For an application for a Mechanical Engineering Internship Programme, a Mechanical Engineer must complete an existing...

 

 

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For an application for a Mechanical Engineering Internship Programme, a Mechanical Engineer must complete an existing design and build power generation project problem. In the plant, steam was supplied, dry saturated at 40 bar to a turbine and the condenser pressure was 0.035 bar. In the application: a) Explain system parameters using the non-flow energy equation. b) Derive the steady flow energy equation from 1st principles, defining all parameters and assumptions used. c) Produce specific Steady Flow Energy Equations based on stated assumptions in plant equipment. Include in your solution a brief description of the purpose and operating principles of each piece of plant equipment, state assumptions for every equation and define all parameters used. If the plant operated on the Rankine cycle, calculate, per kilogram of steam: i The work output neglecting the feed-pump work ii The work required for the feed pump iii The heat transferred to the condenser cooling water, and the amount of cooling water required through the condenser if the temperature rise of the water is assumed to be 5.5K iv The heat supplied v The Rankine efficiency vi The specific steam consumption d) For the same steam conditions, calculate the efficiency and the specific steam consumption for a Carnot cycle operating with wet steam. For an application for a Mechanical Engineering Internship Programme, a Mechanical Engineer must complete an existing design and build power generation project problem. In the plant, steam was supplied, dry saturated at 40 bar to a turbine and the condenser pressure was 0.035 bar. In the application: a) Explain system parameters using the non-flow energy equation. b) Derive the steady flow energy equation from 1st principles, defining all parameters and assumptions used. c) Produce specific Steady Flow Energy Equations based on stated assumptions in plant equipment. Include in your solution a brief description of the purpose and operating principles of each piece of plant equipment, state assumptions for every equation and define all parameters used. If the plant operated on the Rankine cycle, calculate, per kilogram of steam: i The work output neglecting the feed-pump work ii The work required for the feed pump iii The heat transferred to the condenser cooling water, and the amount of cooling water required through the condenser if the temperature rise of the water is assumed to be 5.5K iv The heat supplied v The Rankine efficiency vi The specific steam consumption d) For the same steam conditions, calculate the efficiency and the specific steam consumption for a Carnot cycle operating with wet steam.

Answer rating: 100% (QA)

A The nonflow electricity equation is given by using H1 V122 gz1 Q Ws H2 V222 gz2 Where H enthalpy V ... View the full answer