Flood Routing by Modified Puls Method
8
Routing at 26 Hrs Time interval 1 Hrs Sl.no Reservoir level in M Storage in M.cum Outflow in cumecs Sl.no 1 570.00 759.00 20882.24 1 2 571.00 764.20 22766.8 2 3 572.00 769.40 24715.34 3 4 573.00 774.60 26726.87 4 5 574.00 779.80 28520.81 5 6 575.00 785.00 30637.63 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 RESERVOIR FLOOD ROUTING by Modified puls method 1.0 Datas from spillway rating curve D
description
This Excel Sheet made to estimate the maximum reservoir level behind the dam during flood routing
Transcript of Flood Routing by Modified Puls Method
Routing at 26 Hrs
Time interval 1 Hrs
Sl.no Reservoir level in M Storage in M.cum Outflow in cumecs Sl.no
1 570.00 759.00 20882.24 1
2 571.00 764.20 22766.8 2
3 572.00 769.40 24715.34 3
4 573.00 774.60 26726.87 4
5 574.00 779.80 28520.81 5
6 575.00 785.00 30637.63 6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
RESERVOIR FLOOD ROUTING by Modified puls method 1.0
Datas from spillway rating curve
Data from inflow Hydrograph
Time Inflow in cumecs
26 20466.00
27 22418.00
28 23798.00
29 24670.00
30 25254.00
31 25672.00
32 25933.00
33 25945.00
34 25661.00
35 25077.00
36 24226.00
37 23163.00
38 21949.00
39 20642.00
40 19293.00
41 17941.00
42 16609.00
43 15317.00
44 14075.00
45 12899.00
46 11798.00
47 10803.00
48 9852.00
49 8967.00
50 8147.00
51 7391.00
52 6385.00
53 5769.00
54 5151.00
55 4569.00
56 4051.00
57 3539.00
58 3063.00
59 2635.00
60 2257.00
61 1931.00
62 1654.00
63 1426.00
64 1244.00
65 1098.00
66 798.00
67 619.00
Data from inflow Hydrograph
Sl.noReservoir
level in M
Storage
in M.cum
S/T
incumecs
Outflow in
cumecs
Outflow/2
in cumecs
(S/T+O/2) in
cumecs
1 570.00 759.00 210833.33 20882.24 10441.12 221274.45
2 571.00 764.20 212277.78 22766.80 11383.40 223661.18
3 572.00 769.40 213722.22 24715.34 12357.67 226079.89
4 573.00 774.60 215166.67 26726.87 13363.44 228530.10
5 574.00 779.80 216611.11 28520.81 14260.41 230871.52
6 575.00 785.00 218055.56 30637.63 15318.82 233374.37
Sl.noTime in
Hrs
Inflow in
cumecs
Mean
inflow in
cumecs
(S/T-O/2) in
cumecs
(S/T+O/2) in
cumecs
Outflow in
Cumecs
Reservoir
Level in M
1 26.0 20466.00 221274.45 20882.24 570.00
2 27.0 22418.00 21442.00 200392.21 221834.21 21324.23 570.23
3 28.0 23798.00 23108.00 200509.99 223617.99 22732.70 570.98
4 29.0 24670.00 24234.00 200885.29 225119.29 23941.47 571.60
5 30.0 25254.00 24962.00 201177.82 226139.82 24764.54 572.02
6 31.0 25672.00 25463.00 201375.28 226838.28 25337.95 572.31
7 32.0 25933.00 25802.50 201500.33 227302.83 25719.33 572.50
8 33.0 25945.00 25939.00 201583.50 227522.50 25899.67 572.59
9 34.0 25661.00 25803.00 201622.83 227425.83 25820.31 572.55
10 35.0 25077.00 25369.00 201605.53 226974.53 25449.80 572.37
11 36.0 24226.00 24651.50 201524.73 226176.23 24794.43 572.04
12 37.0 23163.00 23694.50 201381.80 225076.30 23906.84 571.59
13 38.0 21949.00 22556.00 201169.46 223725.46 22818.59 571.03
14 39.0 20642.00 21295.50 200906.87 222202.37 21614.93 570.39
15 40.0 19293.00 19967.50 200587.45 220554.95 20314.12 569.70
16 41.0 17941.00 18617.00 200240.83 218857.83 18974.07 568.99
17 42.0 16609.00 17275.00 199883.76 217158.76 17632.48 568.28
18 43.0 15317.00 15963.00 199526.28 215489.28 16314.26 567.58
19 44.0 14075.00 14696.00 199175.02 213871.02 15036.48 566.90
20 45.0 12899.00 13487.00 198834.54 212321.54 13813.01 566.25
21 46.0 11798.00 12348.50 198508.53 210857.03 12656.63 565.64
22 47.0 10803.00 11300.50 198200.40 209500.90 11585.83 565.07
23 48.0 9852.00 10327.50 197915.07 208242.57 10592.25 564.54
24 49.0 8967.00 9409.50 197650.32 207059.82 9658.35 564.04
25 50.0 8147.00 8557.00 197401.47 205958.47 8788.72 563.58
26 51.0 7391.00 7769.00 197169.75 204938.75 7983.55 563.16
27 52.0 6385.00 6888.00 196955.20 203843.20 7118.50 562.70
28 53.0 5769.00 6077.00 196724.69 202801.69 6296.13 562.26
29 54.0 5151.00 5460.00 196505.56 201965.56 5635.92 561.91
30 55.0 4569.00 4860.00 196329.64 201189.64 5023.25 561.58
31 56.0 4051.00 4310.00 196166.39 200476.39 4460.07 561.29
32 57.0 3539.00 3795.00 196016.32 199811.32 3934.93 561.01
33 58.0 3063.00 3301.00 195876.39 199177.39 3434.38 560.74
Computation of Storage Indication Curve:-
Reservoir Routing by Modified Puls Method:-
1
2 Peak Rate of Outflow is 25899.671 Cumecs.
3 Peak Rate of Inflow is 25945 Cumecs.
Corresponding Time 33 Hrs
Corresponding Time 33 Hrs
Results From the Studies:-
Maximum water level in the reservoir 572.59 Meters.
Outflow Vs (S/T+O/2)
S/T
210833.33
211172.10
212251.64
213148.56
213757.55
214169.31
214443.17
214572.67
214515.68
214249.63
213779.01
213122.88
212316.17
211394.91
210397.89
209370.79
208342.52
207332.15
206352.78
205415.03
204528.71
203707.98
202946.44
202230.64
201564.11
200946.97
200283.95
199653.63
199147.60
198678.02
198246.36
197843.86
197460.20
569.00
570.00
571.00
572.00
573.00
574.00
575.00
576.00
750.00 760.00 770.00 780.00 790.00
Recerv
oir
Level
in M
Storage capacity in M.cum
Reservoir Level Vs Storage
Reservoir Level VsStorage
569.00
570.00
571.00
572.00
573.00
574.00
575.00
576.00
0.00 20000.00 40000.00
Recerv
oir
Level
in M
Outflow in cumecs
Reservoir level Vs Outflow
Reservoir level VsOutflow
0.00
5000.00
10000.00
15000.00
20000.00
25000.00
30000.00
35000.00
220000.00 225000.00 230000.00 235000.00
Ou
tflo
w in
cu
mecs
(S/T+O/2) in cumecs
Outflow Vs (S/T+O/2)
Outflow Vs(S/T+O/2)
Time in
Hrs
Inflow in
cumecs
Time in
Hrs
Outflow
in
Cumecs26.0 20466.00 26 20882.24
27.0 22418.00 27 21324.23
28.0 23798.00 28 22732.70
29.0 24670.00 29 23941.47
30.0 25254.00 30 24764.54
31.0 25672.00 31 25337.95
32.0 25933.00 32 25719.33
33.0 25945.00 33 25899.67
34.0 25661.00 34 25820.31
35.0 25077.00 35 25449.80
36.0 24226.00 36 24794.43
37.0 23163.00 37 23906.84
38.0 21949.00 38 22818.59
39.0 20642.00 39 21614.93
40.0 19293.00 40 20314.12
41.0 17941.00 41 18974.07
42.0 16609.00 42 17632.48
43.0 15317.00 43 16314.26
44.0 14075.00 44 15036.48
45.0 12899.00 45 13813.01
46.0 11798.00 46 12656.63
47.0 10803.00 47 11585.83
48.0 9852.00 48 10592.25
49.0 8967.00 49 9658.35
50.0 8147.00 50 8788.72
51.0 7391.00 51 7983.55
52.0 6385.00 52 7118.50
53.0 5769.00 53 6296.13
54.0 5151.00 54 5635.92
55.0 4569.00 55 5023.25
56.0 4051.00 56 4460.07
57.0 3539.00 57 3934.93
58.0 3063.00 58 3434.38
Reservoir Level Vs
Reservoir level VsOutflow
Outflow Vs(S/T+O/2)
Sl.no
Reservoir
level in M
Storage
in M.cum
S/T
incumecs
Outflow in
cumecs
Outflow/2
in cumecs
(S/T+O/2)
in cumecs
1 536.00 582.20 161722.22 -43192.80 -21596.40 140125.82
2 537.00 587.40 163166.67 -41308.24 -20654.12 142512.55
3 538.00 592.60 164611.11 -39423.68 -19711.84 144899.27
4 539.00 597.80 166055.56 -37539.12 -18769.56 147286.00
5 540.00 603.00 167500.00 -35654.56 -17827.28 149672.72
6 541.00 608.20 168944.44 -33770.00 -16885.00 152059.44
7 542.00 613.40 170388.89 -31885.44 -15942.72 154446.17
8 543.00 618.60 171833.33 -30000.88 -15000.44 156832.89
9 544.00 623.80 173277.78 -28116.32 -14058.16 159219.62
10 545.00 629.00 174722.22 -26231.76 -13115.88 161606.34
11 546.00 634.20 176166.67 -24347.20 -12173.60 163993.07
12 547.00 639.40 177611.11 -22462.64 -11231.32 166379.79
13 548.00 644.60 179055.56 -20578.08 -10289.04 168766.52
14 549.00 649.80 180500.00 -18693.52 -9346.76 171153.24
15 550.00 655.00 181944.44 -16808.96 -8404.48 173539.96
16 551.00 660.20 183388.89 -14924.40 -7462.20 175926.69
17 552.00 665.40 184833.33 -13039.84 -6519.92 178313.41
18 553.00 670.60 186277.78 -11155.28 -5577.64 180700.14
19 554.00 675.80 187722.22 -9270.72 -4635.36 183086.86
20 555.00 681.00 189166.67 -7386.16 -3693.08 185473.59
21 556.00 686.20 190611.11 -5501.60 -2750.80 187860.31
22 557.00 691.40 192055.56 -3617.04 -1808.52 190247.04
23 558.00 696.60 193500.00 -1732.48 -866.24 192633.76
24 559.00 701.80 194944.44 152.08 76.04 195020.48
25 560.00 707.00 196388.89 2036.64 1018.32 197407.21
26 561.00 712.20 197833.33 3921.20 1960.60 199793.93
27 562.00 717.40 199277.78 5805.76 2902.88 202180.66
28 563.00 722.60 200722.22 7690.32 3845.16 204567.38
29 564.00 727.80 202166.67 9574.88 4787.44 206954.11
30 565.00 733.00 203611.11 11459.44 5729.72 209340.83
31 566.00 738.20 205055.56 13344.00 6672.00 211727.56
32 567.00 743.40 206500.00 15228.56 7614.28 214114.28
33 568.00 748.60 207944.44 17113.12 8556.56 216501.00
34 569.00 753.80 209388.89 18997.68 9498.84 218887.73
35 570.00 759.00 210833.33 20882.24 10441.12 221274.45
36 571.00 764.20 212277.78 22766.80 11383.40 223661.18
37 572.00 769.40 213722.22 24715.34 12357.67 226079.89
38 573.00 774.60 215166.67 26726.87 13363.44 228530.10
39 574.00 779.80 216611.11 28520.81 14260.41 230871.52
40 575.00 785.00 218055.56 30637.63 15318.82 233374.37
