Entc 303 announcements
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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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ENTC 303: Announcements

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Entc 303 announcements

ENTC 303: Announcements

  • Homework assignment #7

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

    • Due Thursday, November 6thbefore 3:35 pm

    • For more information, go to:

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

  • Exam II: November 20th (Thu)

    • Chapters: Mott’s 8 – 12

    • Homeworks: 5 – 8


Entc 303 announcements

Society of Manufacturing Engineers

SME chapter S099

WE GET HIRED

WHAT: 3ndGeneral Meeting

WHERE: THOM 112D

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

GUEST SPEAKER:


Chapters 11 12 pipe line systems

Chapters 11 & 12: Pipe Line Systems

  • Series

  • Parallel

  • Or combination of both

Series

Parallel


Series pipe line systems

Series Pipe Line Systems

  • 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


Entc 303 announcements

Series Pipe Line Systems

  • Class III

    • Known: Flow rate and general layout

    • Goal: To determine pipe size

  • Solution methods

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


Class i series pipe line systems

Class I: Series Pipe Line Systems

  • hL = Energy losses due:

  • Pipe friction

  • Minor losses

    • Valves

    • Exit and entrance losses

    • Enlargements/Contractions

    • Bends/elbows


Class i example

Class I: Example

  • 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.


Entc 303 announcements

Moody Chart

D/e

f

Re


Class ii example

Class II: Example

  • 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.


Entc 303 announcements

Moody Chart

D/e

f

Re


Example

Example

  • 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.


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