Polavaramdam-Computer Modelling

 

BACKWATER CURVE  COMPETETIONS:

























POLAVARAM Back water profile Calculations 130906 (for n=0.03, 36 lakh cusecs, 140 feet stage near Pdam widths1000,800,1100PAPI 200Hill)











1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25
Station No. Trail Elv. BL depth,m Elv.stage Width Area Discharge Velocity Vel.Head  Total H R Sf term1 Sf term2 Sf Sf avg Length hf he H2 if T2NEK2 HE dy2 trm1 dy2 trm2 dy2 trm3 dy2
Polavaram 0 14 28 42 1000 28000 102000 3.642857 0.676371 42.67637 26.51515 9363600 61314505942 0.000152714










P to PH1 1 -40 84 44 220 18480 102000 5.519481 1.552735 45.55274 47.62887 9363600 58206482451 0.000160869 0.000156791 25000 3.919787 2.874588 49.47075
-3.91801 0.03697 0.048061 0.141013 3.584798
P to PH2 2 -40 87.5848 47.5848 220 19268.66 102000 5.293571 1.428231 49.01303 48.76047 9363600 65287962648 0.00014342 0.000148067 25000 3.701678 2.328452 48.7065
0.306527 0.032614 0.042398 0.1228 -0.28372
Papi hill 3 -40 87.30108 47.30108 220 19206.24 102000 5.310775 1.437529 48.73861 48.67241 9363600 64709909623 0.000144701 0.000148708 25000 3.717693 2.367662 48.76173
-0.02312 0.032933 0.042812 0.124121 0.021377
P to K1 1 21 33 54 800 26400 102000 3.863636 0.76084 54.76084 30.48499 9363600 65620914746 0.000142692 0.000143697 50000 7.184837 -2.18902 53.73443
1.026414 0.046112 0.059945 0.390842 -0.77122
P to K2 2 21 32.22878 53.22878 800 25783.02 102000 3.956091 0.797689 54.02647 29.82567 9363600 60795668600 0.000154018 0.000149359 50000 7.467968 -2.10451 54.10207
-0.0756 0.049502 0.064352 0.431188 0.055307
P to K3 3 21 32.28409 53.28409 800 25827.27 102000 3.949314 0.794958 54.07905 29.87303 9363600 61133380475 0.000153167 0.000148934 50000 7.446698 -2.11091 54.07439
0.004651 0.049248 0.064022 0.428126 -0.00341
Kunavaram 4 21 32.28068 53.28068 800 25824.54 102000 3.949731 0.795126 54.0758 29.87011 9363600 61112525274 0.000153219 0.00014896 50000 7.448004 -2.11052 54.07609
-0.00029 0.049263 0.064042 0.428314 0.000213
K to B1 1 29 26 55 1500 39000 102000 2.615385 0.348636 55.34864 25.12887 9363600 1.10754E+11 8.45442E-05 0.000118882 50000 5.944079 -0.75146 59.26842
-3.91978 0.026818 0.034864 0.280929 3.145728
K to B2 2 29 29.14573 58.14573 1500 43718.59 102000 2.333104 0.27744 58.42317 28.05547 9363600 1.61137E+11 5.81095E-05 0.000105664 50000 5.283213 -0.81705 58.54196
-0.1188 0.019038 0.02475 0.172948 0.103462
K to B3 3 29 29.24919 58.24919 1500 43873.78 102000 2.324851 0.275481 58.52467 28.15132 9363600 1.63021E+11 5.7438E-05 0.000105329 50000 5.266425 -0.81865 58.52358
0.00109 0.018837 0.024488 0.170368 -0.00095
Badradri 4 29 29.24824 58.24824 1500 43872.36 102000 2.324926 0.275499 58.52374 28.15044 9363600 1.63004E+11 5.74441E-05 0.000105332 50000 5.266578 -0.81863 58.52375
-1.1E-05 0.018839 0.02449 0.170391 9.63E-06       

       

 DAM BREAK ANALYSIS

ANALYSIS OF THE DOWNSTREAM FLOOD HYDROGRAPH

               PRODUCED BY THE DAM BREAK OF

 

 

 

 

                                   RP SAGAR)MKS 200 TMC

 

 

                                            ON

 

 

                                    22022006          

 

 

 

 

 

 

                                        ANALYSIS BY

 

                                                                

                                                                 

                                                                

 

 

 

 

 

 

 

 

 

 

 

 

                              BASED ON PROCEDURE DEVELOPED BY

                        DANNY L. FREAD, PH.D., SR. RESEARCH HYDROLOGIST

 

 

                              QUALITY CONTROL TESTING AND OTHER SUPPORT BY

                        JANICE M. LEWIS, RESEARCH HYDROLOGIST

 

 

                              HYDROLOGIC RESEARCH LABORATORY

                              W23, OFFICE OF HYDROLOGY

                              NOAA, NATIONAL WEATHER SERVICE

                              SILVER SPRING, MARYLAND  20910

1

 

 

 

 

 

                              *******************************

                              *******************************

                              ***                         ***

                              ***  SUMMARY OF INPUT DATA  ***

                              ***                         ***

                              *******************************

                              *******************************

 

 

 

                     INPUT CONTROL PARAMETERS FOR RP SAGAR)MKS 200 TMC

 

          PARAMETER                                          VARIABLE      VALUE

         ***************************************************  ******      *******

 

          NUMBER OF DYNAMIC ROUTING REACHES                    KKN           1

 

          TYPE OF RESERVOIR ROUTING                            KUI           0

 

          MULTIPLE DAM INDICATOR                               MULDAM        0

 

          PRINTING INSTRUCTIONS FOR INPUT SUMMARY              KDMP          3

 

          NO. OF RESERVOIR INFLOW HYDROGRAPH POINTS            ITEH         13

 

          INTERVAL OF CROSS-SECTION INFO PRINTED OUT WHEN JNK=9  NPRT        0

 

          FLOOD-PLAIN MODEL PARAMETER                          KFLP          0

 

          METRIC INPUT/OUTPUT OPTION                           METRIC        1

 

 

 

 

                               RP SAGAR)MKS 200 TMC RESERVOIR

 

                             TABLE OF ELEVATION VS SURFACE AREA

 

                         SURFACE AREA (SQ KM)   ELEVATION (M)

                                 SA(K)                 HSA(K)

                        ************************* ****************

 

                                  1130.2             55.00

                                   637.0             45.72

                                   333.0             40.00

                                   238.0             36.00

                                   160.0             32.00

                                    60.0             24.00

                                    22.5             18.00

                                      .0             13.50

1

 

 

 

 

 

                   RP SAGAR)MKS 200 TMC RESERVOIR AND BREACH PARAMETERS

 

          PARAMETER                                   UNITS  VARIABLE      VALUE

         ******************************************* *******  ******  ***********

 

          LENGTH OF RESERVOIR                          KM      RLM         50.00

 

          ELEVATION OF WATER SURFACE                   M       YO          53.32

 

          SIDE SLOPE OF BREACH                                 Z             .05

 

          ELEVATION OF BOTTOM OF BREACH                M       YBMIN       15.00

 

          WIDTH OF BASE OF BREACH                      M       BB         450.00

 

          TIME TO MAXIMUM BREACH SIZE                  HOUR    TFH          2.00

 

          ELEVATION (MSL) OF BOTTOM OF DAM             M       DATUM       13.50

 

          VOLUME-SURFACE AREA PARAMETER                        VOL           .00

 

 

 

          ELEVATION OF WATER WHEN BREACHED             M       HF          53.32

 

          ELEVATION OF TOP OF DAM                      M       HD          52.82

 

          ELEVATION OF UNCONTROLLED SPILLWAY CREST     M       HSP         25.30

 

          ELEVATION OF CENTER OF GATE OPENINGS         M       HGT           .00

 

          DISCHARGE COEF. FOR UNCONTROLLED SPILLWAY            CS            .00

 

          DISCHARGE COEF. FOR GATE FLOW                        CG            .00

 

          DISCHARGE COEF. FOR UNCONTROLLED WEIR FLOW           CDO       4000.00

 

          DISCHARGE THRU TURBINES                      CMS     QT        1200.00

 

 

          QSPILL(K,1)       HEAD(K,1)

             CMS              M  

          ***********       *********

                 0.               .0

              6584.              3.0

             18624.              6.0

             34214.              9.0

             52676.             12.0

             73617.             15.0

             96772.             18.0

            121948.             21.0

 

 

          DHF(INTERVAL BETWEEN INPUT HYDROGRAPH ORDINATES) =     2.00  HRS.

 

          TEH(TIME AT WHICH COMPUTATIONS TERMINATE)=    24.0000  HRS.

 

          BREX(BREACH EXPONENT) =   .000

 

          MUD(MUD FLOW OPTION) =  0

 

          IWF(TYPE OF WAVE FRONT TRACKING) =   0

 

          KPRES(WETTED PERIMETER OPTION) =  0

 

          KSL(LANDSLIDE PARAMETER) =  0

 

          DFR(WINDOW FOR CRITICAL FROUDE NO. IN MIX FLOW ALGORITHM)=       .050

 

 

 

 

 

          INFLOW HYDROGRAPH TO RP SAGAR)MKS 200 TMC

         *******************************************

 

             170000.00 130000.00  90000.00  80000.00  70000.00  60000.00  50000.00  40000.00

              30000.00  20000.00  20000.00  20000.00  20000.00

 

 

 

          TIME OF INFLOW HYDROGRAPH ORDINATES

 

 

                 .0000    2.0000    4.0000    6.0000    8.0000   10.0000   12.0000   14.0000

               16.0000   18.0000   20.0000   22.0000   24.0000

1

 

 

 

 

 

                    CROSS-SECTIONAL PARAMETERS FOR  22022006          

                                 BELOW RP SAGAR)MKS 200 TMC

 

          PARAMETER                                          VARIABLE      VALUE

         ***************************************************  ******      *******

 

          NUMBER OF CROSS-SECTIONS                             NS             13

 

          MAXIMUM NUMBER OF TOP WIDTHS                         NCS             5

 

          NUMBER OF CROSS-SECTIONAL HYDROGRAPHS TO PLOT        NTT             6

 

          TYPE OF OUTPUT OTHER THAN HYDROGRAPH PLOTS           JNK             1

 

          CROSS-SECTIONAL SMOOTHING PARAMETER                  KSA             0

 

          DOWNSTREAM SUPERCRITICAL OR NOT                      KSUPC           0

 

          NO. OF LATERAL INFLOW HYDROGRAPHS                    LQ              0

 

          NO. OF POINTS IN GATE CONTROL CURVE                  KCG             0

 

 

 

 

          NUMBER OF CROSS-SECTION WHERE HYDROGRAPH DESIRED

                   (MAX NUMBER OF HYDROGRAPHS = 6)

         **************************************************

 

                        1    6    9   10   12   13

 

 

 

 

               CROSS-SECTIONAL VARIABLES FOR  22022006          

                           BELOW RP SAGAR)MKS 200 TMC

 

          PARAMETER                                   UNITS  VARIABLE

         ******************************************  *******  ******

 

          LOCATION OF CROSS-SECTION                    KM      XS(I)

          ELEVATION(MSL) OF FLOODING AT CROSS-SECTION  M       FSTG(I)

          ELEV CORRESPONDING TO EACH TOP WIDTH         M       HS(K,I)

          TOP WIDTH CORRESPONDING TO EACH ELEV         M       BS(K,I)

               (ACTIVE FLOW PORTION)

          TOP WIDTH CORRESPONDING TO EACH ELEV         M       BSS(K,I)

               (OFF-CHANNEL PORTION)

          NUMBER OF CROSS-SECTION                              I

          NUMBER OF ELEVATION LEVEL                            K

1

 

 

 

 

 

          CROSS-SECTION NUMBER  1

         *************************

 

          XS(I) =      .000   FSTG(I) =     .00

 

 

          HS  ...     13.5    20.0    34.0    40.0    60.0

          BS  ...    450.0   950.0  1600.0  2350.0  2800.0

          BSS ...       .0      .0      .0      .0      .0

 

 

 

 

 

          CROSS-SECTION NUMBER  2

         *************************

 

          XS(I) =     4.000   FSTG(I) =     .00

 

 

          HS  ...     12.4    15.0    20.0    32.0    40.0

          BS  ...    600.0   850.0  1100.0  2000.0  4000.0

          BSS ...       .0      .0      .0      .0  7100.0

 

 

 

 

 

          CROSS-SECTION NUMBER  3

         *************************

 

          XS(I) =     6.000   FSTG(I) =     .00

 

 

          HS  ...     11.9    20.0    30.0    35.0    40.0

          BS  ...    500.0  2400.0  4200.0  6000.0  7800.0

          BSS ...       .0      .0      .0  2700.0  5000.0

 

 

 

 

 

          CROSS-SECTION NUMBER  4

         *************************

 

          XS(I) =    10.000   FSTG(I) =     .00

 

 

          HS  ...     10.8    20.0    28.0    35.0    40.0

          BS  ...    500.0  1750.0  2900.0  7000.0  8800.0

          BSS ...       .0      .0      .0  6000.0 13150.0

1

 

 

 

 

 

          CROSS-SECTION NUMBER  5

         *************************

 

          XS(I) =    12.000   FSTG(I) =     .00

 

 

          HS  ...     10.3    20.0    26.0    30.0    40.0

          BS  ...    900.0  2000.0  2600.0  6300.0 10100.0

          BSS ...       .0      .0      .0  2200.0 15900.0

 

 

 

 

 

          CROSS-SECTION NUMBER  6

         *************************

 

          XS(I) =    14.000   FSTG(I) =     .00

 

 

          HS  ...      9.8    20.0    25.0    30.0    40.0

          BS  ...   3000.0  2700.0  3500.0  7600.0 12500.0

          BSS ...       .0      .0      .0  5200.0 18500.0

 

 

 

 

 

          CROSS-SECTION NUMBER  7

         *************************

 

          XS(I) =    20.000   FSTG(I) =     .00

 

 

          HS  ...      8.3    20.0    23.0    30.0    40.0

          BS  ...    900.0  5000.0  5900.0 10800.0 13700.0

          BSS ...       .0      .0      .0  6000.0 20200.0

 

 

 

 

 

          CROSS-SECTION NUMBER  8

         *************************

 

          XS(I) =    25.000   FSTG(I) =     .00

 

 

          HS  ...      6.9    20.0    21.5    30.0    40.0

          BS  ...    900.0  4000.0  4900.0 12000.0 15000.0

          BSS ...       .0      .0      .0  7000.0 19500.0

1

 

 

 

 

 

          CROSS-SECTION NUMBER  9

         *************************

 

          XS(I) =    30.000   FSTG(I) =     .00

 

 

          HS  ...      5.5    15.0    20.0    30.0    40.0

          BS  ...   2000.0  3500.0  4600.0  8000.0  9300.0

          BSS ...       .0      .0      .0  5000.0 11200.0