7. The figure shows the thermodynamic cycle of an engine. The efficiency of this engine for monatomic gasis: In(T2/T 1) -(1 -T1/T2) In(T2/T1) +(1-T1/T2)/(y - 1) where Tis the absolute temperature and y =5/3. Find T2/T, that results in 30% efficiency (n =0.3). P. Isothermal Heating at constant volume expansion TVolume reGuced 2 by cooling

7. The figure shows the thermodynamic cycle of an engine. The efficiency of this engine for monatomic gasis: In(T2/T 1) -(1 -T1/T2) In(T2/T1) +(1-T1/T2)/(y - 1) where Tis the absolute temperature and y =5/3. Find T2/T, that results in 30% efficiency (n =0.3). P. Isothermal Heating at constant volume expansion TVolume reGuced 2 by cooling

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: 1-2 Draw a careful sketch of a Carnot cycle of an ideal gas on a g-s diagram. Label each process and…

A: A carnot cycle is a reversible ideal cycle with highest efficiency working between the two…

Q: Draw the T-S diagram and enumerate the thermodynamic analysis of each state point.

A: It is asked to draw T-S diagram

Q: A-B: isovolumetric transformation from pressure PA and volume VA to pressure PB-2 PA B-C: isobaric…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: e steps of a reversible Stirling engine are as follows. For this problem, we will use 0. mol…

A: 0.0010 mol of monoatomic gasTemperature =133Cvolume=0.10m3 To-Find:- a. PV diagram b. Fill the…

Q: diatomic gas follows the cycle shown in the figu

Q: 500 MMSCFD of supercritical steam generated in the steam generator (shown in the sketch below) at…

Q: hermodynamic cycle diesel solutions. You need a solution after 30 minutes

Q: Qh=500kj

A: 5

Q: An ideal Brayton cycle has a pressure ratio of 6:1. The temperature of the air is 28 °C at the inlet…

Q: The Otto engine intakes 0.4 kg of air at 100 kPa and 300 K. The air is compressed compression ratio…

A: Disclaimer: “Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: 500 MMSCFD of supercritical steam generated in the steam generator (shown in the sketch below) at…

A: Note: As per Guidelines only 3 part will be answered, please post again this question and asked for…

Q: For the Carnot engine shown on the left: PB = 2.5 atm; VA = 1 L, VB = 2.4 L, VC = 6 L, VD = 2.5 L.…

A: find carnot efficiency=?

Q: One way to augment thrust is to add a reheat or afterburning system. For an afterburning gas…

A: Both standard T-s diagram without afterburner and modified T-s diagram with afterburner are shown.…

Q: Air operating in a closed cycle consists of the following processes. Process 1-2: Reversible…

A: Isentropic compression:- It is an adiabatic process where decrease in volume results in increase in…

Q: A heat engine constructed with one mole of an ideal monatomic gas operates on a re- versible cycle a…

Q: The temperature at the end of adiabatic compression of a Diesel engine with a compression ratio of…

A: Introduction One of the air-standard cycles that treat air as a working fuel is the diesel cycle. In…

Q: A jet engine consists of a diffuser, compressor, combustor, turbine, and nozzle. Flow in the…

A: The objective of the question is to find the air temperatures, pressures, and the speed of air…

Q: What is the efficiency of the Diesel engine if the heat added during the constant pressure…

A: Given :heat added during the constant pressure combustion heat rejected To find: efficiency of the…

Q: 2. Calculate the thermal efficiency of the cycle. O.375 kƆ/kg 3. Calculate the maximum thermal…

A: Determine the maximum thermal efficiency.

Q: Calculate the efficiency of a powerplant operating at a high temperature of 580oC and a low…

A: Given:- TH =580oC =580+273= 853K TL=60 oC=60+273= 333K To find:- Efficiency

Question

7. The figure shows the thermodynamic cycle of an engine. The efficiency of this engine for monatomic gasis:
In(T2/T1) -(1 - T1/T2)
In(T2/T1) +(1 -T1/T2)/(y - 1)
where Tis the absolute temperature and y = 5/3. Find T2/T,that results in 30% efficiency (n =0.3).
Heating at
constant volume
Isothermal
expansion
TVolume reduced
by cooling
V,

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

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 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

Shown in the figure below is the cycle undergone by a Refrigerator. Your fridge runs using 33.86 moles of monatomic Argon gas. At point a in the figure, the temperature is Ta = 428 Kelvin and the pressure is Pa = 198000 Pascals. During the process a→b, the Volume of the system Triples.CV = Joules/(mole · K);CP = Joules/(mole · K);? = STATE P (Pa) V (m3) T (K) a b c PROCESS W (J) Q (J) ΔU (J) a→b b→c c→a Total Qhot = Joules;Qcold = Joules;Performance Coefficient =
9-11 Jet Porpulsion - Applied Thermodynamics A turbojet is flying with a velocity of 900 ft/s at an altitude of 20,000 ft, where the ambient conditions are 7 psia and 10°F. The pressure ratio across the compressor is 13, and the temperature at the turbine inlet is 2340 R. Assume ideal operation for all components and constant specific heats for air at room temperature. The properties of air at room temperature are cp = 0.24 Btu/lbm·R and k = 1.4. Question: Determine the pressure at the turbine exit. In psia
Hi I would appreciate any help with this thermo procatice problem 2 kg of air in a piston cylinder initially at P1=101 kPa, T1= 300 K undergoes a cycle made up of three processes: 1-2 Isothermal compression until the volume is (1/15) of its original value.2-3 Constant Pressure heating3-1 Isentropic Expansion back to the initial state Assume air is an ideal gas with constant specific heats with the following values: Cpo=1.027kJ/kgK; Cvo= 0.740 kJ/kgK; R=0.287 kJ/kgK; ɣ=1.388 Fill in the state and processes table below and show all work.
A refrigerator operates according to a Brayton cycle, diagrammed below. The gas conditions (gamma=1.4) at point 1 are P1,V1 and T1=100K. It is known that V1 =10V2=5V3=V4/2.Consider that Tf is the temperature of the cold source and Tq is the temperature of the hot source. It is known that Tq and Tf are, respectively, the maximum and minimum possible for the refrigerator to operate under these conditions. reservoirs would have a coefficient of performance closer to:
The last three questions: B, C, and D
Determine Ws, Q, and ΔEth for process 1→2, 2→3 and 3→1 What is the thermal efficiency of this heat engine? What is the power output of the engine if it runs at 300 rpmrpm ?
I just need help with parts (f), (g), (h) and (i) Problem 6: A certain gasoline engine is modeled as a monatomic ideal gas undergoing an Otto cycle, represented by the p-V diagram shown in the figure. The initial pressure, volume, and temperature are p1 = 0.95 × 105 Pa, V1 = 0.025 m3, and T1 = 310 K, respectively. Part (a) Calculate the number of moles times the gas constant, nR, in joules per kelvin, to three significant figures, using the ideal-gas law and the initial values of pressure, volume, and temperature. This quantity will be useful for later calculations. nR = 7.7 Part (b) The first step in the Otto cycle is adiabatic compression. Enter an expression for the work performed on the gas during the first step, in terms of V1, V2, and p1. W1→2 = p1 V1 ( ( V1/V2 )( 2/3 ) - 1 )/( 2/3 ) Part (c) Calculate the work performed on the gas during the first step, in joules, for V2 = V1/6.2. W1→2 = 8460.58 Part (d) Calculate the temperature of the gas, in…
Thermodynamics question
Shown in the figure below is the cycle undergone by a Heat Pump. Your heat pump runs using 38.55 moles of monatomic Helium gas. At point a in the figure, the temperature is T₂ = 321 Kelvin and the pressure is Pa = 216000 Pascals. During the process a→b, the Volume of the system Quadruples. P Cv= Cp Y = C с a STATE a b isothermal P (Pa) b V Joules/(mole. K); Joules/(mole K); V (m³) T (K) PROCESS W (J) a-b b-c c-a Total Qhot = Qcold = Performance Coefficient = Joules; Joules; Q (J) AU (J) Activate Windows Go to Settings to activate Window
The compression ratio of an Otto cycle as shown in the figure below is VA/VB = 9.00. At the beginning A of the compression process, 505 cm3 of gas is at 115 kPa and 20.0°C. At the beginning of the adiabatic expansion, the temperature is TC = 725°C. Model the working fluid as an ideal gas with ? = 1.40.
A cycle has a qin=350Btu/lbm, and a thermal efficiency of 74%. In this case, the expected heat rejected qout is most likely: 320 Btu/lbm 90 Btu/lbm 350 Btu/lbm 260 Btu/lbm
Q1: An engineer claimed that his device produces two streams of 1 am air (outlet 1) and 1.5 atm (outlet 2) at temperatures of 460 °R and 635 °R, respectively, if he enters 530 °R of the air at 5.1 atm. If the ratio of outlet 2 to outlet 1 is 0.6, justify the engineer's claim. Assume ideal gas process with a constant heat capacity of 0.24 Btu/lb.°R.