Proiect Dinamica Autovehiculelor II

8/16/2019 Proiect Dinamica Autovehiculelor II

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Proiect dinamica autovehiculelor II

TemaSa se efectueze calcul dinamic pentru o autobasculanta echipat cu motor MAC cu putere

maxima de 163 KW la 2850 rpm avand greutate utila 7.9 t

Autobasculante similareFAW dumo truck 8-10 tone

Engine: CA6DF3-18E3F 200 CP

Transmisie: Fuller 7Ds100

Dimensiuni de gabarit:

-lungime: 7800 m

-Inaltime 3000 m

-latime 2190 m

Greutate proprie: 7100 kg

Greutate totala: 18000 kg

Greutate utila: 9900 kg

Ampatament: 4300 mm

Consola din fata: 1330 mm

Autobascuanta Proiectat

Dimensiuni de gabarit:

-Lungimea A=6760mm

-Inaltimea H=3100mm

-latimea l=2300mm

Ampatament L=3750 mm

Ecartamentul =1914 mm (fata)

=1847 mm (spate)

Consola fata =1330 mm

Consola spate =1680 mm

Unghi de atac Alfa1=28

Ungi de degajare Alfa2=32

Greutate proprie 11000 kg


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Greutate utila =7900 kg

Greutate totala G= 18000 Kg

Greutate repartiata pe punti=11500

kg

=6500kg

Determinarea pozitia centrului de greutate:

=˃ b=1125 mm

=˃ a=1125 mm

Dimensiunile roti si stabilirea razei dinamice

10.00x20-16PR

Balonajul = 254 mm 0.254 m

Diametrul jantei = 508 mm 0.508 mInaltimea H = 228.6 mm 0.2286 m

rn = 482.6 mm 0.4826 m raza nominalar = 458.47 mm 0.45847 m raza de lucru


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Denumire autovehicul: Autobasculanta

Tipul motorului: M.A.C.

Puterea nominala: Pn = 163 kW

Turatia nominala: nn = 2850 rot/min

Greutate utila G = 7900 Kg

1. Caracteristica externa

1.1. Curba puterii

Se adopta: ce=nM/nn= 0.6 nM=ce*nn= 1710 rot/min

0.75

1.5

-1.25

1.3. Consumul specific

Se adopta: ce= 260 g/kWhce=230…270

g/kWh

alfa1'= 0.75

alfa2'= 1.5

alfa3'= -1.25

Randament n= 0.28


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Valorile sunt aratate in tabelul 1.1

Tabelul 1.1

ni [rot/min] Pei [kW] Mei [Nm] ci [g/kwh] C [kg/h]

1000 64.195 451.027 235.206 15.099

1100 71.892 459.190 231.024 16.609

1200 79.611 466.116 227.592 18.119

1300 87.298 471.805 224.847 19.629

1400 94.900 476.257 222.745 21.139

1500 102.365 479.473 221.251 22.648

1600 109.640 481.452 220.342 24.158

1700 116.672 482.194 220.003 25.668

1710 117.360 482.200 220.000 25.819

1800 123.409 481.699 220.229 27.178

1900 129.796 479.968 221.023 28.688

2000 135.783 476.999 222.399 30.198

2100 141.315 472.794 224.377 31.708

2200 146.3403 467.352 226.989 33.2182300 150.8058 460.674 230.280 34.728

2400 154.6587 452.758 234.306 36.237

2500 157.8462 443.606 239.140 37.747

2600 160.3155 433.217 244.875 39.257

2700 162.0138 421.591 251.628 40.767

2800 162.8882 408.729 259.546 42.277

2850 163 401.833 264.000 43.032

3000 0 0.000 500.000 20.000


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0.000

5.000

10.000

15.000

20.000

25.000

30.000

35.000

40.000

45.000

50.000

55.000

60.000

65.000

70.000

75.000

80.000

85.000

90.000

95.000

100.000

105.000

110.000

115.000

120.000

125.000

130.000

135.000140.000

145.000

150.000

155.000

160.000

165.000

170.000

175.000

180.000

185.000

190.000

195.000

200.000

150.000

170.000

190.000

210.000

230.000

250.000

270.000

290.000

310.000

330.000

350.000

370.000

390.000

410.000

430.000

450.000

470.000

490.000

510.000

530.000

1 0 0 0

1 1 0 0

1 2 0 0

1 3 0 0

1 4 0 0

1 5 0 0

1 6 0 0

1 7 0 0

1 8 0 0

1 9 0 0

2 0 0 0

2 1 0 0

2 2 0 0

2 3 0 0

2 4 0 0

2 5 0 0

2 6 0 0

2 7 0 0

2 8 0 0

2 8 5 0

3 0 0 0

Mei [Nm] ci [g/kwh] C [kg/h] Pei [kW]

Caracteristica

externăMe

(Nm)Pe

(kW)

n rot/min


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2. Calcul Vitezei Maxime

Se adopta:

coeficientul de rezistenta a aerului cx= 0.7

densitatea aerului 1.226 kg/m2

Randamentul transmisiei 0.95

Coeficientul aerodinamic 0.429

Factorul de rezistenta la rulare f= 0.02

f=0,01…0,015

Suprafata frontala maxima S=B*H= 7099000 mm2

7.099 m2

Viteza maxima

1159.3533

50834.144

26.9541 m/s

Se adopta vmax= 25 m/s sau 90 km/h

3. Determinarea rapoartelor de transmitere

Se determină din condiția obținerii vitezei max. în priza directă a cutiei de viteze cu relația: Raportul de transmitere al reductorului central

5.75


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Raportul de transmitere pentru treapta I:

Coeficientul maxim al rezistenței totale a drumului:

0.23

6.49 13.48

Se adoptă: 8,19

Număr detrepte:

9

Rația:

6.3

4.84

3.72

2.86

2.2


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1.69

1.3

1

Turația minimă de schimbare a treptelor:

í

2192.3

Treapta

de

Rap.tran

s

viteză iK

iKI= 1 8,19

iKII= 2 6.30

iKIII= 3 4.84

iKIV= 4 3.72

iKV= 5 2.86

iKVI= 6 2.20

iKVII= 7 1.69

iKVIII= 8 1.30

iKIX= 9 1.00


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n(rot/min) Pe (kW) Me(Nm) VI (m/s)

VII

(m/s)

VIII

(m/s) VIV(m/s)

VV

(m/s)

1000 64.19468 451.0268 1.07 1.39 1.81 2.35 3.06

1100 71.89214 459.1896 1.17 1.53 1.99 2.58 3.36

1200 79.61073 466.11571.28 1.67 2.17 2.82 3.67

1300 87.29763 471.8049 1.39 1.80 2.35 3.05 3.97

1400 94.90004 476.2573 1.49 1.94 2.53 3.29 4.28

1500 102.3651 479.473 1.60 2.08 2.71 3.52 4.58

1600 109.6401 481.4519 1.71 2.22 2.89 3.76 4.89

1700 116.6722 482.1939 1.81 2.36 3.07 3.99 5.20

1710 117.36 482.2001 1.83 2.37 3.09 4.02 5.23

1800 123.4085 481.6992 1.92 2.50 3.25 4.23 5.50

1900 129.7963 479.9677 2.03 2.64 3.43 4.46 5.81

2000 135.7827 476.9994 2.13 2.78 3.61 4.70 6.11

2100 141.315 472.7943 2.24 2.91 3.79 4.93 6.42

2192 146.3403 467.3524 2.34 3.04 3.96 5.15 6.70

2200 146.3403 467.3524 2.35 3.05 3.97 5.17 6.72

2300 150.8058 460.6738 2.45 3.19 4.15 5.40 7.03

2400 154.6587 452.7583 2.56 3.33 4.33 5.64 7.34

2500 157.8462 443.6061 2.67 3.47 4.52 5.87 7.64

2600 160.3155 433.217 2.78 3.61 4.70 6.11 7.95

2700 162.0138 421.5912 2.88 3.75 4.88 6.34 8.25

2800 162.8882 408.7285 2.99 3.89 5.06 6.58 8.56

2850 163 401.8334 3.04 3.95 5.15 6.70 8.71


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VVI

(m/s)

VVII(m/s) VVIII

(m/s)

VIX

(m/s)

3.97 5.17 6.72 8.74

4.37 5.69 7.40 9.62

4.77 6.21 8.07 10.495.17 6.72 8.74 11.36

5.56 7.24 9.41 12.24

5.96 7.76 10.09 13.11

6.36 8.28 10.76 13.99

6.76 8.79 11.43 14.86

6.79 8.85 11.50 14.95

7.15 9.31 12.10 15.74

7.55 9.83 12.78 16.61

7.95 10.35 13.45 17.48

8.34 10.86 14.12 18.36

8.71 11.34 14.74 19.16

8.74 11.38 14.79 19.23

9.14 11.90 15.47 20.11

9.54 12.41 16.14 20.98

9.93 12.93 16.81 21.85

10.33 13.45 17.48 22.73

10.73 13.97 18.16 23.60

11.13 14.48 18.83 24.48

11.32 14.74 19.16 24.91


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0.00

5.00

10.00

15.00

20.00

25.00

30.00

0

100

200

300

400

500

600

1000 1500 2000 2500 3000

v I T E Z A ( M / S )

M o m e t u l

Rotatia

Pe (kW)

Me(Nm)

VI (m/s)

VII (m/s)

3.96

5.15

6.70

8.71

11.34

14.74

19.16

Diagrama

ferăstrău

Diagrama

ferăstrău


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Variatii

delta1 1.173

delta 2 1.105

delta 3 1.064

delta 4 1.040

delta 5 1.026

delta 6 1.017

delta 7 1.012

delta 8 1.009

delta 9 1.008

Im 0.4 kgm2

IR 25 kgm2

5,75


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Turația Puterea Moment Treapta I

n(rot/min

)

Pe (Kw) Me (Nm) VI (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)

1000 64.195 613.059 1.067 55335.104 0.268 2.070 0.483

1100 71.892 624.155 1.174 56336.576 0.272 2.111 0.474

1200 79.611 633.569 1.281 57186.310 0.277 2.145 0.466

1300 87.298 641.302 1.388 57884.305 0.280 2.173 0.460

1400 94.900 647.354 1.494 58430.562 0.283 2.195 0.455

1500 102.365 651.725 1.601 58825.081 0.284 2.211 0.452

1600 109.640 654.415 1.708 59067.862 0.286 2.221 0.450

1700 116.672 655.423 1.815 59158.905 0.286 2.225 0.450

1800 123.409 654.751 1.921 59098.210 0.286 2.222 0.4501900 129.796 652.397 2.028 58885.777 0.285 2.213 0.452

2000 135.783 648.363 2.135 58521.605 0.283 2.199 0.455

2100 141.315 642.647 2.241 58005.695 0.280 2.178 0.459

2200 146.340 635.250 2.348 57338.048 0.277 2.150 0.465

2300 150.806 626.172 2.455 56518.662 0.273 2.117 0.472

2400 154.659 615.413 2.562 55547.538 0.268 2.078 0.481

2500 157.846 602.973 2.668 54424.675 0.263 2.032 0.492

2600 160.316 588.851 2.775 53150.075 0.257 1.981 0.505

2700 162.014 573.049 2.882 51723.737 0.250 1.923 0.520

2800 162.888 555.565 2.989 50145.660 0.242 1.859 0.538

2850 163.000 546.193 3.042 49299.720 0.238 1.825 0.548


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Treapta II

VII (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)

1.388 42565.465 0.206 1.650 0.606

1.526 43335.828 0.210 1.683 0.594

1.665 43989.469 0.213 1.711 0.584

1.804 44526.388 0.215 1.734 0.577

1.943 44946.586 0.217 1.752 0.571

2.081 45250.063 0.219 1.765 0.567

2.220 45436.817 0.220 1.773 0.564

2.359 45506.850 0.220 1.776 0.563

2.498 45460.162 0.220 1.774 0.564

2.636 45296.751 0.219 1.767 0.566

2.775 45016.619 0.218 1.754 0.570

2.914 44619.766 0.216 1.737 0.576

3.053 44106.191 0.213 1.715 0.583

3.191 43475.894 0.210 1.688 0.593

3.330 42728.875 0.206 1.655 0.604

3.469 41865.135 0.202 1.618 0.618

3.608 40884.673 0.197 1.576 0.635

3.746 39787.490 0.192 1.528 0.654

3.885 38573.585 0.186 1.476 0.678

3.955 37922.862 0.183 1.448 0.691


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Treapta III

VIII (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)

1.806 32701.087 0.158 1.273 0.785

1.987 33292.922 0.161 1.300 0.770

2.167 33795.084 0.163 1.322 0.757

2.348 34207.575 0.165 1.340 0.746

2.529 34530.393 0.167 1.354 0.738

2.709 34763.540 0.168 1.364 0.733

2.890 34907.015 0.169 1.370 0.730

3.070 34960.818 0.169 1.373 0.729

3.251 34924.950 0.169 1.371 0.7303.432 34799.409 0.168 1.365 0.733

3.612 34584.196 0.167 1.355 0.738

3.793 34279.312 0.165 1.341 0.746

3.974 33884.756 0.163 1.323 0.756

4.154 33400.528 0.161 1.301 0.769

4.335 32826.628 0.158 1.275 0.784

4.515 32163.056 0.155 1.245 0.803

4.696 31409.812 0.151 1.211 0.826

4.877 30566.897 0.147 1.173 0.852

5.057 29634.309 0.143 1.131 0.884

5.148 29134.389 0.140 1.109 0.902


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Treapta IVVIV

(m/s)FR (N) D

aa

(m/s2)1/aa (s2/m)

2.350 25133.894 0.121 0.957 1.045

2.585 25588.774 0.124 0.977 1.023

2.820 25974.734 0.125 0.995 1.005

3.055 26291.772 0.127 1.009 0.991

3.290 26539.889 0.128 1.020 0.981

3.525 26719.085 0.129 1.027 0.973

3.760 26829.359 0.129 1.032 0.9693.995 26870.712 0.130 1.034 0.968

4.230 26843.143 0.129 1.032 0.969

4.465 26746.653 0.129 1.027 0.974

4.700 26581.242 0.128 1.019 0.982

4.935 26346.909 0.127 1.008 0.993

5.170 26043.655 0.125 0.993 1.007

5.405 25671.480 0.123 0.976 1.025

5.640 25230.383 0.121 0.955 1.047

5.875 24720.365 0.119 0.931 1.0746.110 24141.426 0.116 0.904 1.107

6.345 23493.565 0.113 0.873 1.145

6.580 22776.783 0.109 0.840 1.191

6.697 22392.547 0.107 0.822 1.216


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Treapta V

VV (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)

3.057 19323.370 0.093 0.700 1.428

3.362 19673.090 0.095 0.716 1.397

3.668 19969.822 0.096 0.729 1.371

3.974 20213.567 0.097 0.740 1.352

4.279 20404.323 0.098 0.748 1.337

4.585 20542.092 0.099 0.754 1.327

4.891 20626.873 0.099 0.757 1.321

5.196 20658.665 0.099 0.758 1.320

5.502 20637.470 0.099 0.756 1.323

5.808 20563.287 0.099 0.752 1.331

6.113 20436.116 0.098 0.745 1.343

6.419 20255.957 0.097 0.735 1.360

6.724 20022.810 0.096 0.724 1.382

7.030 19736.676 0.094 0.709 1.410

7.336 19397.553 0.092 0.693 1.444

7.641 19005.442 0.090 0.673 1.485

7.947 18560.344 0.088 0.652 1.535

8.253 18062.257 0.086 0.627 1.594

8.558 17511.183 0.083 0.600 1.6658.711 17215.775 0.081 0.586 1.706


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Treapta Vl

VIV (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)

3.974 14864.131 0.071 0.496 2.014

4.371 15133.146 0.073 0.508 1.968

4.768 15361.402 0.074 0.518 1.931

5.166 15548.898 0.075 0.526 1.902

5.563 15695.633 0.075 0.531 1.882

5.960 15801.609 0.075 0.535 1.868

6.358 15866.825 0.076 0.537 1.862

6.755 15891.281 0.076 0.537 1.863

7.152 15874.977 0.075 0.535 1.870

7.550 15817.913 0.075 0.531 1.885

7.947 15720.089 0.074 0.524 1.907

8.344 15581.505 0.074 0.516 1.937

8.742 15402.162 0.072 0.506 1.975

9.139 15182.058 0.071 0.494 2.024

9.537 14921.194 0.070 0.480 2.083

9.934 14619.571 0.068 0.464 2.155

10.331 14277.187 0.066 0.446 2.242

10.729 13894.044 0.064 0.426 2.347

11.126 13470.141 0.062 0.404 2.47411.325 13242.904 0.061 0.392 2.548


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Treapta VllVIV (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)

5.173 11418.355 0.055 0.335 2.989

5.690 11625.008 0.055 0.343 2.917

6.207 11800.350 0.056 0.350 2.861

6.724 11944.380 0.057 0.355 2.820

7.242 12057.100 0.057 0.358 2.793

7.759 12138.509 0.057 0.360 2.779

8.276 12188.607 0.057 0.360 2.777

8.794 12207.393 0.057 0.359 2.787

9.311 12194.869 0.057 0.356 2.811

9.828 12151.033 0.056 0.351 2.847

10.345 12075.887 0.056 0.345 2.898

10.863 11969.429 0.055 0.337 2.965

11.380 11831.661 0.054 0.328 3.050

11.897 11662.581 0.053 0.317 3.155

12.414 11462.190 0.051 0.304 3.286

12.932 11230.489 0.050 0.290 3.446

13.449 10967.476 0.048 0.274 3.645

13.966 10673.152 0.047 0.257 3.892

14.483 10347.517 0.045 0.238 4.202

14.742 10172.958 0.044 0.228 4.388


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Treapta Vlll


6.724 8783.350 0.041 0.207 4.831

7.397 8942.314 0.042 0.212 4.716

8.069 9077.192 0.042 0.216 4.635

8.742 9187.985 0.042 0.218 4.585

9.414 9274.692 0.043 0.219 4.565

10.087 9337.315 0.042 0.219 4.573

10.759 9375.851 0.042 0.217 4.610

11.432 9390.302 0.042 0.214 4.678

12.104 9380.668 0.042 0.209 4.77812.777 9346.949 0.041 0.203 4.915

13.449 9289.144 0.040 0.196 5.095

14.121 9207.253 0.039 0.188 5.328

14.794 9101.277 0.038 0.178 5.625

15.466 8971.216 0.037 0.166 6.007

16.139 8817.069 0.036 0.154 6.501

16.811 8638.837 0.034 0.140 7.153

17.484 8436.520 0.033 0.124 8.037

18.156 8210.117 0.031 0.108 9.286

18.829 7959.629 0.029 0.090 11.163

19.165 7825.352 0.028 0.080 12.497


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Treapta lX


8.742 6756.423 0.031 0.104 9.619

9.616 6878.703 0.031 0.106 9.467

10.490 6982.455 0.031 0.106 9.431

11.364 7067.681 0.031 0.105 9.508

12.239 7134.379 0.031 0.103 9.703

13.113 7182.550 0.030 0.100 10.032

13.987 7212.193 0.030 0.095 10.522

14.861 7223.310 0.029 0.089 11.219

15.735 7215.899 0.028 0.082 12.20016.609 7189.961 0.028 0.074 13.598

17.484 7145.495 0.027 0.064 15.662

18.358 7082.502 0.025 0.053 18.905

19.232 7000.983 0.024 0.041 24.581

20.106 6900.935 0.023 0.027 36.757

20.980 6782.361 0.021 0.012 80.207

21.855 6645.260 0.020 -0.004 -283.115

22.729 6489.631 0.018 -0.021 -48.091

23.603 6315.475 0.016 -0.039 -25.434

24.477 6122.791 0.014 -0.059 -16.919

24.914 6019.502 0.013 -0.069 -14.395


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0.000

0.050

0.100

0.150

0.200

0.250

0.300

0.350

0.000 5.000 10.000 15.000 20.000 25.000 30.000

Variația factorului dinamic în funcție de viteză


23/35

0.000

2.000

4.000

6.000

8.000

10.000

12.000

14.000

0.000 5.000 10.000 15.000 20.000 25.000

Inversul accelerațiilor în funcție de viteză


24/35

-0.500

0.000

0.500

1.000

1.500

2.000

2.500

0.000 5.000 10.000 15.000 20.000 25.000 30.000

Variația accelerației în funcție de viteză


25/35

0.000

10000.000

20000.000

30000.000

40000.000

50000.000

60000.000

70000.000

0.000 5.000 10.000 15.000 20.000 25.000 30.000

Variația forței la roata în funcție de viteză


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VI (m/s)1/aa

(s2/m)td (s) Sd (m)

1.067 0.483 0.258 0.138

1.174 0.474 0.309 0.195

1.281 0.466 0.359 0.256

1.388 0.460 0.408 0.322

1.494 0.455 0.457 0.393

1.601 0.452 0.506 0.468

1.708 0.450 0.554 0.547

1.815 0.450 0.602 0.632

1.921 0.450 0.650 0.722

2.028 0.452 0.698 0.817

2.135 0.455 0.746 0.917

2.241 0.459 0.795 1.0242.348 0.465 0.845 1.137

2.455 0.472 0.895 1.257

2.562 0.481 0.945 1.385

2.668 0.492 0.997 1.521

2.775 0.505 1.051 1.666

2.882 0.520 1.105 1.820

2.989 0.538 1.162 1.986

3.042 0.548 1.191 2.074

3.053 0.583 1.197 2.092

3.191 0.593 1.278 2.347

3.330 0.604 1.361 2.617

3.469 0.618 1.446 2.906

3.608 0.635 1.533 3.213

3.746 0.654 1.623 3.542

3.885 0.678 1.715 3.895

3.955 0.691 1.762 4.081

3.974 0.756 1.776 4.135

4.154 0.769 1.914 4.695

4.335 0.784 2.054 5.290

4.515 0.803 2.197 5.924

4.696 0.826 2.344 6.602

4.877 0.852 2.496 7.327

5.057 0.884 2.653 8.106


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5.148 0.902 2.733 8.517

5.170 1.007 2.755 8.627

5.405 1.025 2.994 9.890

5.640 1.047 3.237 11.234

5.875 1.074 3.486 12.6706.110 1.107 3.743 14.205

6.345 1.145 4.007 15.853

6.580 1.191 4.282 17.626

6.697 1.216 4.423 18.565

6.724 1.382 4.458 18.801

7.030 1.410 4.885 21.735

7.336 1.444 5.321 24.868

7.641 1.485 5.769 28.220

7.947 1.535 6.230 31.817

8.253 1.594 6.708 35.691

8.558 1.665 7.206 39.878

8.711 1.706 7.464 42.103

8.742 1.975 7.520 42.594

9.139 2.024 8.315 49.697

9.537 2.083 9.131 57.315

9.934 2.155 9.973 65.511

10.331 2.242 10.846 74.361

10.729 2.347 11.758 83.960

11.126 2.474 12.715 94.426

11.325 2.548 13.214 100.027

11.380 3.050 13.369 101.782

11.897 3.155 14.974 120.460

12.414 3.286 16.640 140.711

12.932 3.446 18.381 162.777

13.449 3.645 20.215 186.969

13.966 3.892 22.164 213.68714.483 4.202 24.257 243.464

14.742 4.388 25.368 259.698

14.794 5.625 25.627 263.522

15.466 6.007 29.538 322.697

16.139 6.501 33.744 389.154

16.811 7.153 38.335 464.787


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17.484 8.037 43.442 552.362

18.156 9.286 49.266 656.153

18.829 11.163 56.142 783.296

19.165 12.497 60.119 858.855

19.232 24.581 61.366 882.78820.106 36.757 88.176 1410.122

20.980 80.207 139.300 2460.371

21.855 -283.115 50.610 560.871

22.729 -48.091 -94.156 -2666.222

23.603 -25.434 -126.293 -3410.698

24.477 -16.919 -144.805 -3855.731

24.914 -14.395 -151.649 -4024.737

0.000

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40.000

60.000

80.000

100.000

120.000

140.000

160.000

0.000 5.000 10.000 15.000 20.000 25.000

Variația timpului de demaraj în funcție de viteză


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0.000

500.000

1000.000

1500.000

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2500.000

3000.000

0.000 5.000 10.000 15.000 20.000 25.000

Variația spațiului de demaraj în funcție de viteză


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Tipul drumului v [m/s] Sf [m] Sf [m] cu Fa So [m]af

[m/s2]

0 0 0 0 8.025

Asfalt uscat 3 0.56078 0.560724846 4.16078 8.026φ 6 2.24311 2.242273693 9.44311 8.031

0.8 9 5.04699 5.042771793 15.847 8.038

f 12 8.97243 8.959102303 23.3724 8.048

0.018 15 14.0194 13.98691782 32.0194 8.062

18 20.188 20.12065639 41.788 8.078

21 27.4781 27.35356193 52.6781 8.098

24 35.8897 35.67770883 64.6897 8.120

25 38.9428 38.69338774 68.9428 8.128

0 0 0 0 6.131

Drum de

pamant3 0.73394 0.733855598 4.33394 6.133

φ 6 2.93578 2.934350816 10.1358 6.137

0.6 9 6.6055 6.598276134 17.4055 6.145

f 12 11.7431 11.72029967 26.1431 6.155

0.025 15 18.3486 18.29299295 36.3486 6.169

18 26.422 26.30686668 48.022 6.185

21 35.9633 35.75041603 61.1633 6.20424 46.9725 46.6101751 75.7725 6.227

25 50.9684 50.54220593 80.9684 6.235

0 0 0 0 4.120

Asfalt umed 3 1.09218 1.091982134 4.69218 4.122

φ 6 4.36872 4.365556549 11.5687 4.126

0.4 9 9.82962 9.813624422 20.6296 4.134

f 12 17.4749 17.42441129 31.8749 4.1440.02 15 27.3045 27.18155148 45.3045 4.158

18 39.3185 39.06420457 60.9185 4.174

21 53.5168 53.0472021 78.7168 4.193

24 69.8995 69.10122242 98.6995 4.216

25 75.8458 74.90714838 105.846 4.224


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0 0 0 0 2.256

Zapada

batatorita3 1.99442 1.993755996 5.59442 2.258

φ 6 7.97766 7.967122241 15.1777 2.262

0.2 9 17.9497 17.8964976 28.7497 2.270

f 12 31.9107 31.74289093 46.3107 2.280

0.03 15 49.8604 49.45242738 67.8604 2.294

18 71.799 70.95703774 93.399 2.310

21 97.7264 96.17531285 122.926 2.329

24 127.643 125.0135008 156.443 2.352

25 138.501 135.4128113 168.501 2.360


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0

1

2

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4

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6

7

8

9

0 5 10 15 20 25 30

a f

[ m / s 2 ]

v [m/s]

Deceleratia

φ=0.8; f=0.018

φ=0.6; f=0.025

φ=0.4; f=0.02

φ=0.2; f=0.03


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0

50

100

150

200

0 5 10 15 20 25 30

S 0 [ m ]

v [m/s]

Variatia spatiului de oprire (S0) functie de viteza

Asfalt uscat Drum de pamant Asfalt umed Zapada batatorita


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0

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100

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140

0 5 10 15 20 25 30

S f m i n

[ m ]

v [m/s]

Variatia spatiului minim de franare (Sf min) functie de viteza

Asfalt uscat Drum de pamant Asfalt umed

Zapada batatorita Asfalt uscat cu Fa Drum de pamant cu Fa

Asfalt umed cu Fa Zapada batatorita cu Fa

Date post:	05-Jul-2018
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Proiect Dinamica Autovehiculelor II

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