The change in internal energy ( Δ U ) of the steam has to be determined. Concept introduction: The change in internal energy ( Δ U ) of the steam: Δ U = M ( U ^ 2 − U ^ 1 ) Here, mass of the steam is M .

Question

15.15 A 0.20-m-thick brick wall (k = 1.3 W/m K) separates the combustion zone of a furnace from its surroundings at 25°C. For an outside wall surface temperature of 100°C, with a convective heat-transfer coefficient of 18 W/m² K, what will be the inside wall surface temperature at steady-state conditions? .

Answer 1

Question

Chapter 1.7, Problem 21P

A)

Interpretation Introduction

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

B)

Interpretation Introduction

Interpretation:

The work done (WE) by the steam on the surroundings has to be determined.

Concept introduction:

Calculate the work done (WE) by the steam on the surroundings.

WE=−∫V1V2PdV=−P(V2−V1)=−MP(V^2−V^1)

Here, constant pressure is P, initial and final volume is V1 and V2 respectively.

Since, the external pressure is constant P2=P.

Substitute P2 for P and rewrite the equation of work done by the steam

WE=−MP2(V^2−V^1)

C)

Interpretation Introduction

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

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15.15 A 0.20-m-thick brick wall (k = 1.3 W/m K) separates the combustion zone of a furnace from its surroundings at 25°C. For an outside wall surface temperature of 100°C, with a convective heat-transfer coefficient of 18 W/m² K, what will be the inside wall surface temperature at steady-state conditions? .

An MF membrane has pore-size distribution as follows: d(pore)0.33 fraction¼ 1.5 mm, d(pore)0.33 fraction¼ 1.0 mm, and d(pore)0.33 fraction¼ 0.5 mm. Required (a) Determine the distribution of flux density for each pore size. (b) Show by a plot the distribution of pore sizes and the distribution of flux density. solve

Please show me your steps please thank you.

Answer 2

Question

Chapter 1.7, Problem 21P

A)

Interpretation Introduction

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

B)

Interpretation Introduction

Interpretation:

The work done (WE) by the steam on the surroundings has to be determined.

Concept introduction:

Calculate the work done (WE) by the steam on the surroundings.

WE=−∫V1V2PdV=−P(V2−V1)=−MP(V^2−V^1)

Here, constant pressure is P, initial and final volume is V1 and V2 respectively.

Since, the external pressure is constant P2=P.

Substitute P2 for P and rewrite the equation of work done by the steam

WE=−MP2(V^2−V^1)

C)

Interpretation Introduction

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

Expert Solution & Answer

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Answer 3

Question

Chapter 1.7, Problem 21P

A)

Interpretation Introduction

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

B)

Interpretation Introduction

Interpretation:

The work done (WE) by the steam on the surroundings has to be determined.

Concept introduction:

Calculate the work done (WE) by the steam on the surroundings.

WE=−∫V1V2PdV=−P(V2−V1)=−MP(V^2−V^1)

Here, constant pressure is P, initial and final volume is V1 and V2 respectively.

Since, the external pressure is constant P2=P.

Substitute P2 for P and rewrite the equation of work done by the steam

WE=−MP2(V^2−V^1)

C)

Interpretation Introduction

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

Expert Solution & Answer

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Answer 4

Question

Chapter 1.7, Problem 21P

A)

Interpretation Introduction

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

B)

Interpretation Introduction

Interpretation:

The work done (WE) by the steam on the surroundings has to be determined.

Concept introduction:

Calculate the work done (WE) by the steam on the surroundings.

WE=−∫V1V2PdV=−P(V2−V1)=−MP(V^2−V^1)

Here, constant pressure is P, initial and final volume is V1 and V2 respectively.

Since, the external pressure is constant P2=P.

Substitute P2 for P and rewrite the equation of work done by the steam

WE=−MP2(V^2−V^1)

C)

Interpretation Introduction

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

Expert Solution & Answer

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Answer 5

Chapter 1.7, Problem 21P

A)

Interpretation Introduction

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

B)

Interpretation Introduction

Interpretation:

The work done (WE) by the steam on the surroundings has to be determined.

Concept introduction:

Calculate the work done (WE) by the steam on the surroundings.

WE=−∫V1V2PdV=−P(V2−V1)=−MP(V^2−V^1)

Here, constant pressure is P, initial and final volume is V1 and V2 respectively.

Since, the external pressure is constant P2=P.

Substitute P2 for P and rewrite the equation of work done by the steam

WE=−MP2(V^2−V^1)

C)

Interpretation Introduction

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

Answer 6

Chapter 1.7, Problem 21P

A)

Interpretation Introduction

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

Answer 7

Chapter 1.7, Problem 21P

A)

Interpretation Introduction

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

Answer 8

B)

Interpretation Introduction

Interpretation:

The work done (WE) by the steam on the surroundings has to be determined.

Concept introduction:

Calculate the work done (WE) by the steam on the surroundings.

WE=−∫V1V2PdV=−P(V2−V1)=−MP(V^2−V^1)

Here, constant pressure is P, initial and final volume is V1 and V2 respectively.

Since, the external pressure is constant P2=P.

Substitute P2 for P and rewrite the equation of work done by the steam

WE=−MP2(V^2−V^1)

Answer 9

B)

Interpretation Introduction

Interpretation:

The work done (WE) by the steam on the surroundings has to be determined.

Concept introduction:

Calculate the work done (WE) by the steam on the surroundings.

WE=−∫V1V2PdV=−P(V2−V1)=−MP(V^2−V^1)

Here, constant pressure is P, initial and final volume is V1 and V2 respectively.

Since, the external pressure is constant P2=P.

Substitute P2 for P and rewrite the equation of work done by the steam

WE=−MP2(V^2−V^1)

Answer 10

C)

Interpretation Introduction

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

Answer 11

C)

Interpretation Introduction

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

Answer 12

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Answer 23

Ch. 1.6 - Prob. 1E Ch. 1.6 - Prob. 2E Ch. 1.6 - Prob. 3E Ch. 1.6 - Prob. 4E Ch. 1.6 - Prob. 5E Ch. 1.6 - Prob. 6E Ch. 1.6 - Prob. 7E Ch. 1.6 - Prob. 8E Ch. 1.6 - Prob. 9E Ch. 1.6 - Prob. 10E

The change in internal energy ( Δ U ) of the steam has to be determined. Concept introduction: The change in internal energy ( Δ U ) of the steam: Δ U = M ( U ^ 2 − U ^ 1 ) Here, mass of the steam is M .

Solution Summary: The author explains the change in internal energy (Delta U) of the steam.

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine

Chapter 1 Solutions

The change in internal energy ( Δ U ) of the steam has to be determined. Concept introduction: The change in internal energy ( Δ U ) of the steam: Δ U = M ( U ^ 2 − U ^ 1 ) Here, mass of the steam is M .

Solution Summary: The author explains the change in internal energy (Delta U) of the steam.

Interpretation: The change in internal energy (ΔU) of the steam has to be determined. Concept introduction: The change in internal energy (ΔU) of the steam: ΔU=M(U^2−U^1) Here, mass of the steam is M.

Interpretation: Describe the two example of machine that is converting the steam force into useful work. Concept introduction: Example of machine that is converting the steam force into useful work as follows: 1. Steam engine 2. Steam turbine

Chapter 1 Solutions

Interpretation:

The change in internal energy (ΔU) of the steam has to be determined.

Concept introduction:

The change in internal energy (ΔU) of the steam:

ΔU=M(U^2−U^1)

Here, mass of the steam is M.

Interpretation:

Describe the two example of machine that is converting the steam force into useful work.

Concept introduction:

Example of machine that is converting the steam force into useful work as follows:

1. Steam engine

2. Steam turbine