流体力学课后习题答案贾月梅主编

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1、
⚪ᫀᨴ᫥
⚪ᫀᕜᓭᜧᵯ▾Ẇ!ᡠ
⚪ᫀᕜᓭᜧᵯ▾Ẇ!ᡠ
⚪ᫀᕜᓭᜧᵯ▾Ẇ!ᡠ
⚪ᫀᕜᓭᜧᵯ▾Ẇ!ᡠ
⚪ᫀᕜᓭᜧᵯ▾Ẇ!ᡠ
⚪ᫀᕜᓭᜧᵯ▾Ẇ!ᡠᓭᜧᵯ▾Ẇ!ᡠᕜdul34.1710d1.002124.17PaFA4.1711F13.INMFdl13.122M6.55NmPFP13.1113.1W

2、1ᡠ◤34M6.55Nm,67᳛P13.1W஺1-6᝞⚪<1-6ᡠ=>?@▲ᜧḄCDஹF◣Hd,ᎷJ
KLᑖNᕈPឋᑖN஺
RSLm=0.6510-3Pa,WLr=879.12kg/m3஺_`1(1)cm2/sHᓫfḄ
gRSLh(2)cPaHᓫfḄiCDᡠjkᑗmᐸoᔣh(3)cPaHᓫfḄqCDᡠjkᑗmᐸoᔣ஺m/s⚪<1-6r1sF◣tu>ᡠc>vcwHKLxLᡂzP>{ᔠ}~ᑁ᥅J஺(1)cm2/sHᓫfḄ
gRSL1v0.

3、65103v7.4107m2s879.12-6ᓭᜧᵯ▾Ẇ!ᡠᕜdul34.1710d1.002124.17PaFA4.1711F13.INMFdl13.122M6.55NmPFP13.1113.1W1ᡠ◤34M6.55Nm,67᳛P13.1W஺1-6᝞⚪<1-6ᡠ=>?@▲ᜧḄCDஹF◣Hd,ᎷJ
KLᑖNᕈPឋᑖN஺
RSLm=0.6510-3Pa,WLr=879.12kg/m3஺_`1(1)cn)2/sHᓫfḄ
gRSLh(2)cPaHᓫfḄiCDᡠjkᑗmᐸoᔣh(

4、3)cPaHᓫfḄqCDᡠjkᑗmᐸoᔣ஺m/s⚪<1-6r1sF◣tu>ᡠc>vcwHKLxLᡂzP>{ᔠ}~ᑁ᥅J஺(1)cm2/sHᓫfḄ
gRSL1v0.65103v7.4107m2s879.12-6-ᓭᜧᵯ▾Ẇ!ᡠᕜ0.18660.2437.3Pa31.210FAF37.30.13.73N1ᡠ◤ḄHF3.73No1-8᝞⚪<1-8ᡠ=>ᙽ40cm45cm1cmCD>ᐸH5kg,⊤☢ᒴKq&

5、gt;1u=lFAA11803110F0.40.45sHᱥ
ᒴKgR>ᡠcᨵ180mg121351318059.810.105Pas1ḄRSLᦪH0.105Pas»1-9᝞⚪<9ᡠ=>¡¢ᙊ┵
>¥¦z§D=15.2nm,©h=20cm,«ᐙ┵
®1¯ᘤḄ◣±>±◣=0.127mm,ḄRSLᦪ=1.8410-3Pa»ᙊ┵²³¯ᘤc´⚪<1-9-8-ᓭᜧᵯ▾Ẇ!ᡠᕜ0.18660.2437.3Pa31.210FAF37.3

6、0.13.73N1ᡠ◤ḄHF3.73N஺µ8᝞⚪<1-8ᡠ=>ᙽ40cm45cm1cmCD>ᐸH5kg,⊤☢ᒴKq>1u=lFAA11803110F0.40.45sHᱥ
ᒴKgR>ᡠcᨵ180mg121351318059.810.105Pas1ḄRSLᦪH0.105Pas஺¶9᝞⚪<1-9ᡠ=>¡¢ᙊ┵
>¥¦z§D=15.2mm,©h=20cm,«ᐙ┵
®¯ᘤḄ◣±>±◣=0.127mm,ḄR

7、SLᦪ=1.8410-3Pa„ᙊ┵²³¯ᘤc´⚪<1-9-8-ᓭᜧᵯ▾Ẇ!ᡠᕜ0.18660.2437.3Pa31.210FAF37.30.13.73N1ᡠ◤ḄHF3.73No1-8᝞⚪<1-8ᡠ=>ᙽ40cm45cm1cmCD>ᐸH5kg,⊤☢ᒴKq>1u=lFAA11803110F0.40.45sHᱥ
ᒴKgR>ᡠcᨵ180mg121351318059.810.105Pas1ḄRSLᦪH0.105Paso1-9᝞⚪

8、<1-9ᡠ=>¡¢ᙊ┵
>¥¦z§D=15.2mm,©h=20cm,«ᐙ┵
®¯ᘤḄ◣±>±◣=0.127mm,ḄRSLᦪ=1.8410-3Paoᙊ┵²³¯ᘤc´⚪<1-9-8-ᓭᜧᵯ▾Ẇ!ᡠᕜ1-11¸¹ḄKLºᙠ᩽ᙶ᪗v⊤=H1abur,u01T¿ÀÁ1PḄoH³ᦪÂP>ᓽrcedrrdÀÁ1sᐸPoHuruab஺drrdladrdabrbrrladrrbdalnrcbreaCbabrceÀÆ1T2KLºuxax

9、,uybyHÊËᑁ
gRḄ⊤ÌÍ஺