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A rigid 0.5 m³ tank initially contains saturated liquid water at 200°C. A valve on the bottom of the tank is opened and half the liquid is drained. Heat is transferred from a source at 300°C to maintain constant temperature inside the tank. Assume the surroundings to be at 25°C and 100 kPa and that the water leaving the tank has same properties as the initial state. Initial Final State State T h (kJ/kg) u (kJ/kg) v (m³/kg) Dead State 25 200 104.98 852.45 104.88 850.65 0.001003 0.001157 s (kJ/kgK) 0.367 2.3309 (a.) (b.) 200 870.2 866.6 0.002314 2.368 Determine heat transfer (kJ) Reversible work (kJ) V-0.5m³ Surroundings T=25C P=100kPa e

A rigid 0.5 m³ tank initially contains saturated liquid water at 200°C. A valve on the bottom of the tank is opened and half the liquid is drained. Heat is transferred from a source at 300°C to maintain constant temperature inside the tank. Assume the surroundings to be at 25°C and 100 kPa and that the water leaving the tank has same properties as the initial state. Initial Final State State T h (kJ/kg) u (kJ/kg) v (m³/kg) Dead State 25 200 104.98 852.45 104.88 850.65 0.001003 0.001157 s (kJ/kgK) 0.367 2.3309 (a.) (b.) 200 870.2 866.6 0.002314 2.368 Determine heat transfer (kJ) Reversible work (kJ) V-0.5m³ Surroundings T=25C P=100kPa e

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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Clearly identify the system, type of system (open/closed), and problem (unsteady/steady), develop the required equations to solve the problem, and clearly highlight your solution.

A rigid 0.5 m³ tank initially contains saturated liquid water at 200°C. A valve on the bottom of the tank is opened and half the liquid is drained. Heat is transferred from a source at 300°C to maintain constant temperature inside the tank. Assume the surroundings to be at 25°C and 100 kPa, and that the water leaving the tank has the same properties as the initial state. **Table of Properties:** | | Dead State | Initial State | Final State | |----------------------|------------|---------------|-------------| | **T (°C)** | 25 | 200 | 200 | | **h (kJ/kg)** | 104.98 | 852.45 | 870.2 | | **u (kJ/kg)** | 104.88 | 850.65 | 866.6 | | **v (m³/kg)** | 0.001003 | 0.001157 | 0.002314 | | **s (kJ/kgK)** | 0.367 | 2.3309 | 2.368 | **Diagram Explanation:** - The diagram shows a tank with a volume of 0.5 m³. - The tank is depicted with an open valve at the bottom, indicating the removal of liquid. - Surroundings are labeled with a temperature of 25°C and a pressure of 100 kPa. **Questions:** (a.) Determine heat transfer (kJ) (b.) Reversible work (kJ)
Transcribed Image Text:A rigid 0.5 m³ tank initially contains saturated liquid water at 200°C. A valve on the bottom of the tank is opened and half the liquid is drained. Heat is transferred from a source at 300°C to maintain constant temperature inside the tank. Assume the surroundings to be at 25°C and 100 kPa, and that the water leaving the tank has the same properties as the initial state. **Table of Properties:** | | Dead State | Initial State | Final State | |----------------------|------------|---------------|-------------| | **T (°C)** | 25 | 200 | 200 | | **h (kJ/kg)** | 104.98 | 852.45 | 870.2 | | **u (kJ/kg)** | 104.88 | 850.65 | 866.6 | | **v (m³/kg)** | 0.001003 | 0.001157 | 0.002314 | | **s (kJ/kgK)** | 0.367 | 2.3309 | 2.368 | **Diagram Explanation:** - The diagram shows a tank with a volume of 0.5 m³. - The tank is depicted with an open valve at the bottom, indicating the removal of liquid. - Surroundings are labeled with a temperature of 25°C and a pressure of 100 kPa. **Questions:** (a.) Determine heat transfer (kJ) (b.) Reversible work (kJ)
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