proiect dinamica autovehiculelor ii
TRANSCRIPT
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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
VIV (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)
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
VIV (m/s) FR (N) D aa (m/s2) 1/aa (s2/m)
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
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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
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-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
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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
20.000
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
2000.000
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
3
4
5
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
20
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60
80
100
120
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