Book 1

Calculations for the determination of the Economical diameter of the HRT Length of the HRT= Discharge through HRT= Efficiency factor = Plant factor= En salability Unit price=

4206 m 60 m3/sec 0.88 0.43 0.8 4.64

Power loss=9.82*Discharge*Head loss*Efficiency/1000 Mw Energy loss=

Power loss*8760*plant factor*En Mwh salability

Area= ∏*(D*1.031)2/4 m2 Perimet er=

3.286*Diameterm

Head Loss= L*n2*V2/R^(4/3)

m

Reven ue Loss= Unit price*Energy Loss*1000 Cost Of the tunnel Length (83034*diameter-82976)

S.No. 1 2 3 4 5

D(m) 4 4.5 5 5.5 6

L(m) 4206 4206 4206 4206 4206

N A(m2) 0.01 13.36 0.01 16.91 0.01 20.87 0.01 25.25 0.01 30.05

P(m) 13.14 14.79 16.43 18.07 19.72

Power Energy Cost of loss(M loss(Mw Revenu the tunnel R(m) V(m/sec)HL(m) W) e loss (N Total h) 1.02 4.49 16.28 8.44 ### ### ### 1.14 3.55 8.69 4.5 ### ### ### 1.27 2.87 4.95 2.57 7737.4 ### ### 1.4 2.38 2.98 1.54 ### ### ### 1.52 2 1.87 0.97 ### ### ###

Cost ### ### ### ### ###

Total HL

Cost of the tunnel

1800000000 1700000000 1600000000 1500000000 1400000000 1300000000 1200000000 1100000000 1000000000 900000000 800000000 700000000 600000000 500000000 400000000 300000000 200000000 100000000 0

34.77

18.03

Tunnel Diameter Total Cost Revenue loss Cost of the tunnel

4

4.5

5

Tunnel diameter

25 22.5 20

Diameter

17.5

Series2 Series3

15

Series4 Series5

12.5 10 7.5 5 2.5 0 4

4.5

5

5.5

6

5.5

6

5 2.5 0 4

S.No. 1 2 3 4 5

D(m) 4 4.5 5 5.5 6

L(m) 4206 4206 4206 4206 4206

N A(m2) 0.01 13.36 0.01 16.91 0.01 20.87 0.01 25.25 0.01 30.05

4.5

P(m) 13.14 14.79 16.43 18.07 19.72

5

5.5

R(m) V(m/sec)HL(m) 1.02 0 1.14 0 1.27 0 1.4 0 1.52 0

6

Power loss(M W) 0 0 0 0 0

Cost of Energy loss(Mw Revenu the tunnel e loss (N Total Cost h) 0 0 0 0 0

0 0 0 0 0

0 0 0 0 0

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