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蹂몃줎
�솭�씠濡�
Euler`s Equation
�븳 媛쒖쓽 �쑀�꽑�쓣 �뵲�씪 �슫�룞�븯�뒗 �쓲由꾩뿉�꽌 �쑀泥댁긽�쓽 �썝�넻�삎 誘몄냼 �쑀泥댁쓣 吏덈웾�쓣 媛��냽�븯�뒗 �븿��� 誘몄냼 �쑀愿��쓽 �뼇�떒�뿉 �옉�슜�븯�뒗 �븬�젰李⑥�� �쑀泥댁쭏�웾�쓽 �슫�룞諛⑺뼢 �꽦遺꾨퓧�씠�떎. 利� �븬�젰李⑤뒗
----------()
媛��냽�룄�뒗
-------()
Newton�쓽 �젣2踰뺤튃 dF=(dM)慣瑜� �쟻�슜�븯�젮硫� dF�뒗 �떎�쓬怨� 媛숈씠 �몴�떆�맂�떎.
dF=-dp dA-�갾 dA dz ---------------(3)
�떇(2),(3)�쓣 �궗�슜�븯�뿬 Newton�쓽 �젣2踰뺤튃�쓣 �몴�떆�븯硫�,
�뼇蹂��쓣 �갺A濡� �굹�늻怨� �젙由ы븯硫�,
--------()
�쐞 �떇�씠 �쓲由꾩뿉 ����븳 Euler`s Equation�씠�떎.
Bernoulli`s Equation
鍮꾩븬異뺤꽦 �쑀泥댁쓽 寃쎌슦�뿉�뒗 �쑀泥댁쓽 �떒�쐞 以묐웾 款瑜� �긽�닔濡� 痍④툒�븷 �닔 �엳�쑝誘�濡� 1李⑥썝 �쓲由꾩쓽 �슫�룞��� �떎�쓬怨� 媛숈씠 �몴�쁽�맆 �닔 �엳�떎.
----------(5)
�쐞 �떇�씠 怨� Bernoulli`s Equation�씠硫� p/款瑜� �븬�젰�닔�몢(pressure head), 瑜� �냽�룄�닔�몢(velocity head), z瑜� �쐞移섏닔�몢(potential head)�씪 �븯硫� H瑜� �쟾�닔�몢(total head)�씪 �븳�떎. �씠�뱾 �닔�몢�뒗 湲몄씠�쓽 �떒�쐞(m)瑜� 媛�吏��굹 �떎吏덉쟻�쑝濡쒕뒗 �쑀泥� �떒�쐞以묐웾�떦 �뿉�꼫吏�(kg-m/kg)瑜� �쓽誘명븯�뒗 寃껋씠�떎. �뵲�씪�꽌 (1)�떇��� �쑀�꽑 �긽�쓽 媛� �젏�뿉 �엳�뼱�꽌�쓽 �븬異� �뿉�꼫吏���� �냽�룄 �뿉�꼫吏� 諛� �쐞移섏뿉�꼫吏��쓽 媛믪씠 �씪�젙�븿�쓣 �쑜�븳�떎.
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