Q-2An air-standard Diesel cycle has a compression ratio of 18.2.Air is at 27°C and o.IMPa at the beginning of the compression processand at 200ok at the end of the heat addition process. Determine@The cutoff ratio ⑥The heat rejection per unit mass thermal efficie

Step 1: Step 2: Step 3: Step 4:

Answered: Q-2 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

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
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 c) the temperature at the end of expansion process ď of the cycle if heat is transferred from a source havi- .1.' ........... a dead state rature of 85k f
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-
Diesel cycle using air with compression ratio of 15:1, and cut off ratio of 2:1. The pressure and temperature at the begging of compression 100 kpa and 300 k0, using light diesel fuel at an air-fuel ratio of (A/F)= 18:1, N= 3000rpm and a mechanical efficiency of 82% Calculate: 1.max pressure and max temperature. 2.The work net. 3.Thermal efficiency. 4.Bsfc. 5- Bmep. 6- Volumetric efficiency. Assume: Single cylinder engine, 4- stroke Cp=1.005 kj/kg.k, Cv= 0.718 kj/kg.k, R= 0.287 Kj/kg.K ,ꙋ=1.4 and air density=1.18m3/kg, and heating value of 44000 kj/kg
1. At the beginning of the compression process in a hot-air-standard Otto cycle, the air is at 100 kPa and 300° K. The heat added to the air is 0.750 and r= 5. Kgm-K If c,=718 and K=1.38, calculate the pressure, temperature and volume at 790 the cardinal pcints. Also compute heat transfer and work done per Kg of air for each precess and the cycle thermal efficiency.
Just want to compare against my answers
In a Diesel cycle, the volume at the beginning of the isentiopic compression is O.8L. If the displaced volume of the cycle is 0.72 L, the Cutoff ratio is 1.6, the specific heat ratio is y=1.32 and the heat rejected is 410 kj/kg, the work done in kj per kg of air is?
art Il: Power Cycles & Fluid Assume an Otto cycle with compression ratio of CR = 9 1. The intake air is at 100kPa, 20°C, and the volume of the chamber is 500cm prior to the compression stroke. The temperature at the end of the adiabatic expansion is T. 800K. If air specific heat capacity at constant pressure of air at atmospheric pressure and room temperature is c 1.01KJ/kgK Specific heat capacity at constant volume of air at atmospheric pressure and room temperature: Cy = 0.718KJ/kgK Calculate: (i) the mass of the intake air (ii) the temperature T3, (iii) the pressure pa, (iv) the amount of heat added by burning fuel-air mixture (v) the thermal efficiency of the cycle;B (vi) the mean effective pressure (MEP).
It is desired to increase the compression ratio of spark ignition engine for 8 to 10. Assuming a ratio of constant pressure to constant volume specific heat to be 1.3, what will happen to the effeciency of the engine.?
An air-standard Spark Ignition cycle has a compression ratio of 10.2. Air is at 30000R at the end ofthe heat addition process. Neglecting the variation of specific heats with temperature, determine thefollowing:a. Net output work of the cycleb. Heat rejection per unit mass, Btu/lbc. Thermal efficiency of the cycle(%). Compare this efficiency value if the cycle has to run on an airstandard Carnot Cycle
In an ideal Diesel Cycle, the temperature of the air at the beginning of compression is 320 K and the pressure is 100 kPa. The maximum temperature of this cycle with isotropic compression ratio of 15 ; A-)2500K B-)2000K Find the temperatures and pressures that are not given according to the situation, the heat given for 1kg of air, the net work and the average effective pressure. Draw the diagrams P-v and T-S.
no. 3 question: A diesel engine powers a boat. The engine’s cylinders each have a compression ratio (Vmax/Vmin) of 12 and the Vmax is 4ft3. If 1 cylinderis in the isobaric compression stroke, find the final temperature if the initial temperature is 540F Main question: From number 3, if the gas tankaccident happened on top of Mt. Everest’s summit where patm is only 33.7 kpa and the readings obtained are the same, find the new finaltemperature

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

Q-2 An air-standard Diesel cycle has a compression ratio of 18.2. Air is at 27°C and o.IMPa at the beginning of the compression process and at 200ok at the end of the heat addition process. Determine @The cutoff ratio ⑥The heat rejection per unit mass thermal efficie