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�냽�룄 head, �넂�씠head, �븬�젰head�쓽 �빀��� 珥쓍ead�씪怨� 遺�猷밸땲�떎, 諛섎㈃�뿉 �븬�젰head��� �넂�씠head留뚯쓽 �빀��� piezometric head�씪怨� 遺�猷밸땲�떎, piezometric head�뒗 �뙆�씠�봽�쓽 �븳 履� �걹�쓣 �쓲由� 諛⑺뼢�뿉 �닔吏곸씤 flow field�뿉 �겮�뼱�꽔�뿀�쓣 �븣 �쑀泥닿�� �뙆�씠�봽�븞�쑝濡� �삱�씪媛� �넂�씠瑜� �굹����깄�땲�떎. �닔由ы븰�쟻�씤 寃쎌궗�꽑(Hydraulic Grade Line)��� piezometric head媛� �뼱�뼸寃� 愿��떖�쓣 �몢怨� �엳�뒗 �떆�뒪�뀥�쓽 �듅�젙嫄곕━�뿉 嫄몄퀜�꽌 蹂��솕�븯�뒗 吏�瑜� 蹂댁뿬以띾땲�떎. 諛섎㈃�뿉 �뿉�꼫吏� 寃쎌궗�꽑(EGL)��� 愿��떖�쓣 �몢怨� �엳�뒗 踰붿쐞�뿉 嫄몄퀜�꽌 珥쓍ead�뿉�꽌�쓽 蹂��솕瑜� �굹����깄�땲�떎. HGL怨� EGL�씠 洹몃┝ 1-5�뿉 �듅�젙 flow �떆�뒪�뀥�뿉 ����븯�뿬 臾섏궗�릺�뼱 �엳�뒿�땲�떎. EGL怨� HGL�궗�씠�쓽 �넂�씠�쓽 李⑥씠�뒗 �냽�룄head, V2/2g�엯�땲�떎.
�떇(1-12)�뒗 媛쒖닔濡� flow臾몄젣�뿉 �쟻�슜�맆 �닔�룄 �엳�뒿�땲�떎. 吏��젏1怨� 2媛� 媛숈�� streamline�쓣 �뵲�씪 痍⑦빐吏��뒗�븳 留먯엯�땲�떎. (�삁瑜� �뱾�뼱 water surface瑜� �뵲�씪 )
�삁�젣1-2 �븘�옒 蹂댁뿬吏��뒗 �뙆�씠�봽 �떆�뒪�뀥�뿉�꽌�쓽 留덉같怨� �떎瑜� �슂�씤�뱾�뿉 �쓽�븳 head �넀�떎�쓣 怨꾩궛�븯�떆�삤
�뙆�씠�봽�뒗 12 in. 吏�由�, 500 ft湲몄씠 , 40 cfs�쓽 flow�엯�땲�떎. 吏��젏2�뿉�꽌 �옄�쑀jet濡� 臾쇱�� 諛⑹텧�맗�땲�떎.
����씠:
1. 吏��젏1怨� 2�궗�씠�쓽 踰좊Ⅴ�늻�씠 諛⑹젙�떇�쓣 �뜥�씪
V12 p1 V22 p2
ꠏꠏꠏꠏꠏ + Z1 + ꠏꠏꠏꠏꠏ = ꠏꠏꠏꠏꠏ + Z2 + ꠏꠏꠏꠏꠏ + hL
2g 款 2g ���(�깮�왂)
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Flow in pipes.hwp
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