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Category > Applied Sciences Posted 23 May 2017 My Price 5.00

A valve at the outlet end of a pipe 1 m diameter and 600 m long is rapidly opened

A valve at the outlet end of a pipe 1 m diameter and 600 m long is rapidly opened. The pipe discharges to atmosphere and the piezometric head at the inlet end of pipe is 23 m (relative to the outlet level). The head loss through the open valve is 10 times the velocity head in the pipe, other minor losses amount to twice the velocity head, and f is assumed constant at 0.005. What velocity is reached after 12 s?

 

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Alpha Geek
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Status NEW Posted 23 May 2017 10:05 AM My Price 5.00

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file 1495534110-Answer.docx preview (130 words )
M-----------ay -----------22 -----------201-----------7 0-----------6:2-----------7 P-----------M -----------A v-----------alv-----------e a-----------t t-----------he -----------out-----------let----------- en-----------d o-----------f a----------- pi-----------pe -----------1 m----------- di-----------ame-----------ter----------- an-----------d 6-----------00 -----------m l-----------ong----------- is----------- ra-----------pid-----------ly -----------ope-----------ned-----------. T-----------he -----------pip-----------e d-----------isc-----------har-----------ges----------- to----------- at-----------mos-----------phe-----------re -----------and----------- th-----------e p-----------iez-----------ome-----------tri-----------c h-----------ead----------- at----------- th-----------e i-----------nle-----------t e-----------nd -----------of -----------pip-----------e i-----------s 2-----------3 m----------- (r-----------ela-----------tiv-----------e t-----------o t-----------he -----------out-----------let----------- le-----------vel-----------). -----------The----------- he-----------ad -----------los-----------s t-----------hro-----------ugh----------- th-----------e o-----------pen----------- va-----------lve----------- is----------- 10----------- ti-----------mes----------- th-----------e v-----------elo-----------cit-----------y h-----------ead----------- in----------- th-----------e p-----------ipe-----------, o-----------the-----------r m-----------ino-----------r l-----------oss-----------es -----------amo-----------unt----------- to----------- tw-----------ice----------- th-----------e v-----------elo-----------cit-----------y h-----------ead-----------, a-----------nd -----------f i-----------s a-----------ssu-----------med----------- co-----------nst-----------ant----------- at----------- 0.-----------005-----------. W-----------hat----------- ve-----------loc-----------ity----------- is----------- re-----------ach-----------ed -----------aft-----------er
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