Evaluate the system for a fire demand – Microeconomics
Job Description:
Analyzing a easy pipeline is straight ahead, however when a number of pipe techniques are encountered it will probably turn into advanced and the computational effort will increase considerably. Due to the systematic manner during which a community may be analyzed, computational software program is more and more used to unravel for the move distribution and pressures inside the community. You’re to investigate and supply design various for the pipe community for the metropolis of Huntington.
Current Community Assessment: Carry out the following analyses
• Utilizing WaterGEMS, resolve the system proven in Determine 1.
– Particulars for pipe traits are listed in the related desk
– Use the Pump Attribute Curve Offered in Determine 2
• Evaluate the system at peak demand the place all ingredient calls for are 125% bigger (i.e., multiply given flows by 2.25).
• Evaluate the system for a fire demand of 500 gpm beneath peak demand.
Based mostly on the outcomes, touch upon the efficiency of the current system. It ought to function between 30 psig and 140 psig for all regular working situations (together with peak move) and will ship the fire demand at a minimal of 15 psig. Assessing the impression of uncertainty is a important facet. For this system, uncertainty exists in the methodological method for accounting for frictional losses. You could use each the Hazen-Williams and Darcy Weisbach methodology with a purpose to generate uncertainty bounds for your resolution.
Options Design Assessment:
If situations aren’t met, current two various designs for upgrading the community to make sure profitable operation inside the strain necessities. In doing so the unique system must be maintained (e.g., pipe diameter, size, roughness parameters). Nonetheless, it’s possible you’ll add further parts together with new pumps, reservoirs, parallel traces, and so on.
Financial Assessment:
A easy financial Assessment is to be performed based mostly in your alternate options design to help in making conclusions and proposals. You should definitely embrace prices for pumps, reservoirs, traces added to the community, set up prices, and so on. Cite your sources for prices of particular objects.
Writing Software:
A one web page progress report detailing the outcomes from the system efficiency working beneath regular demand situations, peak move situations and peak move with fire demand can be due March 15th. For the closing report (Due Thursday, April 7’h) a two-web page most technical memo to introduce and summarize the scenario, issues, assumptions and proposals is required.
For the closing report you need to flip in the following:
1. All computational outcomes tabulated for every community Assessment in addition to the financial Assessment (offered in the Appendix)
2. A story assertion in the appendix describing the pipe community analytical methodology (e.g., the software program you used, overview of Hardy-Cross, frictional loss calculation strategies).
three. A properly-organized memo (2 web page most) reporting your Assessment and outcomes.
Determine 1: Current water distribution community with common day by day calls for for the metropolis of hunigton.
Pipe | Size (ft) | Diameter (inches) | Pipe materials |
1 | 122 | 6 | Forged Iron |
1a | 122 | 6 | Forged Iron |
2 | 291 | four | Forged Iron |
three | 1009 | four | Forged Iron |
four | 863 | four | Forged Iron |
5 | 890 | four | Forged Iron |
6 | 496 | four | Forged Iron |
7 | 246 | four | Forged Iron |
eight | 758 | four | Forged Iron |
9 | 506 | four | Forged Iron |
10 | 357 | 6 | Forged Iron |
11 | 304 | 6 | Forged Iron |
12 | 498 | four | Forged Iron |
13 | 634 | four | Forged Iron |
14 | 657 | 6 | Forged Iron |
15 | 307 | four | Forged Iron |
16 | 117 | four | Forged Iron |
17 | 346 | 6 | Forged Iron |
18 | 163 | four | Forged Iron |
19 | 553 | 6 | Forged Iron |
20 | 651 | 6 | Forged Iron |
21 | 896 | 6 | Forged Iron |
22 | 312 | 6 | Forged Iron |
23 | 889 | 6 | Forged Iron |
24 | 810 | 6 | Forged Iron |
Determine 2: Pump Charcteristic curve for the pump highlighted in determine 1.