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锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷锟街機(j锟斤拷)锟矫空夛拷锟紺(j锟斤拷)锟斤拷锟斤拷x锟斤拷锟斤拷锟斤拷锟节诧拷锟斤拷锟斤拷詢锟斤拷锟街機(j锟斤拷)锟矫空夛拷锟紺(j锟斤拷)锟斤拷锟斤拷锟角诧拷知锟斤拷锟斤拷锟斤拷x锟斤拷锟絤锟较的匡拷锟街機(j锟斤拷)锟矫空夛拷锟紺(j锟斤拷)锟斤拷锟襟川庯拷锟斤拷锟剿斤拷锟斤拷謾C(j锟斤拷)锟矫空氣壓锟絪锟紺(j锟斤拷)锟斤拷锟斤拷x锟斤拷 锟斤拷锟街機(j锟斤拷)锟絆(sh锟斤拷)锟斤拷锟斤拷锟斤拷使锟矫的氾拷缀臍锟斤拷锟斤拷锟斤拷苑殖锟斤拷锟斤拷臍锟斤拷锟斤拷锟狡斤拷锟斤拷臍锟斤拷锟锟斤拷 1锟斤拷锟斤拷锟侥氾拷锟斤拷锟角氾拷锟斤拷锟斤拷锟斤拷锟劫讹拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟絩(sh锟斤拷)锟斤拷锟斤拷要锟侥空氾拷g锟絒锟斤拷锟斤拷锟皆憋拷示锟缴ｏ拷 qr=0.0462D^2*um(P+0.102) 锟斤拷锟界：锟阶忥拷D锟斤拷10cm锟斤拷锟斤拷锟斤拷俣葹锟300mm/s锟斤拷使锟矫夛拷锟斤拷锟斤拷0.6Mpa锟斤拷锟絫锟斤拷椎锟斤拷锟斤拷臍锟斤拷锟絨r=0.046*10^2*300*(0.6+0.102)=968.76(L/min)锟斤拷锟斤拷锟斤拷x锟斤拷cv值锟斤拷1.0锟斤拷锟斤拷效锟斤拷锟斤拷e锟斤拷18mm锟斤拷锟揭碉拷電达拷锟統锟斤拷锟缴滿锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷椎锟绞癸拷脡锟斤拷锟斤拷锟0.5Mpa锟斤拷锟斤拷锟斤拷俣葹锟200mm/s锟斤拷锟絫锟斤拷椎锟斤拷锟斤拷臍锟斤拷锟斤拷锟絨r=553.84锟斤拷 锟斤拷锟斤拷讖锟紻锟斤拷50cm锟斤拷锟斤拷锟斤拷俣葹锟300mm/s锟斤拷 使锟矫夛拷锟斤拷锟斤拷0.6Mpa锟斤拷锟絫锟斤拷椎锟斤拷锟斤拷臍锟斤拷锟斤拷锟絨r=242.19锟斤拷锟斤拷锟斤拷x锟斤拷cv值锟絰锟斤拷0.3锟斤拷锟揭的硷拷锟斤拷锟斤拷 PS:锟角官凤拷锟斤拷(j锟斤拷ng)锟(y锟斤拷n)锟斤拷式锟斤拷锟斤拷锟侥氾拷锟斤拷=锟阶忥拷锟斤拷cm計(j锟斤拷)锟斤拷平锟斤拷锟劫筹拷锟斤拷系锟斤拷(sh锟斤拷)10锟斤拷锟剿時(sh锟斤拷)使锟矫夛拷锟斤拷锟斤拷0.6MPa锟斤拷锟斤拷锟斤拷俣葹锟300mm/s锟斤拷 2锟斤拷平锟斤拷锟侥氾拷锟斤拷锟角氾拷锟斤拷跉锟斤拷(d锟斤拷ng)系锟統(t锟斤拷ng)锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷循锟絟(hu锟斤拷n)锟斤拷锟节冿拷(n锟斤拷i)锟斤拷锟斤拷锟侥的空氾拷锟斤拷锟斤拷锟锟斤拷锟斤拷员锟绞撅拷桑锟 qca=0.0157锟斤拷D^2*L+d^2*ld锟斤拷N(p+0.102) 锟斤拷式锟斤拷锟斤拷 qca锟斤拷锟斤拷椎锟狡斤拷锟斤拷臍锟斤拷锟锟斤拷L/min(ANR)锟斤拷 N锟斤拷锟斤拷椎墓锟斤拷锟斤拷l锟斤拷锟斤拷锟斤拷每锟斤拷鐘冿拷(n锟斤拷i)锟斤拷椎锟斤拷锟斤拷锟(f锟斤拷)锟杰旓拷(sh锟斤拷)锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷(f锟斤拷)锟斤拷一锟斤拷锟斤拷锟斤拷/min锟斤拷 L锟斤拷锟斤拷椎锟斤拷谐锟锟斤拷cm锟斤拷 d锟斤拷锟絈锟斤拷锟統锟絚锟斤拷锟街拷g锟斤拷锟斤拷艿膬锟(n锟斤拷i)锟斤拷锟斤拷cm ld锟斤拷锟斤拷艿锟斤拷L(zh锟斤拷ng)锟斤拷锟斤拷cm锟斤拷 锟斤拷锟斤拷锟斤拷锟阶忥拷D锟斤拷100mm锟斤拷10cm锟斤拷锟斤拷锟叫筹拷L锟斤拷100mm锟斤拷10cm锟斤拷锟侥氾拷锟锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟絣锟斤拷N锟斤拷60锟斤拷/min锟斤拷d=10mm锟斤拷1cm锟斤拷锟斤拷ld=60mm锟斤拷6cm锟斤拷锟斤拷 qca=0.0157锟斤拷D^2*L+d^2*ld锟斤拷N(p+0.102)=0.0157*(10^2*10+1^2*6))*60*(0.6+0.102)=666.5251704L/min(ANR). 平锟斤拷锟侥氾拷锟斤拷锟斤拷锟斤拷锟絰锟矫空夛拷锟紺(j锟斤拷)锟斤拷計(j锟斤拷)锟斤拷锟絓(y锟斤拷n)锟紻(zhu锟斤拷n)锟缴憋拷锟斤拷 锟斤拷锟侥氾拷锟斤拷锟斤拷锟斤拷锟絰锟斤拷锟秸氾拷處锟斤拷原锟斤拷锟斤拷锟斤拷锟斤拷锟統锟斤拷锟斤拷艹叽锟饺★拷 锟斤拷锟侥氾拷锟斤拷锟絚平锟斤拷锟侥氾拷锟斤拷之锟斤拷锟斤拷锟斤拷锟絰锟斤拷锟斤拷薜锟斤拷莘e锟斤拷 |