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Steam enters a nozzle at a pressure of 100 kPa and 150 deg with a velocity of 0.47 m/s. It exits with 30% in the vapor phase at 150 deg C and a velocity of 0.65 m/s. How much heat is lost (kW when the mass flowrate is 0.17 kg/s?

Steam enters a nozzle at a pressure of 100 kPa and 150 deg with a velocity of 0.47 m/s. It exits with 30% in the vapor phase at 150 deg C and a velocity of 0.65 m/s. How much heat is lost (kW when the mass flowrate is 0.17 kg/s?

Elements Of Electromagnetics
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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**Problem Statement:** Steam enters a nozzle at a pressure of 100 kPa and 150°C with a velocity of 0.47 m/s. It exits with 30% in the vapor phase at 150°C and a velocity of 0.65 m/s. How much heat is lost (kW) when the mass flow rate is 0.17 kg/s? **Analysis:** To solve this problem, we need to calculate the heat transfer during the process. We'll use the principles of thermodynamics and energy balance for an open system. Key steps involve determining the specific enthalpies at the inlet and outlet, and applying the energy balance equation. Please consult the relevant thermodynamic tables for the properties of steam at the given conditions.
Transcribed Image Text:**Problem Statement:** Steam enters a nozzle at a pressure of 100 kPa and 150°C with a velocity of 0.47 m/s. It exits with 30% in the vapor phase at 150°C and a velocity of 0.65 m/s. How much heat is lost (kW) when the mass flow rate is 0.17 kg/s? **Analysis:** To solve this problem, we need to calculate the heat transfer during the process. We'll use the principles of thermodynamics and energy balance for an open system. Key steps involve determining the specific enthalpies at the inlet and outlet, and applying the energy balance equation. Please consult the relevant thermodynamic tables for the properties of steam at the given conditions.
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