Answered: find the work done in the whole process…

Engineering

Mechanical Engineering

find the work done in the whole process in kJ. Draw the P-V diagram for the cycle.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 30RQ: A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center,...

See similar textbooks

Related questions

Q: Four kg of air is contained in a piston-cylinder assembly at 400 kPa and 28 °C. The piston carries a…

Q: Air enters a compressor operating at steady state at 14.7 lbf/in.2 and 60°F and is compressed to a…

A: Given data as per question Initial pressure of air, P1=14.7 lbf/in2Initial temperature of air…

Q: The mass of CO2 is 0.066 kg in a system (with molar mass 44 kg/kmol), occupying a volume of 0.026 m3…

Q: Refrigerant 134a inside an insulated piston-cylinder assembly initially occupies 0.017 m at 0.6 MPa,…

Q: Q2/(A): What are the various types of open system ? BA particular substance undergoes a mechanically…

A: Open systems are those system in which both mass and energy interaction can takes place. All the…

Q: A three-process cycle uses 3 kg of air and undergoes the following processes: polytropic compression…

A: Given data: The mass of the air is m = 3 kg. The pressure of state 1 is p1 = 150 kPa. The…

Q: 50 moles of neon is enclosed in a cylinder with a movable piston. By placing the cylinder in contact…

A: To find: The value of Q,W,DU and Dh for each process and the whole cycle. Given: The process AB is…

Q: 4 Calculate the isothermal and polytropic work of a reciprocating compressor and thus deduce the…

A: given; initial volume(V1)=0.1m3initial pressure(P1)=1bar =100kpainitially…

Q: 3. A cup of coffee that has been left on a table to cool to room temperature. Is the process…

A: No this process is not reversible,because when coffee cooled down to room temperature the it will…

Q: During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the…

Q: Carbon monoxide (CO) gas within a piston cylinder assembly undergoes three processes in series.…

A: Process 1-2 PV=constantP1=5.75 bar v1=.2025 m3v2=1.1775 m3So work done during this…

Q: A closed constant-volume system receives 10Kj of paddle work. The system contains a nitrogen at…

A: Given data: P1=340 kPaT1=5°CV1=0.1 m3T2=127°CW=-10 kJ Need to determine the heat added or heat…

Q: QUESTION 18 In a piston cylinder system, fluid at 0.6 bar occupying 0.08 m³ is compressed reversibly…

A: Given data P1 = 0.6 bar V1 = 0.08 m3 P2 = 10.2 bar v2 = 0.4 m3/kg P3 = 3.0 bar To determine…

Q: 2.5 lbm of ammonia in a piston-cylinder assembly undergoes a refrigeration cycle consisting of 4…

A: Given data,

Q: A rigid tank A of volume 0.6 m ^ 3 contains 3 kg of water at 120 ° C and rigid tank B of V = 0.4 m ^…

Q: 2.8 bar and 40 C ideal R-134a at start in a Piston-Cylinder system fluid transport and initial…

A: Since you have asked a question with multiple parts in a single request, we would be answering only…

Q: 1. An ideal gas with R = 0.062- BTU undergoes a three BTU and Cy =0.158 the-R lb-"R process cycle in…

A: Given data:R = 0.062 BTUl b- °RCv = 0.158 BTUl b- °RThree process cycle1-2 Isothermal…

Q: 0.5 kg of Helium undergoes a cycle in a piston–cylinder assembly. Initial state: 2.2 MPa and 0.3 m3…

Q: EX Example 8.14 bar and 25°C and compresses it to 8 bar and 160°C. Heat transfer from the compres-…

Q: 3 kg of gas initially at 2.5 bar and 400 K receives 600 kJ of heat under constant volume process…

A: Given data as per question Mass of gas =3 kg The initial pressure of gas =2.5 bar The initial…

Q: For a certain gas R = 320 J/kg*K and cv = 0.84 kJ/kg*Kc (a) Find cp and k, (b) If 5 kg of this gas…

Q: Part A-Classical Type of Questions QI) In an ice-making plant, water at 0 °C is frozen at…

A: By applying the rating form of entropy balance of the system we can find out the rate of entropy…

Q: A Piston-Cylinder system initially contains R-134a refrigerant at a temperature of 2.8 bar and 40C°…

Q: 1. During a reversible process 320 kJ/s of heat are given off by 1.5 kg m /s of a certain gas while…

A: Answer: 1. (a) Final Volume: V2 = 0.10113 m3/s , (b) Non-flow work: W = -320 kJ/s , (c) ∆S =…

Q: R-134a enters a well-insulated diffuser as a saturated vapor at P, = 100 lbf/in2 with a velocity of…

A: Given: The pressure at the inlet of diffuser, P1 = 100 lbf/in^2 The velocity at the inlet of…

Q: 3kg of Co2 expanded in a stationary piston cylinder through a polytropic process from 30 degree…

A: T1= 30+273= 303K, m=3kgP1=250KPa, P2=100KPan=1.45T2T1= 1002501.45-11.45=228.014KTotal Work, W=…

Q: the Clausius statement, and vice versa QUESTION 26 reservoir and produce a net amount of work. and a…

A: To fill: The blanks of the problem. Given: The refrigerant used in the cycle is R134a. The mass of…

Q: In a Piston-Cylinder system, it initially contains 2.8 bar and 40 C temperature R-134a refrigerant…

Q: Q/Fluid at 15 bar is contained in a cylinder behind a piston, the initial volume being 0.01 m3.…

Q: An oxygen gas R = 0.2598 KJ/kg°k and k = 1.395. If 4 kg of oxygen undergo a reversible non flow…

Q: A boiler is used to generate steam. Water enters the boiler, saturated at 10°C at a rate of 5.2…

A: Given:- Water enters the boiler in saturated condition Inlet temperature = 10°C Mass flow rate (m)…

Q: As shown in the figure, a 260-ft³ tank contains 25 lb of H20 initially at 30 lbf/in2. The tank is…

Q: piston/cylinder contains air at 600 kPa, 290 K and a volume of 0.01 m3A constant- pressure process…

A: Initial Pressure = P1 = 600 KPa Initial Temperature = T1 = 290 K Initial Volume = V1 = 0.01 m3…

Q: Problem-4: When a system is taken from a state-a to a state-b, the figure along path a-c-b, 84 kJ of…

Q: gues pressure expansion at p = 4 bar to a final volume of V2 = 0.12 m³, while being slowly heated…

A: Solution :- Given data :- V1 = 0.1 m3V2 =0.12 m3p =4 barpatm = 1bar

Q: A piston cylinder device with stops as shown contains water initially at 25 C and 100 kPa "State 1".…

Q: Q1/ Find the equation for the work of a reversible, isothermal compression of ! mol of gas in a…

Q: (QA2) Air is fed to a perfectly insulated turbine at 6 bar and exits the turbine at 1 bar and 300 K.…

Q: 2. While the pressure remains constant at 689.5kPa, the volume of a system of air changes from 0.567…

A: Given Data P= 689.5 kPa= constant V1=0.567 m3 V2=0.283 m3

Q: Consider a turbine operating at steady-state with the operating conditions shown in the figure.…

A: (a) Write the formula for the net power generated in the turbine. W˙net=m˙h1-h2 Here, m˙ is the mass…

Q: A Piston-Cylinder system initially contains R-134a refrigerant at a temperature of 2.8 bar and 40°C…

A: Solution: Gas constant of R-134a R=0.08149kJ/kg.k a) Mass of the refrigerant…

Q: Consider the series of processes shown in the p-V diagram below for a piston-cylinder system. Given…

A: From the process 2 to 3, The work done in a process is the area under the curve in PV diagram.

Q: A rigid, insulated vessel is divided into two compartments connected by a valve. Initially, one…

A: Given data: V1=1 ft3P1=50 lbf/in2T1=650°RV2=2 ft2 Need to determine the final temperature of the air…

Q: (QA2) Air is fed to a perfectly insulated turbine at 6 bar and exits the turbine at 1 bar and 300 K.…

Q: Superheated steam enters a turbine at 7 MPa, 350 , and a mass flow rate of 5000 kg/h. Steam leaves…

A: Write the given data: P1=7 MPa=70 bar10 bar1 MPaT1=350 °Cm.=5000 kg/h=83.33 kg/sQ.lost=13 kW

Q: A rigid, insulated vessel is divided into two compartments connected by a valve. Initially, one…

Q: The following processes occur in a reversible thermodynamic cycie: 1-2: 0.2 kg heating at constant…

A: The answer is 0.577 bar (upto 3 decimal places)

Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

Between 1-2: Isothermal compression (1st process)
Between 2-3: Isometric compression (2nd process)
Between 3-1: Adiabatic expansion (3rd process) A cyclic process through which N2 gas, which is considered to be the ideal behaving, is treated, has been described above. In case 1, the volume of gas is 9.6 m3, pressure 200 kPa. Since the pressure in state 3 is 750 kPa, find the work done in the whole process in kJ. Draw the P-V diagram for the cycle.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Defining the problem

VIEW

Complete Solution

VIEW

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

2.5 lbm of ammonia in a piston-cylinder assembly undergoes a refrigeration cycle consisting of 4 processes: • Process 1-2: Adiabatic compression from a saturated vapor at 0°F to 70 lb/in", 100°F. • Process 2-3: Isobaric compression to a saturated liquid • Process 3-4: Polytropic expansion with n = 0.25 until TA =T • Process 4-1: Isobaric expansion (a) Sketch the cycle on p-v and T-v coordinates (b) Determine the work and heat transfer in each process, in BTU (c) Determine the coefficient of performance
104#1. an ideal gas with R=0.062 BTU/lbm-degree R and Cv=0.158 BTU/lbm-degree R undergoes athree process cycle in a cklose system. from the initial state of 20 psia and 570degree R, the gas is compressed at coinstant pressure to 1/5 of its initial volume, process 1-2; it is then heated isochrocally to state 3, process 2-3; and finally, it expands polytopically with index n=1.5 back to its initial state, process 3-1. determine the pressure, specific volumes and temperatures at cardinal points around the cycle and the cycle thermal efficiency.
Assumptions: 1. The water is a closed system 2. The initial and final states are at equilibrium. There is no net change in kinetic or potential energy. 3. There is no heat transfer with the surroundings 4. The tank volume remains constant Known: By rapid stirring, water vapor in a well-insulated tank is brought from the saturated vapor state at 212 oF to a pressure of 20 psi. Find: Determine the temperature at the final state and the work.
Thermodynamics A Piston-Cylinder system initially contains R-134a refrigerant at a temperature of 2.8 bar and 40C° and its initial volume is 0.1 m3. First, heat is transferred to the system by keeping the piston constant and this process is continued until the pressure is 3.2 bar. the process is maintained by allowing the volume to change. At the end of this process, the temperature reaches 50C° . Assuming the state changes as if balanced, calculate the following: a) Calculate the mass of R-134a refrigerant in the system b) the amount of heat transferred during constant volume operation
The figure belows shows three components of an air-conditioning system, where T3= 115°F and m˙3= 1.5 lb/s. Refrigerant 134a flows through a throttling valve and a heat exchanger while air flows through a fan and the same heat exchanger. Data for steady-state operation are given on the figure. There is no significant heat transfer between any of the components and the surroundings. Kinetic and potential energy effects are negligible. Modeling air as an ideal gas with constant cp = 0.240 Btu/lb · °R, determine the mass flow rate of the air, in lb/s.
A three-process cycle uses 3 kg of air and undergoes the following processes: polytropic compression from state 1 to state 2, where p1 = 150 kPa, T1 - 380 K, p2 = 750 kPa, and n = 1.2; constant-pressure cooling from state 2 to state 3; and constant-temperature heating from state 3 to state 1, completing the cycle. Find the temperatures, pressure and volumes at each state and determine the process and cycle heat and work.
The Figure shows a solar collector panel embedded in a roof. The panel, which has a surface area of 24 ft2, receives energy from the sun at a rate of 200 Btu/h per ft2 of collector surface. Twenty-five percent of the incoming energy is lost to the surroundings. The remaining energy is used to heat domestic hot water from 90 to 120°F. The water passes through the solar collector with a negligible pressure drop. Neglecting kinetic and potential effects, determine at steady state how many gallons of water at 120°F the collector generates per hour.
Thermodynamics - sketch the device sketch at states 1 and 2. Plot and label the process on a P-v diagram. 6.136E. Helium in a piston/cylinder at 70 F, 20 psia is brought to 720 R in a reversible polytropic process with exponent n = 1.25. Find the final pressure and both the specific heat transfer and the specific work.
11. an ideal gas with MW= 33 is contained in a flexible tank. it is heated from 258.71 C to 559.35 C. if the change in internal energy is 178 kJ/kg, what is work in kJ/kg
A furnace heats water at a saturated state with a pressure of 1 bar. How much heat is given When the water condition in the tank is 15 bar and 500°C. Specify: a) Heat needed? b) Internal changes in energy? c) Work done?
A piston-cylinder device contains 2 kg of water which is initially a saturated liquid at 300 ∘ C. It undergoes three processes to form a cycle. The first process is constant volume, the second is constant pressure at 2 bar and the third is a polytropic process where Pv 1.1 = constant. If you can calculate the heat transfer and work (both in kJ ) for each process. Is the device a heat engine or a refrigerator? Answer Table Description Work transfer for first process (kJ) Heat transfer for first process (kJ) Work transfer for second process (kJ) Heat transfer for second process (kJ) Work transfer for third process (kJ) Heat transfer for third process (kJ) Heat engine (1) or refrigerator (2) Value Value Thank you
A rigid tank A of volume 0.6 m ^ 3 contains 3 kg of water at 120 ° C and rigid tank B of V = 0.4 m ^ 3 contains water at 600 kPa and 200 ° C.The tanks are connected to a cylinder-piston system initially empty when the valves are closed. The pressure in the cylinder must be 800 kPa for the piston to float. Now the valves open slowly and heat is transferred so that the water reaches a steady state of 250 ° C with the valves open. Find the final volume and final pressure, work, and heat transferred during the process.