汽车理论-余志生-课后习题答案详解(全)

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rsta,uv9ឋRSLᜫḄwᜧlAᜧ஺ᓽ*ᨵᏔx=Fay஺zFf—fwF——3ᵨf"1{ᦪ}1.2ஹ{ᦪ~ᨵᐵ{ᦪ~$☢Uஹ()'Ḅ᪀⌼ஹᩞᧇஹd&ᨵᐵ஺1.3ஹ
ḄឋJᵨ4᫏ᡈ5᫏A'ᘤN⌱ᐸḄ
U(᦮ឋJ}1ᑴ¢~()"⊝¤஺2¥Ḅᨬ§'ஹᨬᜧ¨ᚁª«¬ᚁª*p®Ḅ▬Ḽ᳛஺3ᑴ()?'᎔ᦪBCNᵨ¤³´ᑖ\¥ᨵII᫏µ¶?'()·70km/hḄ'
*¸BCNᡈὅᵨ¥ᵨn᫏µ¶?'·70km/hḄ?'*¸஺Ḅᨵᐵᦪº»¼mᵨ᜜ᱯឋḄTq-nBCḄ¿ᔠÀ1Tq=-19.13+259.27(-^-)-165.44(-^)2+40.874(-^-)3-3.8445(Á
Â1000100010001000,Tq1¼ÄÅx
N•mn1¼Å'
r/min-¼ḄᨬÆÅ'nmin=600r/min,ᨬ§Å'nmax=4000r/min@QK2000kg᦮᦮ᜓQK1800kgÈQK3880kgÉÊ0.367mË{Ìᦔ᳛nT=0.85Î{ᦪ/=0.0132Ï{ᦪXÐÑ☢´CDA=2.77mÒÓ'ᘤËÔ<0=5.83ÕÅÄÖK0.218kg•Hl×`ÅÖKZ»v7=1.798kg•Hl2ØaÅÄÖKZw2=3.598kg•HlA'ᘤËÔig(ᦪº᝞Û⊤)

1Iᢘ11ᢱmᢱNᢣVᢔØᢣA'ᘤ6.093.091.711.00
ãᢱA'ᘤ5.562.7691.6441.000.793äsL=3.2mQå·`æstç@}=1.947mQå§ç@}hg=0.9m³1ÝØ᫏1Þ}ᵫFtTTqTqfnufnᓽ—TqlJETF=-19.13+259.27(—)-165.44(—)2+40.874(—)3-3,8445(—)410001000100010000.377”Lt=-------------------g஺()1F+FfwrA2F+F=Gf+-^-UffwVa21.15a=494.312+0.131஺/ᵫ¤ᨵ

2⊝10000Ua(Km/h)îï⚪ñòᵨóh\ô¤ᵫ¼Å'ᙠni=600஻minn=4000r/minNÝýrhᑖþÿᐭ
:2)পᨬ:ᨵ=%+=F,=494.312+0.1310/ᑖᐭ
7*6.9*5.83*0.85"94.312+஺.131(()*0.367+7Ḅ-
.ᐭ/0:n>40001"max—4000r/min0.367*4000.U0.377*=94.93Km/hmax1.0*5.83ফᨬᜧ4ᚁ6:ᢞI᫏:6᠒ᶍ:

3=£=Kmax_(A/+1=Gi=FkGftOLax-G~~fB-஺33=0.366F(3)DEFᚁ6:GHḄ▬Ḽ᳛(p^—>ᶍLMNOPQNO0:FiU0.366*3.2/(p=R-------------=0.6a/la1.9473)জTᑴVWXY᎔ᦪ\](^_`):40.06261dt3Ft-Fw

4252EWSL5Ee二15o.ঝᵨlmntVᵨIV᫏uvYw70km/hḄY:x஺yz{`:VᵨH᫏uvY|}w70km/hᵫ~Q/dt=L஻aniᓽY:x/ᵨlmnWᑖlmtp<—\].6xḄ☢6ḄY:x஺almḄ:xa146.0535s1.4ஹLஹ{:VQOឋᨵᓄaVḄQOឋᢣVᙠ¢£¤☢i¥]WX:<ᵫ¦ᔣ᜜O©ªḄᡠ}¬ᑮḄ®ᙳWX6஺VḄQOឋᨵ°±ᢣ᪗1ᨬ2Y:x3ᨬᜧ4ᚁ6³°±ᢣ᪗ᙳ´VL{ஹ{:ᨵᐵ஺1.5ஹ᝞¶⌱¸V¹Qnº᳛»¼y½ᑣ¿ÀᐜÂÃÄV⚜ÆḄᨬᩭÈv⌱¸¹QnHᨵḄº᳛஺yÂQOឋÉ6p¹¿³ÊQOឋᢣ᪗"max''''P>-(PP^ef+

5ஹJËu+u3¹QnḄᨬᜧÌ᳛H⏀ÎᓃÐÑQ,6Ò%ᜧ7ÓÔnÕQᐵÖ×JØÙÚVḄÛÜÐឋ஺(ÝÞf°ßà)1.6ஹá:F|FᣚᐭØR᫏Ḅ᣸᫏q£3|äå:ḄVº᳛®⊝q1-1o[2^3-ZQJç1/Þ<èéḄêQëìᜧ:<¹Qníᜓº᳛ᜧ☢8Ḅ▬Ḽ@Aᵫ▬ḼᡠD7Ḅᩗ▲ᨬHI᩽▲ᨬᜧLᚁ&᩽▲ᨬᜧNH2(ᙠAᨬᜧLᚁPᨬᜧNH)QFw=0)஺ᐸRᨵᐵUᦪWm=1600kg,CO=0.45,A=2.00Hl,/=0.02,6=1.00.XW1YZF-F:W

6ᨬᜧ\Z▬ḼFxbmax=஽=^஺=6l.5%mg(pYZF-R:Wᨬᜧ\Z▬ḼFxbmax=஽=£஺=(155.7%Ng஺=44.3%mg0cᯠF-F:Ḅ▬Ḽᑭᵨ-.#e஺2>পYZ஺=஺-2W=஽=£0=1928.64NCAoF=F+F=Gf+-^^U᩽▲H:xhbmaxffvvJc11஻21.15=>U=194.8km/hdlllaAFxbmax=Ff+Fj=Gf+Gi᩽▲Lᚁ:Fxbmaxijnax~G~.1928.64tt.=>i=---------------0.02mmaaxx1600*9.8=0.13᩽▲NH:=vwxF-G=L01km/hs
maxdtdm(2)zᳮQᨵW|஺=07),u.=388.Ohn//zdrilaA~04105vxmax=4.023ộ/vNxdt1.8.ḄᨵᐵUᦪ᝞:

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Mmm;=0.25kg•1T1222ᐰḄz/w=4.5kgmvᐸḄ/W=2.25kg•m,Ḅ/w=2.25kg•IIIx஺W|ᙢ☢▬Ḽᦪ0.6)ᙠNHᔲᐙᑖᢵ¡4ᨵḄᨬᜧNHb¢4᝞£¤᦮ᙠஹ§ᔣḄvᓽb5xªQ«¬®¯4ᨵḄᨬᜧNH஺°±X100%₹᳛JLA²Ḅᦋ´Ḅ₹᳛஺µ⚪)·¸§¹Qºᶍ¼½I¾¿½஺µWiᐜA
ᣚ¸ᦪ3W$[1113”vx%3=1+—2+——----------mᔆmᔆÅᐭᦪÇᨵW5=1.4168ᙢ☢È¡ᡭÊË)ᙢ☢ᨬᜧ1Fxblmax=LFt==Fஹb"=6597.36NᵫZÈ̼½I¾¿½ᓽF:ஹᨴÎ=0Ï)
Ðѧ(´F,=Fi+FjTtqigijlt.odu——-----—Gi+cm-----T=1◌V1=140N1A/|eMaxI"ஹ1V1Åᐭᨵ:=>vÒxmax=2.91'd1t//lllaXÓᵫ

8bh(.du\F,=G--------Gsin<7+m——+Fz7]Ldtww)bhdu=G--------m——LLdtduÔÕLxÅᐭ8!ᨵ^,=6180.27Ö3>0.6Ë)W77J1ÔÒ×ᡭÊ×Øᡠ«WᙠNHÈᔲᐙᑖᢵ஺<2>¤᦮W⌕ÚᔲᐙᑖᢵᑣWÜ=0.64Ú:ᐸ:Fxbl=6597.36NÈ´,bhduCJ--m----——------ᑣᵫÝ(:LLdt¯Ò:b=1704.6mmb1704.6*100%=-----------------*100%••₹᳛:L(1250+1450)=63.1%1.9ஹà⋀
Ḅ2152kg,₹52%,₹48%,"2=4.55,´Hᘤ"WᢱW3.79,2âᢱW2.17,ãᢱW1.41,äᢱW1.00,åᢱW0.86.Gg=0.57m,CDA=1.5m,L=2300m,2஻ஹ=kgm2,äæḄ/w=3.6kg•Hl,r=0.367m஺ᙠ▬Ḽᦪ3=0.6Ḅ>☢8çHÊÐèéPêëᢱNHèé᝞ì⚪í1ᡠî஺ï8ðÒñÊÐᦪÇḄòᔠêév=19.76-0597,vḄᓫkm/h,2TḄᓫs,êëᢱᨬᜧNH஺”ax=0.75m/S(s=50km/h).ᔜᢱᦔ᳛ᙳ0.90,A:H

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Ðѧ(:çHÊÐ)~oF.«03Ë)WWFt*ᵫçHÊÐèéòúêéÝ(Q¯WcSdv3
19.76-0.597j—n-----=-------------------------=U.UoUgdtgdti-12êë᫏gீ«ä᫏ýþᐜA
ᣚ¸ᦪ3W0?113%2mrmr5=1.0266Åᐭᦪǯ:Óᨵ÷øÝ(:

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maxWmax=஺7552atD.=0.060+10266*0.75*3.6mlxmax9.81=0.34255n/B/dUஹDmaxߟ0Cmax3
ᵫgdtᨬᜧᚁ:imax=°maxTnz=0.28255max=max=16.41°2.1ஹ“᠒!"ḕ”ᡈὅ”'⌕)*+ḕ,"ḕ”-./0123245ᙳ378஺জᵫ:;ὑ᳛>?@,ᙠBCDEஹFᜧ᫏HIJKᨬḕḄ஺MNOᜓQ᳛F!)*+R₹᳛FT:;ὑ᳛UVWX:;ὑYF!஺ঝ)*+R₹᳛T'K,ḕḄ[\☢^\☢,ᑡḄ`Yᑭᵨcᦪᓽfg`Yh᦮ᜓ`Yjkᜧ!lᐵc,Kᔲḕ”2.2ஹopqrsEᘤh,*uឋஹ:wxឋḄᐵc஺yzজ{ᵨqrsEOᳮ}I~)*+ᱯឋ>?Ḅ◍,ᐹᨵhCQ᳛)*+᪵Ḅ*Q᳛ᐙᑖ)ᢵᑁ:+ḄQ᳛ᜧᙢᦋᗐ,*uឋ஺ঝN)*+ḄR₹᳛TᵨqrsEO)*+ᙠᨬwx+yT:wxឋ஺

112.3ஹᵨ)*+Ḅ“ᨬ!:;ὑᱯឋ”~uyḄQ᳛>?8")*+ᙠᨬwxḄ“qrsEᘤ⁚ᱯឋ”஺5¢'JqrsEᘤ£*kI'h)*+DE¤¥▲Ej§ᨵ᝞ᐵc©nr,ni=0.377-----=A——MoUaªBA2«,¬Ḅ®ᦪA=0.377—i஺¯,•EUa'ᙠ•"⍝²³┡N᪷¶·yḄQ᳛pJ/C%ᵫ“ᨬ!:;ὑᱯឋ”>?¸¹)*+wxḄDEn'e஺ºUa',n'e»ᐭIªᓽqrsEᘤᨵḄ£*k½¾•஺¿Ḅ⍝²I3ENqrsEᘤḄ⁚ᱯឋ஺2.4ஹ᝞ÀÁᦋÂ,ÃÄÅÆ\☢ᩭyT:wxឋ4yzজÈÉÊËÌÍÉÎ`YᜧÏÊÐḄÑÒKᜧÓᙢÔÕ*uஹÖ×uஹᚁuÔEu஺T*uឋ¬fᵨḄᜧ᣸Y)*+BR₹᳛UlKÑÒj஺ঝ,᜜ÚhÛÜÝUCDÞ{ᵨßᓤ?ÛÜá℉yT:wxឋ஺2.5ஹãä,)*+h£*cåᓛç3èéê,:wxឋh*uឋ?oìí0î஺yz)*+ᨬᜧQ᳛⌕ïð*uឋ⌕¸ᨬTEஹkQ᳛ñজᨬ!£*kḄ⌱óôõ⌕Ò,ö⌕ᨬT᫏÷ᨬ!£*k⌱óFᜧOᜓQ᳛ᜧ*uឋFèø)*+R₹᳛FU:wxឋFù஺÷ᨬ!£*k⌱óF!,OᜓQ᳛F!)*+R₹᳛FT:wxឋFèø*uឋù஺ঝ÷ᨬᜧ£*kḄ⌱óF!,ûüឋÝU÷⌱óFᜧᑣsEᘤ£*ksᓄ
ᜧ᫏ᦪ᪀ᩖ஺ঞ᫏ᦪᢵᨬᜧ᳛Ḅ!Ḅ"#$ᚁ&''ឋ
)*᫏+ᦪ,ᙠ./01ὑ᳛345Ḅ6&ឋ7.0ὑ/089ឋ,
)஺2.6ஹ;ᑖ᪆>"ᢱ@!'ឋ#/089ឋḄAB஺CDEF!GH8IJK"LMN."᫏O⌕QR'ឋḄ⌕S஺2.7ஹT⚪V2W⚪1.3XY!Zᵨ0Ḅ\₹ᱯឋ_`ᨵᱯឋ஺\₹ᱯឋbcḄdᔠfgFb=B+5^+^2+^3+^40

12bὑ᳛[g/(kw.h)];Pe"#$%᳛(kw)«492QC-2--(q・Mesrg<就鎏去装0102030405060᳛hekW

132030405060T⚪V20Ḅ\₹ᱯឋ_`ᨵᱯឋa)\₹ᱯឋb)`ᨵᱯឋ1—815r/miti2—1207r/min3-I614r/min4—2012r/min5—2603r/min6-'3006r/min7-34O3r/min8——38O4r/rninn/(rimin-1)Boᔊ83&8151326.8-416,4672.379-5.86290.1776812071354.7-303.9836.657-2.05530.04307216141284.4-189.7514.524-0.511840.006816120121122.9-121.597.0035-0.185170.001855526031141.0-98.8934.4763-0.0910770.0006890630061051.2-73.7142.85930.051380.0003503234031233.9-84.4782.9788~0.0474490,000282303884112.7-45.2910.71113-0.00075215-0.000038568

14dᔠgXḄjᦪFង"0ὑQid—0.299mL/Slង"m"400r/min஺no_pᑴ⚪1.3XY!Ḅ1!᳛r⊝V஺2ᨬ᫏_tᢱḄu"vfw0ὑbc஺ᡈᑭᵨnoSY!ᢥJB3352-83{|Ḅ}4~MNḄvf0ὑ஺noX|/01ὑ᳛b,m"_\₹ᱯឋX|Ḅm"Hu6ᵫm"Ḅ᪷bcᵨS஺}4~Ḅᦪ᝞⊤&'()*/m+,/s()+,4-./(km-hwl)/0J507.27.2251.jj20016.723.925-40ᒴ3.40.III45022,546.4401.-n62514.060.440-50ᒴ3.40.V87518.078.4501.V[107519.397.750-25ᒴ3.4Q.#V2-2஺l0ḄLW0.7g/cm3'D1ீὃ⇋!Ḅ~ு᳛D”_^%.4/3600rTq=-19.13+259.27(^^)-165.44(-^-)2+40.874(^-)3-3.8445(—10001000100010010.377mUa~~IIg஺ᵫJᩩᐵjg6Jpᔜ£᫏+Ḅᨵᦔ᳛V஺¥ᨵ¦'᳛DPf+ᐘ=1(Gfu+ªA.«%%360076140=7.647*10¬33.638+

15ᵫJ®¯5!᳛r⊝V᝞:2)±ὃ⇋Q²~³u"vfw0ὑfg:Pbe1.02upg(L/lOOKm)a0.377mugonnbᵫpজᨬ᫏:H¾¿Pe~18KWi:n=815r/min,ᓽ=\93ArKm!h

16ᵫ\₹ᱯឋbcḄdᔠfg:b=B^+B^2B^3^4o+2++nb=1740.2g/(Kw-7z)=>Q=—#—=231.2,SL02ygii:n=1207r/min,ᓽ=28.64Ktn/hᵫ\₹ᱯឋbcḄdᔠfgDnZ?=295.0g/(Kw/)=>Q=26.0LSiii:n=1614r/min,HP=3S.3OKm/hᵫ\₹ᱯឋbcḄdᔠfgD=>b=305.2g/(Kw-7z)=^Q=20.5LsivDn=2603r/min,ᓽIt=61.77Km/haᵫ\₹ᱯឋbcḄdᔠfgD=>b=280.1g/(Kw^h)=>Q=11.7LSvDn=3403r/min,ᓽ-80.75Km/hᵫ\₹ᱯឋbcḄdᔠfgD=b=431.3g/(Kw7i)nQs=13.6Lvi:n=3884r/min,ᓽU=92.17Km/ha

17ᵫ\₹ᱯឋbcḄdᔠfg:=/?=529.4g/(Kw-7z)nQs=14.8LᦑᨵJᔜ£Ð6JÑᨬ᫏Ḅu"vfw0ὑbcD1.567ὑ89Ua(Km/h)ঝ᪵6ÑtᢱḄu"vfw0ὑbc(ḕᶍ)2.8ஹÖ×@!'ឋஹ/089ឋᨵØÙÚABÛCD2.9ஹFÙÚfᐳ!ÝÞßàNᕒâãᣚᐭ᫏ÛCD!ÝÞßᣚᐭ᫏K\₹᳛ᜧßᜓ᳛ç/089ឋ
.2.10ஹéᑮ'ឋᨬëḄᣚᢱWÙÚÛéᑮ/089ឋᨬëḄᣚ᫏WÙÚ?íὅWᔲÛDজ'ឋᨬëDO⌕{ñ¬(òᓝô)}maxᣚ᫏J1.3⚪VFöᙠ{%-(Fwi+%])}>{F~(F+%2)}ᣚ᫏t2W2ùᯠQR'ឋᨬë஺

18⊝Ua(Km/h)ঝ/089ឋᨬë⌕S\₹᳛ßᜓ᳛.஺ᵫû.Vüᙠᨬ᫏.ßᜓ᳛ᨬ./089ឋᨬë஺%᳛⊝Ua(Km/h)

19ýþᦋ1.3⚪Ḅᘤio5.17ஹ5.43ஹ5.83ஹ6.17ஹ6.33Ḅ!"#ឋ%&'()*+,-i஺/01ឋ2Ḅ3456ᵨ,-ᘤ01ឋ2Ḅ34஺81!Ḅ9:;0.7g/cm3>BCDজio=5.17GHIJKὑ!D8MᨬO᫏QOR8nT34O317minB,ᨬ"#W₹8ᓽ90%W₹ᜧ]18KWB`a!ὑBD_0.377mbDal••go0.377*0.367*3403=9107Km/h1*5.17b=B+B^B^2+B^3^4101+23+=>b=431.3g/(Kw»)]cd“41fᐭhij:PebQs1.02upga=>Q=12.17LG&'D8lJMᨬO᫏ீn᫏ுஹ:ᵫ0&ᑮ96.6Km/hḄ'Bst⚪1.3uvwxyz-lJ,ᙠ|}~ᨵxj:&'t=684.97sঝi0=5.43GHIJKὑ!DQ=12.78L-~j:X&'t=665.78sঞi0=5.83H-J,GHIJKὑ!:Q=13.72L-~j:

20G&'t=643.91sটi஺=6.17GHIJKὑ!:-~j:Q=14.52LG&'t=630.14sঠi8B=6.33GHIJKὑ!:-~jDQ=14.90LsG&'t=624.77sᵫMᦪ~!"#ឋ%&'()᝞h::;ឋ=3.+,89Qs(L)

213ஹ4.|?@MfftAB-CDḄFGIHIJKᳮMḄNᓄPQRᐸTUV?WḄḄ'X,Z⌕⌱]Ὢ_ḄI`abRc,d“Je▲ghi;fl᝞.ᦈ89lᩭn]o89pᕊ.1stᜧ+,Mv+,⚪BJBx:yឋXShhztR+3.+,{|᎝:;ឋᦋFᡠ?@Ḅsᨵᚍᜐf#KB஺Ḅ;ឋ។ᵯឋḄᦢzᙠ.2oḄஹ%᳛ஹ⍳=ஹ3.ஹJᚁ41ctI4e1,ᑣe⌱¡tᜧḄe¢£eᯠᑖ;ឋU᪗§⌱ᵨtRḄMs.V4ஹ2?@ḄW.©AB-ḄªᗓA¬5᫏Wᳮ®.TḄWᳮ°3D,ᡠeB-ឋᨵᡠ±,5²³6ᘤᐹᨵ¶⌲᫏.B¸Ḅ᦮º:;ឋ»ឋᙳᨵᡠ½¾.un4.1%a"ᨵḄ%☢I100km/h⌕`ᑴ஺wbᨵ~2¡¢£¤ᜫᑴ2¦?¨©Ḅ©ª179.27kPaoCDᎷ¯☢°:±²¨©³´°:µ¡D4஻=6.3477Pj©ª8kPaBfᐭᦪjD"h=84.89km/h£4>juᦑᨵ~2¡¢£ᜫ¹ᑴ2¦஺h4.2ᙠunuv⁚».¼½CA700ḄᑴÀᵫÁÂæᦋªÅÂÆæÇḄᑴÈÉÊË஺1..Èᵫ⊤ᡠᑡᦪµ72+Ð72Ḅᦪ/MÑÒᑴᘤᵨ'ḄÓ⌕ឋ஺11W1
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34ËÌ/⚪15ᚖVḄᓄ(1E¢ᑜᡠ⊤@Ḅᐹᨵᔣᦔ¡5.18ᔣ¦§ᱯឋz~q¨ᨵᐵᑖ᪆஺(ᔣ¦§ᱯឋ¬Sq¨(ᔣᘤ®W¯°ᐸᓄ²³ஹᔣᘤᦔ᳛ஹW§ᔣᘤḄᔣ¦µ§ᱯឋஹᔣᩚ¶®W¯ஹᔣᩚ¶ᦔ᳛ஹᵫ:;¸ᔣᩚ¶¬Ḅ¹├»ஹ¼Ḅ½₹ஹ¼¿Àஹ¼§Áᱯឋஹᙢ☢▬ḼᩩÄஹᔣ¦WÅឋஹᔣ4᥅Çȧ°᦮ÊW§Áᱯឋ஺5.19ᙢ☢µᵨS¼Ḅᑗᔣmµᵨ§2᝞"ÍᑴᔣᱯឋḄL@(Yὃ[P152-155஺Í6.1ஹÏÐ᫹ÒÓ☢®ÔÕÊᚖÖHḄ×ØH?ÙÚÛ2-3Ga(f)=0.1Hl-S஺\ᙠ0.5V80Hz⚣᳛ÞᩗÖHᙳs᪷lawpᩗáâ஻w,ᵫ⊤6-2äObÕḄ¹åæç஺(=[£p.5*oèᡈ+■+ì10èí+1Ddf12.5=24.28

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