Given the following average hourly demand rates in gallons per minute, (a) find the uniform 24-hour pumping rate and the required storage necessary to supply for this demand; (b) if the period of pumping is 12 hours (from 6 am to 6 pm) find the required storage. Time Demand Rate 12 2000 PM 1 AM 23 4 5 6 7 1900 1800 1795 1700 1800 1910 3200 Time 8 AM 9 10 11 12 AM 1 PM 2 3 Demand Rate 5000 5650 6000 6210 6300 6500 6460 6430 Time Demand Rate 4 6500 5 6 7 8 9 10 11 6700 7119 9000 8690 5220 2200 2100

Given the following average hourly demand rates in gallons per minute, (a) find the uniform 24-hour pumping rate and the required storage necessary to supply for this demand; (b) if the period of pumping is 12 hours (from 6 am to 6 pm) find the required storage. Time Demand Rate 12 2000 PM 1 AM 23 4 5 6 7 1900 1800 1795 1700 1800 1910 3200 Time 8 AM 9 10 11 12 AM 1 PM 2 3 Demand Rate 5000 5650 6000 6210 6300 6500 6460 6430 Time Demand Rate 4 6500 5 6 7 8 9 10 11 6700 7119 9000 8690 5220 2200 2100

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter14: Ocean Thermal Energy Conversion And Ocean Salinity Gradient Energy

Section: Chapter Questions

Problem 14P

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The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.

Question

4. Given the following average hourly demand rates in gallons per minute, (a) find the uniform 24-hour pumping rate and the required storage necessary to supply for this demand; (b) if the period of pumping is 12 hours (from 6 am to 6 pm) find the required storage.

Given the following average hourly demand rates in gallons per minute, (a) find the
uniform 24-hour pumping rate and the required storage necessary to supply for this demand; (b) if the
period of pumping is 12 hours (from 6 am to 6 pm) find the required storage.
Demand Rate Time Demand Rate
8 AM 5000
Time Demand Rate Time
12
2000
4
6500
PM
1
1900
9.
5650
5
6700
AM
2
1800
10
6000
7119
3
1795
11
6210
7
9000
12 AM 6300
1 PM
4
1700
8
8690
5
1800
6500
5220
1910
2
6460
10
2200
7
3200
3
6430
11
2100

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Subject: ( Environmental Engineering 2 )