Question: 1- Air undergoes a polytropic compression in a piston-cylinder assembly from p, = 1 bar, T = 22 C to p; = 5.5 bars.

1- Air undergoes a polytropic compression in a piston-cylinder assembly from p, = 1 bar, T = 22 C to p; = 5.5 bars.

1- Air undergoes a polytropic compression in a piston-cylinder assembly from p, = 1 bar, T = 22 C to p; = 5.5 bars. Employing the ideal gas model, determine the work and heat transfer per unit mass, in kJ/kg, if n= 1.3. Useful I data: Y= C/C 1.4 Gas Molar mass- M-, kg/k mol Air 28.97 32 Butane (CH10) Nitrogen (N) oxygen 1.4 58 1.1 28 1.4 Methane (CH.) 16 1.32 Universal gas constant = 8.314 kJ / kmol. K 1 bar = 100 kPa For liquid waterh = 4.18 *t, kJkg where t in C Water density 1000 kg/m %3D

Step by Step Solution

★★★★★

3.53 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To solve this problem we need to determine the work and heat transfer during a polytropic process fo... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mechanical Engineering Questions!

A piston/cylinder contains 2 kg of air at 27C, 200 kPa, shown in Fig. P5.75. The piston is loaded with a linear spring, mass and the atmosphere. Stops are mounted so that V stop...

A cylinder containing R-134a at 10C, 150 kPa has an initial volume of 20 L. A piston compresses the R-134a in a reversible, isothermal process until it reaches the saturated vapor state....

Determine the rate of heat transfer per unit length from a 5-cm-OD pipe at 150?C placed eccentrically within a larger cylinder of 85% Magnesia wool as shown in the sketch. The outside diameter of the...

Medical grade oxygen has become a product of national priority now. Oxygen concentration based on pressure swing adsorption is quickly becoming an obsolete technology. You are asked to dissect a...

1 Rillinsham Parkaging is considering expanding its production capacity by purchasing a new machine, the XC-750. The cost of the XC-750 is $2.81 million. Unfortunately, installing this machine will...

Please quality check my solutions for this advanced heat transfer problem. Show all work. Thank you. All original documents are located at the bottom. 3.9 COMPACT HEAT EXCHANGERS 3.9.10-1 3.9.10...

Two major themes from the introduction to module 4 are "Project Management" and "Managing Risk." Discuss, in depth, your analysis of the company's actions in relation to the concepts of these two...

18. What do you call that graph of a mechanical system's potential energy which is easily accomplished in a one-dimensional system? A. Energy diagram B. Potential energy diagram C. Gravitational...

Air, an ideal gas, initially at 2 5 0 K and 3 6 0 kPa ( state 1 ) is enclosed in a piston / cylinder device and undergoes the following processes: 1 2 Constant pressure expansion until the volume is...

Analyze the case study from a reliability, Quality and Safety perspective. Detaild synopsis of the case study in addition to critical analysis. Please do the relevant back ground research and also...

Q.1) In the slider-crank mechanism shown in the figure, crank (2) rotates with constant angular velocity o, =10r/s. For the given position, a) (7p) Find F23 force vector, due to only the effect of...

(a) Total investment risk can be broken down into two types of risk. What are these two types of risk and which should NOT affect expected return? (5 points) (b) A firm has a beta of 1.3. The...

The ability to discern that a single blurry object is really two separate items is called

34. Research has shown that peoples attitudes are affected by how they are treated by the police and not necessarily by the outcome of the interaction. True False

33. Mediation of a citizen complaint against the police is a court-ordered process in which the complainant and the officer meet face-to-face. True False

32. __________ Americans have the least amount of contact with the police, compared with other racial and ethnic groups. Indian African White Asian

30. Social and cultural capital have huge implications for individuals, their status in life, their prospects for the future, and also their likelihood of becoming criminals. True False

30. Which of the following is NOT part of a communitys social structure? The spatial distribution of the population The rate of population fluctuations The composition of local neighborhoods Patterns...

which of the following are reasons that a contract might be unenforceable

1 A closed system consisting of 10 lb of air undergoes a polytropic process from p1 = 65 Ibf/in2, v1 = 4 ft3/lb to a final state where p2 = 20 Ibf/in2, v2 = 10 ft3/lb. Determine the polytropic...

A piston-cylinder assembly with 2.5kg air undergoes the following cycle:\ Process 1-2: polytropic with n=1 from P_(1)=3 bar and V_(1)=0.12m^(3) to V_(2)=0.37m^(3) .\ Process 2-3: isochoric heating to...

2. Compressed air at a pressure of 10 bar is used at the rate of 0.2 m 3 min-1 . If the air is compressed from a pressure of 1 bar and temperature of 22C at an index of compression of 1.26,...

Steam, initially at 700 lbf/in.2,550F undergoes a polytropic process in a piston-cylinder assembly to a final pressure of 3600 lbf/in.2 Kinetic and potential energy effects are negligible. a...

Question 5 of 13 0.67/1 View Policies Show Attempt History Current Attempt in Progress Air undergoes a polytropic process in a piston-cylinder assembly from P: = 1 bar, T1 = 295 K to P2 = 3 bar. The...

A certain fixed-mass system contains mass, m = 1.022597356 kgs of water, and undergoes a polytropic process from state 1 to state 2. Given are: Polytropic exponent n = 0. T = 600 C (temperature at...