3. An engine working on the Otto Cycle has a compression ratio of 10/. At the beginning of the compression stroke the temperature of the air is 30°C. After the addition of heat constant volume the temperature of the air rises to 1100 °C. Find the heat supplied, heat rejected & the net work done per kilogram of air in the cylinder. What is the efficiency of the cycle?

3. An engine working on the Otto Cycle has a compression ratio of 10/. At the beginning of the compression stroke the temperature of the air is 30°C. After the addition of heat constant volume the temperature of the air rises to 1100 °C. Find the heat supplied, heat rejected & the net work done per kilogram of air in the cylinder. What is the efficiency of the cycle?

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

An engine working on the Otto Cycle has a compression ratio of 10/. At the beginning of the compression stroke the temperature of the air is 30oC. After the addition of heat constant volume the temperature of the air rises to 1100 oC. Find the heat supplied, heat rejected & the net work done per kilogram of air in the cylinder. What is the efficiency of the cycle?
Gas compression and expansionSketch the cycle as well as determine the Qcycle and Q31 in kj
Q3:A small truck has #cylinder ,4 liter compression ignition engine that operates on ir standard Dual cycle with air fuel ratio of 16:1, the compression ratio is 17 and the cylinder diameter is 14.5Cm. At the start of compression stroke Ta=50'C and Pa=100 kpa .It can be assumed the half of the heat input is added at constant volume and halt at constant pressure Calculate: 1-Temperature and pressure at each state of the cycle. 2-Indicated thermal efficiency. 4:28 PM
An engine working on the Otto Cycle has a compression ratio of 10 . At the beginning of the compression stroke the temperature of the air is 30C. After the addition of heat constant volume the temperature of the air rises to 1100C. Find the heat supplied, heat rejected & the net work done per kilogram of air in the cylinder. What is the efficiency of the cycle?
EX. 3: A petrol engine is supplied with a fuel of (41868 KJ/Kg) heating value. Cylinder pressure at (30%) of the stroke and (70%) of the stroke are (1.33 bar) and (2.66 bar) respectively. Assuming the compression isobying the Law PV=const. find the compression ratio if the relative efficiency compared with that of the ideal cycle is (50%). calculate the specific fuel consumption.
3. A Brayton cycle has an initial temperature of 270C and pressure ratio of 8. Ifmaximum temperature is 14000C, find the heat added in the combustor.
5. An ideal diesel cycle has a compression ratio of 16 to 1. The maximum cycle temperature is1700°C and the minimum cycle temperature is 15°C. Calculate:a. the specific heat transfers to the cycleb. the specific work of the cyclec. the thermal efficiency of the cycle
4. An air standard Diesel cycle has a compression ratio of 18. At the beginning of the compression process, air is at 100 kPa and 15°C. If the mean effective pressure is 1362 kPa and the heat of combustion is 1800 kJ/kg, find the thermal efficiency.
Q3:A small truck has #cylinder ,4 liter compression ignition engine that operates on irstandard Dual cycle with air fuel ratio of 16:1, the compression ratio is 17 and the cylinderdiameter is 14.5Cm. At the start of compression stroke Ta=5O'C and Pa=100 kpa .It can beassumed the half of the heat input is added at constant volume and halt at constant pressureCalculate:-Temperature and pressure at each state of the cycle. -Indicated thermal efficiency.
A four-stroke gasoline engine has a compression ratio of 10:1 with 4 cylinders of total displacement 2.3 L. the inlet state is 290 K, 90 kPa and the engine is running at 2400 RPM with the fuel adding 1500 kJ/kg in the combustion process. What is the network in the cycle and how much power is produced?
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 b) the heat transferred to the cycle in kJ/kg at the and af avnancion d) the second ZUL ce S a to tired fre wwwperature a tamn-
Problem 1: Find and compare the efficiency of the simple ideal Rankine cycle engine operating between20 and 100 deg. C for working fluids of water and Refrigerant 12. Compare the results to the Carnotefficiency.Problem 2: A Rankine cycle operates with steam under the same conditions as in Problem 1. The turbinehas an efficiency of 70 percent, and the pump efficiency is 60 percent. Find the cycle efficiency, andsketch the T-s and h-s diagrams.