四轮农用运输车

=0.35X238JB/T72351994°0.2kPa10kPa0.5dBA2%3.2.23.2.344.114.214.3125km1Cm=b0SS1CmS0kmSbkm55.15.1.15.1.25.1.35.1.40.3%3mm5.1.55.1.65.25.3–ae5.3.223hA5.45.4.1aa=gmZsjcL2ammZjcNmsmmLmm=BgmZsjz–0.53emmBmmZjzNchA5.4.2266.16.1.123796.6kPa6.1.26.1.34056.1.41min6.26.36.3.11h2%30s1.5m1.2m5cm1/26.3.2=9550eenT4PekWTeNmner/minbGr=tG∆6.35Grkg/hGgtscge=100erPG6geg/kWh6.4.236.4.377.17.27.37.3.1100m7.3.2=tS6.37vm/sSm=tvv12−8ajm/s2v1m/sv280%m/stv1v2scJmax=100tgmax9max=arcsinimim′′s1sα′sin10maxarcsingmFsTmax11Jmax%max°α′°mskgsm′——kgi1i′FTmaxN7.4.247.3.3t–vS–vvtS880%7.3.4maxLjLj88.13.18.28.38.3.1500mm20m=0.25vmax1.1vminvmaxvminBbcv2v2=0.5vmaxCDdev3v3=vmaxEFfGgv1v1G0.5km/h25%8.3.360%50km8.48.4.11215a=SL∆10012gTi=SmLs∆10513gTP=61∑=61Tiig14GTsL/100kmLmLSmgTiL/t100kmgTPL/t100kmmskgb=jgjvv∆10015%vjggTminkm/hvj1.1gTminkm/h8.4.258.3.1bvTSGvTiggTminvjg1.1gTminvj8.3.28.3.399.13.11m/s9.29.3100m30km/h30km/h20km/h9.4755%166Sg=(vvg)2S16°4km/h10.3.23RyRs310.3.350m25m10km/h°12.3.2a1hb100c5030km/h301.5km/h30km/h201km/h600N612.3.33min12.3.2805%10s3/4=Sz(0gvv)217SzgmSzmvgkm/hv0km/hb=1zg1zg2−SS10018%Szg1Szg2m012.4.28F1313.113.1.113.1.20.5%1dBA50m13.1.3200m13.1.4M610m6–5~301.2m3m/s1m/s13.1.610dBA13.1.713.1.8250~1000Hz0.5dBA1dBA13.213.313.3.1~13.3.213.3.1a6CCMAABBP1P2bP1P2P1P21.2mCCCCAc4443/4CCAAAABBAABBAAM15m2dBA13.3.213.3.1CC2dBA13.3.3aGB623620