Whether the work done by the system during the process A → B is positive, negative or zero.

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Answer 1

Question

Chapter 18, Problem 73GP

(a)

To determine

Whether the work done by the system during the process A→B is positive, negative or zero.

(b)

To determine

Whether the work done by the system during the process B→C is positive, negative or zero.

(c)

To determine

Whether the work done by the system during the process C→A is positive, negative or zero.

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2. In class, we discussed several different flow scenarios for which we can make enough assumptions to simplify the Navier-Stokes equations enough to solve them and obtain an exact solution. Consulting the cylindrical form of the Navier-Stokes equations copied below, please answer the following questions. др a 1 a + +0x- + +O₂ = Pgr + μl 18²v, 2 ave ²v₁] az2 + at or r de r Əz dr ar Vodvz др [18 + + +Or + +Vz = Pgz +fl at ar r 20 ôz ôz dr ave дов V,Ve ave +Or + + = pge at dr r 80 Əz + az2 a.) In class, we discussed how the Navier-Stokes equations are an embodiment of Newton's 2nd law, F = ma (where bolded terms are vectors). Name the 3 forces that we are considering in our analysis of fluid flow for this class. др a 10 1 ve 2 av 2200] + +μ or 42 30 b.) If we make the assumption that flow is "fully developed" in the z direction, which term(s) would go to zero? Write the term below, describe what the term means in simple language (i.e. do not simply state "it is the derivative of a with…

1. Consult the form of the x-direction Navier-Stokes equation below that we discussed in class. (For this problem, only the x direction equation is shown for simplicity). Note that the equation provided is for a Cartesian coordinate system. In the spaces below, indicate which of the following assumptions would allow you to eliminate a term from the equation. If one of the assumptions provided would not allow you to eliminate a particular term, write "none" in the space provided. du ди at ( + + + 매일) du ди = - Pgx dy др dx ²u Fu u + fl + ax2 ay² az2 - дх - Əz 1 2 3 4 5 6 7 8 9 Assumption Flow is in the horizontal direction (e.g. patient lying on hospital bed) Flow is unidirectional in the x-direction Steady flow We consider the flow to be between two flat, infinitely wide plates There is no pressure gradient Flow is axisymmetric Term(s) in equation

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Answer 2

Question

Chapter 18, Problem 73GP

(a)

To determine

Whether the work done by the system during the process A→B is positive, negative or zero.

(b)

To determine

Whether the work done by the system during the process B→C is positive, negative or zero.

(c)

To determine

Whether the work done by the system during the process C→A is positive, negative or zero.

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Answer 3

Question

Chapter 18, Problem 73GP

(a)

To determine

Whether the work done by the system during the process A→B is positive, negative or zero.

(b)

To determine

Whether the work done by the system during the process B→C is positive, negative or zero.

(c)

To determine

Whether the work done by the system during the process C→A is positive, negative or zero.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 18, Problem 73GP

(a)

To determine

Whether the work done by the system during the process A→B is positive, negative or zero.

(b)

To determine

Whether the work done by the system during the process B→C is positive, negative or zero.

(c)

To determine

Whether the work done by the system during the process C→A is positive, negative or zero.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 18, Problem 73GP

(a)

To determine

Whether the work done by the system during the process A→B is positive, negative or zero.

(b)

To determine

Whether the work done by the system during the process B→C is positive, negative or zero.

(c)

To determine

Whether the work done by the system during the process C→A is positive, negative or zero.

Answer 6

Chapter 18, Problem 73GP

(a)

To determine

Whether the work done by the system during the process A→B is positive, negative or zero.

Answer 7

Chapter 18, Problem 73GP

(a)

To determine

Whether the work done by the system during the process A→B is positive, negative or zero.

Answer 8

(b)

To determine

Whether the work done by the system during the process B→C is positive, negative or zero.

Answer 9

(b)

To determine

Whether the work done by the system during the process B→C is positive, negative or zero.

Answer 10

(c)

To determine

Whether the work done by the system during the process C→A is positive, negative or zero.

Answer 11

(c)

To determine

Whether the work done by the system during the process C→A is positive, negative or zero.

Answer 12

Expert Solution & Answer

Answer 13

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Answer 14

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Answer 15

Whether the work done by the system during the process A → B is positive, negative or zero.

Solution Summary: The author explains the formula to determine whether the work done by the system during the process Ato B is positive, negative or zero.

Concept explainers

Whether the work done by the system during the process A→B is positive, negative or zero.

Whether the work done by the system during the process B→C is positive, negative or zero.

Whether the work done by the system during the process C→A is positive, negative or zero.

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Chapter 18 Solutions