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Problem 5. Performance curves are available here at three different operating speeds, N = 1750, 2900, and 3500 rpm, for a family of stainless-steel pumps with closed impellers (SSPC1 250 Family) manufactured by American Stainless Pumps . (a) Make three tables (one for each N) at the best efficiency point, BEP, with the following columns: diameter, D (in), flowrate, Q (gpm), head, H₂ (ft), power, Wm (hp), efficiency, np, and specific speed in U.S. customary units, Ns,cu, and dimensionless, Ns. Use Web Plot Digitizer (the first 5 minutes of the tutorial video will show you how it works) to extract the data points for H₂ and at the BEP. (b) Use the scaling laws to produce the same table at N = 2900 rpm from the data at N = 3500 rpm. Briefly discuss the agreement between these two tables. (c) Plot N, versus D for all three values of N on the same figure. Briefly discuss the agreement of the curves.

Problem 5. Performance curves are available here at three different operating speeds, N = 1750, 2900, and 3500 rpm, for a family of stainless-steel pumps with closed impellers (SSPC1 250 Family) manufactured by American Stainless Pumps . (a) Make three tables (one for each N) at the best efficiency point, BEP, with the following columns: diameter, D (in), flowrate, Q (gpm), head, H₂ (ft), power, Wm (hp), efficiency, np, and specific speed in U.S. customary units, Ns,cu, and dimensionless, Ns. Use Web Plot Digitizer (the first 5 minutes of the tutorial video will show you how it works) to extract the data points for H₂ and at the BEP. (b) Use the scaling laws to produce the same table at N = 2900 rpm from the data at N = 3500 rpm. Briefly discuss the agreement between these two tables. (c) Plot N, versus D for all three values of N on the same figure. Briefly discuss the agreement of the curves.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Problem 5. Performance curves are available here at three different operating speeds, N = 1750, 2900, and 3500 rpm, for a family of stainless-steel pumps with closed impellers (SSPC1 250 Family) manufactured by American Stainless Pumps . (a) Make three tables (one for each N) at the best efficiency point, BEP, with the following columns: diameter, D (in), flowrate, Q (gpm), head, H₂ (ft), power, Wm (hp), efficiency, np, and specific speed in U.S. customary units, Ns,cu, and dimensionless, Ns. Use Web Plot Digitizer (the first 5 minutes of the tutorial video will show you how it works) to extract the data points for H₂ and at the BEP. (b) Use the scaling laws to produce the same table at N = 2900 rpm from the data at N = 3500 rpm. Briefly discuss the agreement between these two tables. (c) Plot N, versus D for all three values of N on the same figure. Briefly discuss the agreement of the curves.
Transcribed Image Text:Problem 5. Performance curves are available here at three different operating speeds, N = 1750, 2900, and 3500 rpm, for a family of stainless-steel pumps with closed impellers (SSPC1 250 Family) manufactured by American Stainless Pumps . (a) Make three tables (one for each N) at the best efficiency point, BEP, with the following columns: diameter, D (in), flowrate, Q (gpm), head, H₂ (ft), power, Wm (hp), efficiency, np, and specific speed in U.S. customary units, Ns,cu, and dimensionless, Ns. Use Web Plot Digitizer (the first 5 minutes of the tutorial video will show you how it works) to extract the data points for H₂ and at the BEP. (b) Use the scaling laws to produce the same table at N = 2900 rpm from the data at N = 3500 rpm. Briefly discuss the agreement between these two tables. (c) Plot N, versus D for all three values of N on the same figure. Briefly discuss the agreement of the curves.
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