) Rate of heat rejection from the turbine
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- 324000 kg/r. Determine Hu work aut- veloči tng of 16 m/one 42 3. Steam enters a turtoine with a and specifie enthal py (e990 kJ/kg).Thhe steam teaves turbine witn a velocisty of 37 m/s and specifie enthad py of 2530 K3/ng. The heat lust to the surroundings steam passes through the turbine. is (25k3/xg). The steam flow rate is -Put from the turbine in as the KWs.3. Steam enters a turtsine with a and specifie enthalpy ( e990 KT/ng). The steam leaves . turbine with a steam flow rate is 324000 kg/hr. Detersnine Hue work out- 42 velociting of 16 mfane velocity of 37 ms and specfic enthal py of 2530 K3/ng. Tha heat lust to the surroundings steam passes thirough the turbine is (25 K3/xg). The as the KWs. -Put From the turbine inA air Compressor lequires a power input Of 1400 kW andask It Operates adialatically. The air İS compressed from 300 K and atmosp heric pressure to an exit presure of 20 atm, and the air leaves he comp ressor at a speed of 200 m/SecT DAssume that the air is an ideal gas and the inlet velocitey is m negligibly small, but do not ašsume that the specific heats rl are čonstant. if the mass flow rate is 2 kg/sec, calculate it the air temperature at the exit in figires. wsing 5 synifigant °C
- Pls. Answer this..? A steam engine has 10% brake thermal efficiency and consumes 750 kg/hr steam. The enthalpy of steam at the entrance ang exit of the engine and condenser are 2800 and 450 kj/kg repectively. Determine the brake power of the engine in kw.Qs: 1 leg of air is allowed to expand reversibly in a behind a piston in such constant at 2602 lwhile the volume is doubled. The piston iis then moved in, and heat is regected by cylinder that the temp erature vemains away the air reversidly until the volume is the same asit was at constant 0 ini tially. Calculate the net heat flow and the overall change of entropy Sketel the process on T.s diagram. pressure Ans. [-161.9 J -- 0.497 les kg.kPls answer thank you! Steam enters the turbine at the rate of 2.5 kg/s with enthalpy of 3200 kj/kg and exhaust enthalpy of 1100 kj/kg . Steam is extracted from the turbine at the rate of 1 kg/s for heating purposes with enthalpy of 2750 kj/kg. What is the turbine work in KW.
- 42 velocity of 16 mfeone 3. Steam enters a turtoine with a and specifie enthalpy (e990 KT/ng).The steam Teaves t. turbine witn a 324000 kg/hr. Determine +He work aut - velocisty of 37 m/s and speific enthad py of 2530 KJ/ng- The heat lust to the surroundings as the steam passes through the turbine io (25 k3/vn). The' steam flow rate is -Put from the turbine in Kws.NSTANT TEMPERATURE PROCESS (ISOTHERMAL) 5. Steam at 200 C and with an entropy of 5.6105 KI/kg-Kexpands isothermally to 0.515 MPa. Far 5 kg ta) what are AS, AH, and Au? Determine a and w (b) for a nonflow process, (c) for a steady flow process with AK = 0. JOSHUA FRONDA) 6. Water vapor at 100 KPa and 150 "Cis compressed isothermally until half the vapor has condensed. How much work must be performed on the steam in this compression process per kilogram. (FRANCIS GUEVAARA) VERSIBLE ADIABATIC PROCESS (CONSTANT ENTROPY - ISENTROPIC) 7. Steam flows isentropically through a nozzle from 1500 kPa, 288°C to 960 kPa. For 454 /s determine (a) t, (b) AV (c) Work, and (d) AK. (YRICKA INDONILA) 8 A steam turbine receives 0.52 MPa of a steam at 300"C. Then expand in an irreversible adiabatic process to a4) A gos tubre Ahe orking sebslance Durirg the alort d the compraico,he compression, the pescue d 500LR The conditoo of the atld of tomperahune of gos is at 340k ord ompresskn proces adobalic with geo 650k ond 193OKR. The wotona subatonce le hsted ord entoed the turbine at 1400k ond kzokR ond enronde adiabalically to 900k Ond 490HR. Detrmne: The compresor Ond turbine fictres oe achol compressor ond turbire vork o ho nakd the cyce c Te thond ficey c) Acunng that a domme the w Drow the schonadk dicgrom regoroabr is installed with 85% Hocticnes, thermal ficions
- Air enters an insulated compressor at ambient conditions, 100 kPa, 20oC at the rate of0.2 kg/s and exits at 500 K. The isentropic efficiency of the compressor is 70%. Whatis the exit pressure? How much power is required to drive the compressor? Assumespecific heats at room temperatures.100 C² saturated steam enters the turbine Vapour at 6 MPa and Sahared liquidenters the pump at apressure of 0.01 MPa If the Detemain as heat rate to borler is ISO MU D thermal offAn adiabatic turbine with a continuous flow of water vapor has a pressure of 10 MPa andIt enters at a temperature of 500 ° C, 10 kPa pressure and 90 percent drynessIt comes out with the degree. Kinetic and potential energy changesthe mass required for the turbine to produce 5 MW of powerCalculate the flow rate.