a fluid undergoes the fallowing process 1. heated reveresible at a constant pressure of 1.05 bar until a specific volume of 0.1m^3 2. it is then compressed reversible considering to the law pv=c to pressure 4.2 bar. 3. it is then allowed to expand reversibley according to the law pv^(1.3)=c finely heated at constant volume back to intial state .the workdone at contant pressure process is 515Nm. calculate the net workdone by /on the fluid in the system and the mass of fluid present is 0.2 kg.

a fluid undergoes the fallowing process 1. heated reveresible at a constant pressure of 1.05 bar until a specific volume of 0.1m^3 2. it is then compressed reversible considering to the law pv=c to pressure 4.2 bar. 3. it is then allowed to expand reversibley according to the law pv^(1.3)=c finely heated at constant volume back to intial state .the workdone at contant pressure process is 515Nm. calculate the net workdone by /on the fluid in the system and the mass of fluid present is 0.2 kg.

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

Similar questions

Solve please, should 100% sure of ans. Air enters a well-insulated turbine operating at steady state with a negligible velocity at 4 MPa and 300 oC, It exits the turbine at 100 kPa pressure at 100 oC. The diameter of the exit pipe is 60 cm. The velocity at exit is 90 m/s. a. What is the volumetric flow are at the exit? Express your result in units of m3/s. b. What is the molar flow rate at the exit? Assume that at the exit conditions, air may be considered to behave like an ideal gas. Express your results in units of mols/s c. What is the mas flow rate? Express your result in units of kg/s.
The pressure of the air in a starting vessel is 40 bar and the temperature is 24°C. If a fire in the vicinity causes the temperature to rise to 65 °C. Neglect anyincrease in the volume of the vessel which is 5 liters. Please answer the following a. The thermodynamic process the problem representsb. the pressure, temperature, and volume after the processc. change in internal energy, change in enthalpy and change in entropyd. work nonflow and heat transferred
* :the initial quality (x1) is 2 kg of ammonia is contained in a rigid sealed tank at 10 °C. The surroundings temperature is 95 °C. The ammonia is now heated until all ammonia transferred to saturated vapor at 90 °C. Tank Ammonia, 2 kg Ti = 10°C T₂ = 90 c (Sat. Vap.) ₂ for Tsun. = 95 °C == Q Find Heat transfer of ammonia And total entropy of generation
An Isobaric process is done on steam where it is heated to 200 C at 1.1 MPa. It was initially a kilogram of saturated liquid. Find the change in volume, change in internal energy, change in enthalpy, and change in entropy. (0.1848 m3, 1837.31 kJ, 2040.66 kJ, 4.4609 kJ/k) Table 3. Vapor pt Sat.) 1.10 (I4.09) 1.15 (I6.07) 10 Set. 177.53 2586.4 2781.7 6.5535 170.13 2587.7 27833 6.5381 175 100 185 190 195 4.4726 172 50 2547.9 2757.6 175.28 2572 27710 178.02 25882 2784.0 6.3387 180.71 2598.1 2796.9 183.36 2607. 2809.5 14.20 2564 27336 164.91 25732 2767.2 3028 L69.37 23835 27405 6.5004 6.5866 6.6137 63603 6.5878 174.75 2605.4 2806.4 200 205 210 215 220 185.97 2617.4 2822.0 6.6401 188.56 2626.8 2834.2 6.6659 191.11 2636.1 2846.3 193.63 2645 3 28583 196.13 2654.3 2870.1 6.6911 6.7157 6.7398 177.28 2615.1 2819.0 6.6146 179.77 2624.6 28314 6.6407 182.24 2634.0 2843.6 6.6661 184.68 2643.3 2855.7 6.6910 187.09 2652.5 2867.6 6.7154 225 230 235 240 245 198.60 2663.3 28818 6.7634 201.05 2672.2 2893.4…
A monatomic ideal gas is compressed isothermally from a volume of 2.0m^3 to 1.0 m^3. The initial pressure is 20 kPa. a. Find the work done on the gas from initial state to final state. b. Find the change in the internal energy of the gas. c. Find the amount of heat exchanged.
kg). Q3. The steam at 215 bar and 500 °C is supplied to a steam turbine. It expands to 40 bar and 280 °c. It is then reheated to 490 °C and expands to 8 bar and 270 °C. The steam coming out from the second expansion of the turbine is further reheated to 490 °C and expands to condenser pressure of 0.07 bar. The steam entering into the condenser is dry saturated. Assuming the pressure losses in first heater of 1 bar and in second heater 0.5 bar, find (a) the thermal efficiency and power developed if the flow of steam is 10 kg/s (b) the isentropic efficiency of the expansion stages. Neglect the pump work. Mis-n-n (42.8 %, 1738 kW,78.5%,95.4 %, 87%) Q4. The steam nt 100
1 kg of steam at initial conditions of 5.1 MPa and 370 °C expands in a turbine until it becomes saturated. It is withdrawn and reheated to 340°C. After further expansion in the turbine to 160 , part of the steam is extracted for feedwater heating. The remaining steam expands to the condenser pressure of 0.018 MPa. find Wnet, Ec, Ee and the ideal steam rate. Remember, 1. For values taken from the steam tables: Use them as is, do not round off. 2. For values obtained by interpolation and final answers obtained by solving, use FOUR (4) decimal places. 3. PLEASE USE THE STEAM TABLE PROVIDED: https://drive.google.com/drive/folders/15t3WMv7xSTHmwXWXp0X2ZV6aYWhXuRCS?usp=sharing
Two vessels A and B of different sizes are connected by a pipe with a valve. Vessel A contains 142 L of air at 2,767.92 kPa, 93.330C. Vessel B, of unknown volume, contains air at 68.95 kPa, 4.440C. The valve is opened and, when the properties have been determined, it is found that pm = 1378.96 kPa, tm = 43.330C. What is the volume of vessel B?
3. Ten Ibm of an ideal gas is compressed in a piston-cylinder arrangement to 1/10 of its initial volume. The ideal gas has a molecular mass (M) of 25 and the ideal gas heat capacity is given by C, = 0.4 + 0.3 x 103 T-0.2 x 106 T² Btu/(lbm °R) where Tis in Rankine. If the initial state 1 is 5 psi and 80° F and the process is polytropic with n=1,3, what is the final (state 2) pressure in psi (8%), the final temperature in °R (8%), the work done in Btu (10%), and the internal energy change (rigorous integration of C. from Tj to T2 is required) (12%), and the heat transfer in Btu (2%) for the process? 人3 13. 1.3 3-R+V B20x (4) 20x0"- 1.3 = 399.1 Psi it
1. Two kilograms of air at a pressure of 2.25 MPa and temperature of 27C is heated atconstant volume to a final pressure of 2.5 MPa. Compute for the:a. Change in internal energyb. Change in enthalpyc. Change in entropyd. Heat transferrede. Non-flow work 2. In a constant pressure process, 325 KJ of heat are added to 6.55 kg of ideal gas(R=208 J/kg-K and k = 1.65) initially at 290 K. Calculate:a. Final Temperatureb. Change in enthalpyc. Change in internal energyd. Change in entropye. Non-flow work
For a system entropy is constant if initialvolume & Pressure of a gas is 10m^3 ,7 barrespectively. Final volume is 5m^3 then find the final pressure.
200Kg/min superheated steam at 40 bar and 350C enters a turbine through a 7.5cm ID pipe. It exits at 5bar as saturated steam through a 5cm ID pipe neglect the change in potential energy of the system. What is the temperature of the outlet saturated system? How much energy is transferred to or from the turbine?