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A supply line that carries steam at 5MPa and 500°C is connected to a piston- cylinder device in which steam undergoes a constant pressure expansion process of 800kPa. The piston-cylinder device initially contains saturated vapor with a volume of 0.1 m³. Now the valve is opened and steam is allowed to flow slowly into the cylinder until the volume of the cylinder doubles and the temperature reaches 250°C, at which the valve is closed. Determine the amount of mass that enters and the amount of heat transfer during this process. Saturated vapor 0.1 m³ 800 kPa Steam 5 MPa 500°C

A supply line that carries steam at 5MPa and 500°C is connected to a piston- cylinder device in which steam undergoes a constant pressure expansion process of 800kPa. The piston-cylinder device initially contains saturated vapor with a volume of 0.1 m³. Now the valve is opened and steam is allowed to flow slowly into the cylinder until the volume of the cylinder doubles and the temperature reaches 250°C, at which the valve is closed. Determine the amount of mass that enters and the amount of heat transfer during this process. Saturated vapor 0.1 m³ 800 kPa Steam 5 MPa 500°C

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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A supply line that carries steam at 5MPa and 500°C is connected to a piston- cylinder device in which steam undergoes a constant pressure expansion process of 800kPa. The piston-cylinder device initially contains saturated vapor with a volume of 0.1 m³. Now the valve is opened and steam is allowed to flow slowly into the cylinder until the volume of the cylinder doubles and the temperature reaches 250°C, at which the valve is closed. Determine the amount of mass that enters and the amount of heat transfer during this process. Saturated vapor 0.1 m³ 800 kPa Q Steam 5 MPa 500°C
Transcribed Image Text:A supply line that carries steam at 5MPa and 500°C is connected to a piston- cylinder device in which steam undergoes a constant pressure expansion process of 800kPa. The piston-cylinder device initially contains saturated vapor with a volume of 0.1 m³. Now the valve is opened and steam is allowed to flow slowly into the cylinder until the volume of the cylinder doubles and the temperature reaches 250°C, at which the valve is closed. Determine the amount of mass that enters and the amount of heat transfer during this process. Saturated vapor 0.1 m³ 800 kPa Q Steam 5 MPa 500°C
Expert Solution
Step 1: Determine the given data

Given, a piston- cylinder device with the following data.

Initial Volume of steam, V subscript 1 equals 0.1 m cubed

Initial pressure of steam in the cylinder, P subscript 1 equals 800 k P a

Pressure of steam in the supply line, P subscript z equals 5 M P a

Temperature of steam in the supply line, T subscript z equals 500 degree C

When the valve is opened, 

P subscript 1 equals P subscript 2 equals 800 k P a

Volume, V subscript 2 equals 2 V subscript 1 V subscript 2 equals 2 cross times 0.1 V subscript 2 equals 0.2 m cubed

Temperature, T subscript 2 equals 250 degree C



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