

A: The given information in the problem is listed in the following attached image:

Q: The compression ratio of the ideal Otto cycle working with air is 8. The highest and lowest…

Q: An ideal Otto cycle with air as the working fluid has a compression ratio of 8.5. The minimum and…

Q: diesel engine working on an air standard cycle has a peak temperature of 1200K. If the compression…

A: Given Data T3=1200 K T1=30°C rc=20

Question

An Otto cycle engine is operating on the following conditions: The
pressure and temperature at the beginning of compression are 150 kPa
and 300 K, respectively. The maximum pressure and temperature are
5100 kPa and 2900 K. Assume cold air standard.
Determine:
a. The compression ratio
b. The net cycle work, Wnet/m (kJ/kg)
c. The cycle efficiency in percent.

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!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Trending now

This is a popular solution!

Step by step

Solved in 6 steps with 10 images

SEE SOLUTION Check out a sample Q&A here

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

7. A diesel engine working on an air standard cycle has a peak temperature of 1200K. If the compression ratio of the engine is 20 and that the air at the entrance condition has a temperature of 30C. Determine the efficiency of the cycle. a. 68.6990% b. 68.6998% c. 68.6989% d. 68.6986%
H.W2: An air-standard Carnot cycle is executed in a closed system between the temperature limits of 350 and 1200 K. The pressures before and after the isothermal compression are 150 and 300 kPa, respectively. If the net work output per cycle is 0.5 kJ, determine (a) the maximum pressure in the cycle, (b) the heat transfer to air, and (c) the mass of air. Assume variable specific heats for air. Answers: (a) 30,013 kPa, (b) 0.706 kJ, (c) 0.00296 kg
An engine operates on the air-standard Otto cycle. The conditions at the start ofcompression are 28oC and 101 kPaa. The heat added is 1850 kJ/kg. The compressionratio is 8.5. Determine a) the temperature, pressure, and specific volume at each point inthe cycle, b) the thermal efficiency, and c) the mean effective pressure.
There are supplied 400 kJ per cycle to an ideal diesel engine operating on 0.5 kg of air. At the beginning of compression, pressure is 100 kPa and temperature is 50 degrees Celsius. At the end of compression, pressure is 4000 kPa. Determine the ff: Compression ratio t2, t3, V3, P4, t4 in degree Celsius, m³ and kPa Heat rejected in kJ Network in kJ Thermal efficiency, % MEP in kPa
An ideal Diesel cycle has the air inlet temperature and pressure of 22 0C and 92 kPa respectively. The compression ratio is 19:1 while the maximum cycle temperature is 1,101 0C. Take Specific heat at constant pressure and constant volume for air as 1.008 kJ/kg K and 0.714 kJ/kg K respectively. Calculate the cut-off ratio to three decimal places
An ideal Diesel engine uses air initially at 20°C and 90 kPa at the beginning of the compression process. If the compression ratio is 15 and the maximum temperature in the cycle is 2000ºC, determine the following: .net work (kJ) produced a. 812 b. 930 c. 1010 d. 1414 mean effective pressure (kPa) a. 812 b. 930 cut-off ratio a. 1.3 b. 2.8 c. 1010 d. 1414 c. 2.6 d. 5.7
An ideal Diesel cycle has the air inlet temperature and pressure of 22 0C and 92 kPa respectively. The compression ratio is 19:1 while the maximum cycle temperature is 1,101 0C. Take Specific heat at constant pressure and constant volume for air as 1.008 kJ/kg K and 0.714 kJ/kg K respectively. Calculate the cut-off ratio to three decimal places
An air standard dual cycle has a compression ratio of 17. At the beginning of compression, p1 = 100 kPa and T1 = 15 o C and volume is 0.5 ft. 3. The pressure doubles during the constant volume heat addition process. For maximum cycle temperature of 1400 o C, determine (a) The heat added, (b) The heat rejected (c) The expansion ratio (d) The cut-off ratio