Concept explainers
(a)
To compute:
The water depth 10 m downstream at section (3) for the
Answer to Problem 10.3CP
The water depth 10 m downstream at section (3) for the
Explanation of Solution
Figure:
Given:
For unfinished concrete
Concept Used:
Annuity problem requires the use of the formula as follows:
Here,
Constant
Calculation:
As per the given problem
Annuity problem requires the use of this formula
Substitute these values in the formula
For the steep (S-3) slope yields
Conclusion:
The water depth 10 m downstream at section (3) for the
(b)
To compute:
The water depth 10 m upward (adverse) slope of
Answer to Problem 10.3CP
Integration for the adverse (-
Explanation of Solution
Given:
For unfinished concrete
Concept Used:
Annuity problem requires the use of the formula as follows:
Here,
Constant
Take smaller adverse slope of
Annuity problem requires the use of this formula.
Substitute these values in the formula:
Integration for the adverse (-
Conclusion:
Integration for the adverse (-
(c)
Find that part and take smaller (adverse) slope of
Answer to Problem 10.3CP
That part and take smaller (adverse) slope of
Explanation of Solution
Given:
For unfinished concrete
Concept Used:
Annuity problem requires the use of the formula as follows
Here,
Critical depth
Calculation:
As per the given problem
Annuity problem requires the use of this formula
Substitute these values in the formula
Annuity problem requires the use of this formula
Substitute these values in the formula
take smaller adverse slope of
The flow goes critical near x=L ,as shown in graph
Conclusion:
That part and take smaller (adverse) slope of
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Chapter 10 Solutions
Fluid Mechanics
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