The engine designed by Lenoir was essentially an atmospheric engine based on the early steamengines. In this, a combustible mixture was contained in a cylinder: it was ignited and the pressureincreased isochorically to the maximum level. After this the gas expanded isentropically throughan expansion ratio, re, during which it produced work output. The air-standard cycle returned thegas to state 1 through an isochoric expansion to p₁ and an isobaric compression to V1.Assume p₁ = 1 bar, T₁ = 15 °C, p2 = 10 bar and the expansion ratio, re = 5. Calculate thespecific work output and thermal efficiency of this cycle. How does this compare with theefficiency of an equivalent Carnot cycle?[650.30 kJ/kg; 34.97%; 90.0%]

Answered: Image /qna-images/answer/1ebf0edc-2d18-4c5e-bbf1-032625a9f0af.jpg

Answered: The engine designed by Lenoir was…

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

A Joule cycle is used for electricity production in a power plant. Air is introduced to the cycle from the ambient with a pressure of 1 bar, and a temperature of 20 °C. The air is compressed in compressor C1 and is thereafter cooled down to 30 °C. The air is compressed again in compressor C2. The air passes through a regenerator where it is heated by exhaust gases. Heat is added by combustion of fuel in combustion chamber CC1. The air is thereafter expanded in turbine T1. The air is reheated in combustion chamber CC2. The air is expanded in turbine T2, and the exhaust gases after the turbine pass through the regenerator and is finally vented to the ambient. Turbine T2 is driving compressor C2. The net work from the cycle is produced by the difference between the work produced by turbine T1 and compressor C1. The regenerator efficiency is 0.80, the isentropic efficiency of the compressor is 0.83, and for the turbine 0.85. The temperature after CC1 and CC2 is tCC, the…
A Joule cycle is used for electricity production in a power plant. Air is introduced to the cycle from the ambient with a pressure of 1 bar, and a temperature of 20 °C. The air is compressed in compressor C1 and is thereafter cooled down to 30 °C. The air is compressed again in compressor C2. The air passes through a regenerator where it is heated by exhaust gases. Heat is added by combustion of fuel in combustion chamber CC1. The air is thereafter expanded in turbine T1. The air is reheated in combustion chamber CC2. The air is expanded in turbine T2, and the exhaust gases after the turbine pass through the regenerator and is finally vented to the ambient. Turbine T2 is driving compressor C2. The net work from the cycle is produced by the difference between the work produced by turbine T1 and compressor C1. The regenerator efficiency is 0.80, the isentropic efficiency of the compressor is 0.83, and for the turbine 0.85. The temperature after CC1 and CC2 is tCC, the pressure after…
A 4 cylinder, 4 liter compcompression-ignition engine operates on the air standard dual cycle. It uses light duel fuel at air fluid ratio of 18. The compression ratio of the engine is 16:1 and cylinder bore diameter is 10cm. At the start of the compression state, conditions in the cylinders are 60°C and 100kPa with a 2% exhaust residual. It can be assumed that half of the heat input from combustion is added at constant volume and half at constant pressure. Calculate: 1. Temperature and pressure at each state of the cycle. 2. Indicated thermal efficiency 3. Exhaust temperature 4. Air temperature in intake manifold 5. Engine volumetric deficiency
Q4: An aero engine is using octane C₁2H24 as a fuel. The temperature of the working fluid at the inlet and outlet of combustion chamber are Tor 650 K and To2= 1600 K. The fuel heating value is QHV= 42,800 kJ/kg. The specific heats of cold and hot streams are Cpc=1.005 kJ/(kg K) and Cph= 1.23 kJ/(kg K). Calculate the equivalence ratio. .
5. In an ideal Otto Cycle, the pressure at the beginning of the compression process is 15 psia, the temperature is 70F and the volume is 13.08 cubic feet. The maximum temperature of thre cycle is 2804F, and the heat supplied is 372 BTU. Using constant specific heat, calculate: a. The temperature at the beginning of the combustion, Rankine b. The compression ratio c. The temperature at the end of the expansion process in Rankine d. The net work of the cycle in BTU e. The thermal efficiency of the cycle in percent
Hello, I need help with the following problem!
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. 5. Calculate the thermal efficiency of the cycle
Draw a T-s diagram of a Rankine Cycle with superheat and reheat, with the reheat ending in a superheated condition. State the three relevant isobars of P:, PM, and P. and the superheated states and the reheat process.
4
An ideal Brayton cycle has a pressure ratio of 8. At the beginning of the compression process, air is at 300 K. If Tmax in the cycle is 1200 K, determine the temperature of air, in K, at the beginning of heat exchange processes. (Apply air-standard assumptions: variable specific heat)
Hi can you please help me with this question and its subparts? Please draw a schematic of the piston-cylinder device to start as well. I would like to understand visually how this works and then, the Carnot cycle as that is a brand new concept.
Show the ts diagram and complete and step by step solution. Thermodynamics subject.

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