An ideal regenerative engine receives 140,000 kg/hr of throttled steam at 15 MPaa and 600 °C. Before condensation at 10 kPaa, the steam is extracted for feedwater heating first at 2 MPaa and the second at 1 MPaa. Determine: a) mass of extracted steam in kg/hr, b) ideal power developed by the engine (kW), b) ideal total power required by the pump, c) heat transferred in the boiler and condenser (kW), d) steam rate of the cycle (kg/kw-hr), e) thermal efficiency of the engine, f) thermal efficiency of the cycle, g) Heat rate

An ideal regenerative engine receives 140,000 kg/hr of throttled steam at 15 MPaa and 600 °C. Before condensation at 10 kPaa, the steam is extracted for feedwater heating first at 2 MPaa and the second at 1 MPaa. Determine: a) mass of extracted steam in kg/hr, b) ideal power developed by the engine (kW), b) ideal total power required by the pump, c) heat transferred in the boiler and condenser (kW), d) steam rate of the cycle (kg/kw-hr), e) thermal efficiency of the engine, f) thermal efficiency of the cycle, g) Heat rate

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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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

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PLEASE SHOW COMPLETE SOLUTION (DRAW THE TS DIAGRAM)

An ideal regenerative engine receives 140,000 kg/hr of throttled steam at 15 MPaa and 600 °C.
Before condensation at 10 kPaa, the steam is extracted for feedwater heating first at 2 MPaa
and the second at 1 MPaa. Determine: a) mass of extracted steam in kg/hr, b) ideal power
developed by the engine (kW), b) ideal total power required by the pump, c) heat transferred in
the boiler and condenser (kW), d) steam rate of the cycle (kg/kw-hr), e) thermal efficiency of
the engine, f) thermal efficiency of the cycle, g) Heat rate

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