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  ***锟斤拷(ji锟斤拷)锟斤拷锟斤拷系锟斤拷(sh锟斤拷)Kv值計锟姐公式锟斤拷锟斤拷锟斤拷

111锟斤拷锟斤拷討論Kv值計锟姐公式锟侥扒岋拷锟叫ｏ拷锟斤拷锟皆匡拷锟斤拷該锟狡岋拷锟叫达拷锟斤拷什么锟斤拷锟絵锟斤拷

    锟劫帮拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟統模锟組锟介簡锟斤拷锟斤拷式锟斤拷锟狡岋拷锟斤拷锟斤拷未锟斤拷锟絔锟絚锟斤拷同锟統锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟紿锟斤拷锟斤拷之锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟斤拷
    锟斤拷锟斤拷飽和的狅拷B(t锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絊锟斤拷锟斤拷锟斤拷锟斤拷佣锟斤拷锟斤拷樱锟斤拷牟顗猴拷l锟斤拷锟斤拷0.5锟斤拷同锟斤拷未锟斤拷锟絔锟斤拷同锟統锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷該锟絉锟斤拷锟絚锟斤拷影響嗭拷锟絵锟斤拷
    锟斤拷未锟斤拷锟絔锟斤拷锟斤拷锟絑锟斤拷(sh锟斤拷)锟酵帮拷锟絙锟絣锟斤拷锟斤拷影響★拷

112锟斤拷锟斤拷Kv值計锟姐公式锟狡岋拷锟叫达拷锟节的嗭拷锟絵锟斤拷锟斤拷锟绞裁从帮拷锟斤拷

      锟斤拷锟节帮拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟統模锟組锟介簡锟斤拷锟斤拷式锟斤拷锟狡岋拷Kv值計锟姐公式锟斤拷只锟斤拷锟絔锟斤拷锟統锟絋前锟斤拷锟斤拷膲锟斤拷锟�锟斤拷锟斤拷锟絔锟叫匡拷锟絔锟斤拷锟統锟絋锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟接碉拷影锟�锟斤拷锟斤拷锟斤拷锟紿锟较革拷锟絅锟統锟絋锟斤拷Y(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷同锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟捷必曪拷锟斤拷珊艽锟斤拷計锟斤拷偏锟筋。锟斤拷锟斤拷锟斤拷锟斤拷锟节沒锟叫匡拷锟絔锟斤拷锟斤拷锟絑锟斤拷(sh锟斤拷)锟斤拷影锟�锟斤拷锟节極锟斤拷锟斤拷r锟斤拷锟斤拷锟斤拷锟斤拷锟絑锟斤拷(sh锟斤拷)锟杰碉拷锟斤拷锟斤拷锟斤拷锟斤拷院艽锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟窖斤拷(j锟斤拷ng)锟缴烇拷锟斤拷锟斤拷锟紹(t锟斤拷i)锟斤拷锟剿時锟斤拷锟斤拷园锟斤拷锟斤拷锟斤拷锟絩锟狡岋拷锟斤拷Kv值計锟姐公式計锟姐，锟絗锟斤拷一锟斤拷锟杰达拷锟斤拷

113锟斤拷锟絕锟斤拷锟斤拷锟街復ｏ拷

       锟斤拷锟斤拷锟絯锟斤拷锟絕锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟統锟絩锟斤拷锟斤拷锟叫夛拷锟斤拷變锟斤拷锟斤拷D3-4锟斤拷示锟斤拷锟斤拷知锟斤拷锟統芯锟斤拷锟統锟斤拷處锟斤拷锟节癸拷(ji锟斤拷)锟斤拷锟斤拷锟矫讹拷锟节革拷锟斤拷锟斤拷锟斤拷锟斤拷處锟絘(ch锟斤拷n)锟斤拷一锟斤拷锟絪锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟劫达拷锟斤拷锟斤拷锟給锟斤拷小锟斤拷锟斤拷锟絟锟絰锟絪锟斤拷處锟斤拷锟絊锟斤拷锟統锟斤拷(n锟斤拷i)锟斤拷锟斤拷通锟斤拷e锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟劫減小锟斤拷锟斤拷锟斤拷锟洁互摩锟斤拷锟斤拷锟斤拷锟街咃拷锟斤拷锟紻(zhu锟斤拷n)變锟缴冿拷(n锟斤拷i)锟斤拷锟斤拷锟襟部凤拷锟給锟斤拷锟斤拷锟街忥拷锟斤拷锟轿筹拷锟斤拷锟統锟絋锟斤拷锟斤拷锟斤拷锟絈锟斤拷之锟斤拷锟斤拷锟絯锟节癸拷(ji锟斤拷)锟斤拷處锟侥夛拷锟斤拷锟斤拷锟斤拷锟铰斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥癸拷(ji锟斤拷)锟斤拷通锟斤拷锟斤拷锟斤拷u锟街復ｏ拷锟斤拷锟窖斤拷(j锟斤拷ng)锟斤拷锟杰恢復碉拷原锟斤拷锟斤拷P₁值锟斤拷锟紷锟斤拷锟角夛拷锟斤拷锟街復現(xi锟斤拷n)锟斤拷锟斤拷

114锟斤拷锟絕锟斤拷锟斤拷锟街忥拷系锟斤拷(sh锟斤拷)F_L锟斤拷

      锟斤拷原锟斤拷式锟斤拷锟狡岋拷锟斤拷锟斤拷锟絁锟斤拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟統锟斤拷(ji锟斤拷)锟斤拷處锟斤拷P₁直锟斤拷锟铰斤拷锟斤拷P₂锟斤拷見锟紻3-5锟斤拷虛锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟紿锟斤拷锟斤拷锟斤拷锟斤拷變锟斤拷锟斤拷锟斤拷锟斤拷D3-5锟叫岋拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街復碉拷锟斤拷r锟斤拷锟斤拷同锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟統锟斤拷锟斤拷锟斤拷锟街復碉拷锟斤拷r锟斤拷同锟斤拷锟斤拷锟斤拷越小锟斤拷锟統锟斤拷锟街忥拷越锟斤拷锟斤拷锟斤拷越偏锟絰原锟狡岋拷锟斤拷式锟侥夛拷锟斤拷锟斤拷锟斤拷锟斤拷原锟斤拷式計锟斤拷慕Y(ji锟斤拷)锟斤拷锟絚锟斤拷锟紿锟絗锟斤拷越锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷示锟統锟斤拷锟斤拷锟街復筹拷锟斤拷锟较碉拷锟�(sh锟斤拷)F_L锟巾對原锟斤拷式锟組锟斤拷锟斤拷锟斤拷锟斤拷F_L锟絈锟介壓锟斤拷锟街忥拷系锟斤拷(sh锟斤拷)锟斤拷Pressure recevery facror锟斤拷,锟斤拷锟斤拷_式锟斤拷        式锟斤拷锟斤拷锟街別锟斤拷示锟絘(ch锟斤拷n)锟斤拷锟絎锟斤拷锟絩锟侥縮锟斤拷處锟斤拷锟斤拷锟斤拷y前锟襟壓诧拷锟斤拷  

115锟斤拷锟斤拷锟街忥拷系锟斤拷(sh锟斤拷)F_L锟斤拷锟皆囷拷y锟斤拷锟斤拷

       锟斤拷知F_L锟斤拷锟斤拷锟統锟絋锟絘(ch锟斤拷n)锟斤拷锟絎锟斤拷锟絩锟統前锟襟壓诧拷锟絇_c锟絚锟絪锟斤拷處锟斤拷锟斤拷锟絇v_c之锟斤拷锟斤拷锟斤拷透锟斤拷锟統锟絯锟斤拷試驗將锟斤拷锟絣(f锟斤拷)锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷(ji锟斤拷)锟斤拷處锟絘(ch锟斤拷n)锟斤拷锟絎锟斤拷锟斤拷锟斤拷锟节癸拷(ji锟斤拷)锟斤拷處锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷群锟絩锟斤拷Q锟酵伙拷锟斤拷锟较诧拷锟絊锟斤拷锟斤拷P锟斤拷锟斤拷锟接讹拷锟斤拷锟斤拷锟斤拷锟紷锟斤拷試锟斤拷f锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟絎锟斤拷锟斤拷锟絉锟界壓锟斤拷锟斤拷钱a(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絉锟界壓锟筋，锟統锟斤拷锟剿時锟斤拷锟統前锟襟壓诧拷锟絇_c锟酵縮锟斤拷處锟斤拷锟斤拷锟絇v_c锟斤拷锟斤拷锟斤拷锟矫夛拷锟斤拷锟街忥拷系锟斤拷(sh锟斤拷)F_L锟斤拷F(xi锟斤拷n)_L值锟侥达拷小取锟絈锟斤拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟統锟侥結(ji锟斤拷)锟斤拷(g锟斤拷u)锟轿狀。
     锟斤拷試锟絖锟斤拷锟侥革拷锟斤拷y锟斤拷F_L值見锟斤拷3-1  

116F_L锟斤拷锟斤拷锟斤拷锟斤拷锟絰锟斤拷锟斤拷锟斤拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟統計锟斤拷锟斤拷锟斤拷锟斤拷\锟斤拷锟斤拷

      F_L锟饺可憋拷示锟斤拷同锟統锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷傻膲锟斤拷锟斤拷謴停锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷y锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷傻锟斤拷锟斤拷锟较碉拷锟�(sh锟斤拷)計锟斤拷锟絗锟斤拷锟斤拷還要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接伙拷锟斤拷锟斤拷锟斤拷锟接碉拷锟叫別锟斤拷
      锟斤拷锟紽_L锟斤拷锟絰锟斤拷式锟斤拷3-14锟斤拷锟叫的夛拷锟斤拷锟絇_c锟斤拷锟斤拷該試锟斤拷y锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟接碉拷锟絉锟界壓锟筋。锟紷锟斤拷锟斤拷锟斤拷锟斤拷P锟斤拷锟斤拷P_c锟絩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷P≥锟斤拷P_c锟絩锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷式锟斤拷3-14锟斤拷锟叫可斤拷锟揭猴拷w锟斤拷锟絴(zh锟斤拷)锟侥★拷P_c锟斤拷

117锟斤拷锟絕锟絎锟斤拷锟斤拷flashing锟斤拷锟紽(xi锟斤拷n)锟斤拷锟斤拷

      锟斤拷D3-1锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷P1锟斤拷液锟絯锟斤拷锟斤拷(j锟斤拷ng)锟斤拷(ji锟斤拷)锟斤拷锟阶時锟斤拷锟斤拷锟劫岋拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟給锟斤拷锟斤拷锟紼然锟铰斤拷锟斤拷锟斤拷锟阶猴拷锟斤拷P2锟絖锟斤拷锟斤拷锟竭碉拷锟斤拷該锟斤拷锟絯锟斤拷锟斤拷锟斤拷r锟铰碉拷飽猴拷锟斤拷锟斤拷锟斤拷Pv锟絩锟斤拷锟斤拷锟斤拷液锟絯锟斤拷锟斤拷锟斤拷锟缴氾拷锟絯锟斤拷锟轿筹拷 锟斤拷液锟斤拷锟洁共锟斤拷默F(xi锟斤拷n)锟斤拷锟斤拷锟紷锟絅锟紽(xi锟斤拷n)锟斤拷Q锟斤拷锟絎锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟絎锟斤拷锟絩锟斤拷锟斤拷锟統芯锟斤拷锟統锟斤拷锟斤拷锟斤拷锟斤拷锟絖始锟斤拷锟斤拷锟絞锟狡夛拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷影锟揭猴拷w锟斤拷锟斤拷計锟姐公式锟斤拷锟斤拷锟絖锟斤拷

118锟斤拷锟絕锟秸伙拷锟斤拷cavitation锟斤拷锟紽(xi锟斤拷n)锟斤拷 

锟斤拷锟斤拷a(ch锟斤拷n)锟斤拷锟絎锟斤拷之锟斤拷锟斤拷P2锟斤拷锟角憋拷锟斤拷锟斤拷飽猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰ｏ拷锟斤拷锟斤拷锟斤拷锟絰锟絖锟斤拷(ji锟斤拷)锟斤拷锟斤拷之锟斤拷锟斤拷锟紼然锟斤拷锟斤拷锟斤拷锟紷锟絩锟斤拷锟捷產(ch锟斤拷n)锟斤拷锟斤拷锟窖诧拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷液锟紹(t锟斤拷i)锟斤拷锟紷锟斤拷锟絕锟教硷拷锟斤拷栈锟斤拷锟斤拷锟�锟斤拷锟缴此匡拷見锟斤拷锟秸伙拷锟斤拷锟斤拷锟斤拷一锟斤拷锟絕锟教的兩傦拷锟紸锟轿ｏ拷一锟斤拷锟紸锟斤拷锟斤拷液锟絯锟斤拷(n锟斤拷i)锟斤拷锟轿成匡拷腔锟斤拷锟斤拷锟�锟斤拷锟斤拷锟絎锟斤拷锟紸锟斤拷锟斤拷***锟斤拷锟紸锟斤拷锟斤拷锟紷些锟斤拷锟捷碉拷锟斤拷锟窖ｏ拷锟斤拷锟秸伙拷锟紸锟斤拷锟斤拷

119锟秸伙拷锟斤拷锟矫庯拷锟斤拷锟斤拷些影锟�锟斤拷

      一锟角產(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷D3-6锟斤拷示锟斤拷锟絊锟斤拷锟斤拷锟捷硷拷锟斤拷锟斤拷锟統锟侥癸拷(ji锟斤拷)锟斤拷锟阶猴拷锟斤拷锟斤拷K锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷然影锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷r锟斤拷
    锟斤拷锟角產(ch锟斤拷n)锟斤拷锟斤拷锟絞锟斤拷锟斤拷D3-7锟斤拷示锟斤拷锟絘(ch锟斤拷n)锟斤拷锟秸伙拷锟斤拷锟矫時锟斤拷锟节縮锟斤拷處锟侥猴拷锟斤拷锟斤拷锟节夛拷锟斤拷锟街復ｏ拷锟斤拷锟竭的夛拷锟斤拷锟斤拷锟絪锟斤拷锟斤拷锟斤拷锟絖锟斤拷锟絉锟斤拷叽锟侥氾拷锟斤拷锟絖始變?y锟斤拷u)锟紼锟紸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿憋拷锟斤拷锟絖始變平锟斤拷然锟斤拷突然锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚锟较ｏ拷锟絘(ch锟斤拷n)锟斤拷锟絆锟斤拷臎_锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诮咏锟斤拷锟�(ji锟斤拷)锟斤拷锟阶猴拷墓锟斤拷w锟斤拷锟斤拷處锟斤拷锟斤拷锟斤拷锟紷锟絅锟絖锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷撕锟窖诧拷锟较憋拷锟芥，锟轿筹拷锟斤拷锟斤拷锟矫猴拷锟斤拷拇植诒锟斤拷锟�锟斤拷     

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