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ENTC 303: Announcements - PowerPoint PPT Presentation

ENTC 303: Announcements. Homework assignment #7 From Mott:11.1, 11.3, 11.5, 11.9, 11.16. Due Thursday, November 6 th before 3:35 pm For more information, go to: http://etidweb.tamu.edu/classes/entc303/ Exam II: November 20 th ( Thu) Chapters: Mott’s 8 – 12 Homeworks : 5 – 8.

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• Homework assignment #7

• From Mott:11.1, 11.3, 11.5, 11.9, 11.16.

• Due Thursday, November 6thbefore 3:35 pm

• http://etidweb.tamu.edu/classes/entc303/

• Exam II: November 20th (Thu)

• Chapters: Mott’s 8 – 12

• Homeworks: 5 – 8

SME chapter S099

WE GET HIRED

WHAT: 3ndGeneral Meeting

WHERE: THOM 112D

WHEN: 7 pm, Monday, Nov 3rd , 2014

GUEST SPEAKER:

• Series

• Parallel

• Or combination of both

Series

Parallel

• Class I

• Known: pipe size, types of minor losses, flow rate

• Goal: To determine pressure at a specific point, total head or elevations

• Class II

• Known: pipe size, types of minor losses, elevations, and pressure at specific points

• Goal: To determine flow rate

• Class III

• Known: Flow rate and general layout

• Goal: To determine pipe size

• Solution methods

• http://etidweb.tamu.edu/classes/entc303/

• hL = Energy losses due:

• Pipe friction

• Minor losses

• Valves

• Exit and entrance losses

• Enlargements/Contractions

• Bends/elbows

• Calculate the power supplied to the pump in Fig. 11.2. The pump is 76% efficient, methyl alcohol flows at 0.015 m3/sec at 25° C. The suction pipe diameter is 102.3 mm, and 15 m long. The discharge pipe diameter is 52.5 mm, and 200 m long. The entrance is square-edged type, the elbows are standard and the globe valve is fully open.

D/e

f

Re

• Oil flows in 6-in pipe (SCH 40) steel pipe with a pressure drop of 60 kPa per 100 m. S.G. = 0.88, m = 9.5 x 10-3 Pa-sec. Determine the flow rate.

D/e

f

Re

• A lubricating oil needs to be pumped from 1 to 2 with a maximum pressure drop of 60 kPa. The oil’s S.G. is 0.88, m = 9.5 e 10-3 Pa-s. Determine the flow rate, class type and solution method.