H.WExample 3 Steam enters an adiabatic turbine at 450°Cand 20 MPa with the mass flow rate of 0.5 kg/s andleaves at 10 kPa and 85% quality. Assume changesin kinetic and potential are negligible, determine thework produces by the turbine.SteamP₁ = 20 MPa450T₁ = 350°Cm= 0.5 kg/sTurbine9=0P₂ = 10 kPaX2= 0.85Control Volume: TurbineAssumptions:SSSF Process9cv = 0, AKE =0,APE = 0,CVSolution:apply 1st law SSSF Proc.q+h+V+zg=w+ h; + ½ V²+zegih₁ =w+h₂ → w = h₁- h₂and steam table2state 2 → mixture, h = h₂+x₂hfg

The given parameters are: Initial pressure P1 = 20 MPa, Initial temperature T1 = 450°C, Mass flow…

Answered: H.W Example 3 Steam enters an adiabatic…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A reversible non-flow process occurs from which the work is 9.4 BTU. If the pressure 100 varies as P = -V² + , psi (where V is V in ft), and P, = 46 psi, determine P2 in psi.
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A reversible non-flow process occurs from which the work is 9.4 BTU. If the pressure varies as P = -V² + (100/V), psi (where V is in ft³), and P₁ 46 psi, determine P2 in psi.
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If you had an uninsulated air compressor which required Win = 400 kW to take air from a state at 80 kPa and 20 °C and change it to a state at 800 kPa and 200 °C, what would the Q be? Assume the air enters via a 10 cm diameter pipe at 20 m/s. (a) -171 kW (b)-198 kW (c) -233 kW (d) -263 kW
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As shown in the figure below, water behind a dam enters an intake pipe at a pressure of 24 psia and velocity of 5 ft/s, flows through a hydraulic turbine-generator, and exits at a point z1 = 120ft below the intake at 19 psia, 45 ft/s, and a specific volume of 0.01602 ft/lb. The diameter of the exit pipe is 5 ft and the local acceleration of gravity is 32.2 ft/s?. Water Dam P = 24 psia V-5 f/s Generator Turbine P- 19 psia = 0.01602 nAb V,-45 t/s Dz-5ft Water Evaluating the electricity generated at 8.5 cents per kW - h, determine the value of the power produced, in $/day, for operation at steady state and in the absence of internal irreversibilities. Value = $ /day
Q1) In a turbine-compressor system, the steam enter the adiabatic turbine at 3 MPa, 500°C, and velocity 50 m/s. The exit condition of the steam are 20 kPa, ve = 46.231962 m³ /kg, and velocity 40 m/s. The turbine operate insulated compressor to deliver 120 kPa, 47°C, and velocity 10 m/s of air to the high pressure at 500K. determine the compressor outlet velocity. Steam Turbine Compressor Air

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