BOILER69P₁ = 10 MPaT₁ = 600°C.+RBINE734P₂=/2.8 Ma71 MPaGENERATORP401 MPa·5 P= 0.05MPaCONDENSERBy 706本PUMPIPEEPWATERPurp 3FED WATERFEEDWATERHEATER IHATER 2&HEATER ?PUMP 4Required: A. Enthalpies: (from h₁ to hB, )B. Draw the actual T s diagramC. For the ideal cycle: H to welv tej TS sup1. extraction masses (m₂, m3, m4)2. e13. ecD. For the actual cycle: T = 90%; n = 85% ; ng = 80%A. WI5. BHR6. ek7. KHR

To solve this problem, we need to make some assumptions and use thermodynamic principles and…

Answered: BOILER 69 P₁ = 10 MPa T₁ = 600°C. +…

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

Chapter46: Room Air Conditioners

Section: Chapter Questions

Problem 15RQ

See similar textbooks

Similar questions

3. A water-tube boiler having a heating surface of 325.23 m² evaporates 6349.21 kg of water in an hour from a feed temperature of 66 °C. Boiler pressure is at 1.04 MPaa and the steam quality at the boiler outlet is 99 %. What percent of its rated Bo. Hp was the boiler developing?
(p) W2 T n2 In a four stage compressor, if the pressure at the first and third stage are 1 bar and 16 bar the to the delivery pressure at the fourth stage will be anteiceol y6) 16 bar 70. For a two stage reciprocating compressor, compression from (a) 1 bar (c) 64 bar (d) 256 bar and no pressure losses. If con
Use R12 refrigerantTconderser= 31oC Tevaporator= -22oC Temp @ state 5 is = 1oC Qa= 20.01TR Draw PH diagram and solve for COP
In a three-stage compressor, the pressure ratio in each stage is equal and its value is 1.3, the first inlet temperature to stage 300K, outlet pressure from first stage 1000mmHg, , Polytropic yield 0.92. m C1 C2 = C2s C3 C3s = 500 "It s Isentropic exponent=1.4, coefficient of heating heat under constant pressure= 1005 kgK' your mercury density= 13550 and gravitational acceleration= 9.81 m3 m3 a) Find the actual and isentropic temperature of the exit from the 1st stage. b) Find the actual and isentropic temperatures of the exit temperatures from the 2nd stage. c) Find the real and isentropic work consumed in Stage 2. d) Put the available data and your calculations in the compressor (h-s) diagram.
Q1/Refrigeration system uses Freon R-134a, evaporating temperature is (-10 C ), condensing temperature is (35 C) From, chart of R 134a, the properties h1 = 392 kJ / kg, h2 = 421 %3D kJ/ kg, h3 = h4 = h3 = 249 kJ/kg. A- Estimate coefficient of performance COP 1.22 4.93 O 6.72 O 2.26 O 7.55 O
Find the following: a.Steam temperature in degree celsius b.entropy of steam at the turbine in exit in kJ/kg c. Entropy of saturated liquid at condenser temperature in kJ/kg d. Sfg in kJ/kgK at condenser temperature. e.hf at condenser temperature f. hfg at the condenser temperature g. Specific volume of the condensate h. Quality of the steam at the turbine exit
Ans. 3908 m/min. 14.5 Find the cylinder dimensions of a single-cylinder, double-acting compressor handling 28.32 e/revolution of air from 99.975 kPaa to 723.954 kPaa. Compression and reexpansion are in accordance with PV135 = C. Use the conventional volumetric efficiency; c = 5% and L/D = 1. %3D %3D
IS meve7STBle (If Te=TE a reversible process ) S,. S; = SS: Creversible adiabatic) the process 2-→ ź P=c = loos h 423 =0.0355 Ig1lg.c 408 If AS >o irreversible process > =0 reversible process for adiabatic o imposi ble process process H.w: 1. Caleuate the change of entropyot dng of aiv espording polytropically in acylindes belind apston from 6.3 bar and 550'e to 1.05 bor The inder of expanston is 1-3 . kg et Carbone dioxide (M=44) is compressed trom I bor d 15Ć until the presure is 8:3 bar and the volume is then o-0oum. calculate the change of entropy. Take : Cp= o-88 5 |2. o 05 University of Anbar College of Engineering Mechanionl Enginerng Depertment 2 Year (Sophomore year) THIERMODYNAMICS L ME2307 Instructor: Asst. Prof. Dr. Saad M. Jalil Page Na. (Sheet No. 6) Q1: A rigid cylinder containing o.o06ni of nitrogen at 1.04 bar, 15c, is heated reversibly until the temperature is 90'c. Calculate the change of entropy and the heat supplied Sketch the processon perfect gas- Ts diagram.…
HVAC UPVOTE WILL BE GIVEN. ANSWERS ARE GIVEN ALREADY. PLEASE WRITE THE COMPLETE SOLUTIONS. 2. A room being air conditioned is held at 25°C db & 50% RH. A flow rate of 5m³/s of supply air at 15°C db & 80% RH is being delivered to the room to maintain steady condition at 100 kpa. What is the sensible heat absorbed from the room air in kw? 2. A room being air conditioned is held at 25°C db & 50% RH. A flow rate of 5m³/s of supply air at 15°C db & 80% RH is being delivered to the room to maintain steady condition at lookpa. What is the sensible heat absorbed from the room air in kw? a) 50.8 b) 60.8 c) 40.5 d) 70.9 c)40.5 d) 70.9
An ammonia simple vapor operator between evaporator and condenser temperature of 20 C and 35 C respectively. the system used introducing 5000kg of sec in 20 hours. a 100x200 mm compressor with a compressor efficiency of 80% and electric input to the motor driving the compressor is 14 kw motor efficiency is 90%, determine heat, (b) work indicated (c) brake work (d) mechanical efficiency
Write legibly, provide manual step by step solution, and diagram for below given problem. Steam enters a turbine at 1.4 Mpa and 320. The turbine internal efficiency is 70%, and the total requirement is 800 kw. The exhaust is to the back pressure system, maintains at 175kpa. Find the stean flow rate. a. 2.62 kg/s c. 3.23 kg/sb. 4.23 kg/s d. 5.34 kg/s
8tendy-flow System with velocity 30 mls and leaves with veloci ty properties of the flaid ave at entry, 13.8 bar, 0.122 m² A working uld enters a 140 mis The mass flow rate is 9iegis The • Internal are l035 bara o805 m²/ kg c internal 422 1gIkg, and exit properties 200 Tg energy entigy The heat trans fer from the System is 4.22 l9 169 Determine Hthe work traNsfer in Kw from the System Ans [2565 kw] 17/40

SEE MORE QUESTIONS

Recommended textbooks for you

Refrigeration and Air Conditioning Technology (Mi…

Mechanical Engineering

ISBN:

9781305578296

Author:

John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:

Cengage Learning