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Mishra et al. Larsen and Mishra Larsen and Mishra · PDF file (Amiri & Siahi, 2008) [email protected] * Baffle Sluice Gate Mishra et al. Larsen and Mishra Larsen and Mishra Verma and

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  • (Amiri & Siahi, 2008)

    *[email protected]

    Baffle Sluice Gate

    Larsen and MishraMishra et al.

    Larsen and Mishra

    Verma and Pasricha

  • Maheswara et al.

    Anwar

    Swamee

    Renault, 2000b

    I O

    SIO

    IOSOI

    Renault,

    2000a

    Renault, 1990, Renault and

    Hemakumara, 1999

    IOa

    O / O S

    I

    IOr

    O / O S

    I / I

    Equivalent Hydraulic Sensitivity

    Vatankhah et al.

    2008

    2

    1

    2

    1

    RR

    O

    O

    I

    I

    IOIO O/OI/ISI/I O/O

    S

    )Iln()Iln( )Oln()Oln(

    S )1()2( )1()2(

    IOR

    2

    1

    2

    1

    AA

    O

    O

    I

    I

    IOIO O/OISI

    O/O S

    )1()2(

    )1()2(

    IO II )Oln()Oln(

    S A

    Swamee

  • Bos, 1989

    gH2aCq d qCda

    gH

    Henry

    Swamee, 1992

    072.0

    d a15H

    aH 611.0C

    H a15H

    aH a71.2q

    072.0

    IOr

    1.152aH S 0.5

    (H 15a)(H a)

    Swamee

    H=a

    H=a

    aHH

    H*=a/H

    * IOr

    * *

    1.152H S 0.5

    (1 15H )(1 H )

    H=1.5aBos, 1989

    H*

    H*

    Anwar, 1990, Mishra et al,

    1990

    minHmaxH

    cmHmin=cmHmax=

    Mishra et al, 1990, Verama and Pasricha 1994, Anwar,

    1999

    m1

    qd

  • minH

    m1

    1H

    1Hm1

    2H

    2HmaxHm1

    H

    H=Hmaxm2

    H=Hmax

    5.0SSS 321

    1 d 1 d

    d d

    min 1

    1 2

    1 d

    d

    2

    max

    (1 m )q (1 m )q ln( ) ln( )

    q q H H

    ln( ) ln( ) H H

    (1 m )q ln( )

    q 0.5

    H ln( )

    H

    1H2H

    m1

    3

    1

    max 3

    2

    min1 HHH

    3

    2

    max 3

    1

    min2 HHH

    6/1

    max

    min 1 )H

    H (1m

    i(new)

    UL iLL i

    LL i UL i

    LL

    UL

    S 0.5

    H aH a 0.072 ln( ) ln( )

    H 15a H 15a H

    ln( ) H

    i 1,2,3

    LLUL

  • i

    (new)S / S 1

    1 S

    S

    S

    S

    S

    S

    3

    )new(3

    2

    )new(2

    1

    )new(1

    1(new) min 1(new)

    2(new) 1(new) 2(new)

    3(new) 2(new) max

    S ln(H / H )

    S ln(H / H )

    S ln(H / H ) 1

    1 minmax)new(1 HHH

    1 minmax)new(2 HHH

    )new(3)new(2)new(1

    )new(1

    S/1S/1S/1

    S/1

    )new(3)new(2)new(1

    )new(2)new(1

    S/1S/1S/1

    S/1S/1

    1/32/3

    1(new ) 2(new ) 3(new )1/(1/S 1/S 1/S )

    min 1(new)

    max

    H m 1

    H

    maxH

    i(new ) iS / S 1

  • Anwar,

    1999

    Anwar

    5.0SSS 321

    2 d 2 d

    d d

    min 1

    1 2

    2 d

    2 d

    2

    max

    (1 m )q (1 m )q ln( ) ln( )

    q q H H

    ln( ) ln( ) H H

    (1 m )q ln( )

    (1 m )q 0.5

    H ln( )

    H

    1H2H2m

    )c26/(1

    max

    min 2 )H

    H (1m

    c3

    1

    max c3

    c2

    min1 HHH

    c3

    2

    max c3

    c1

    min2 HHH

    )m1ln(/)m1ln(c 22 H1H2cm2

    Hmin=15cmHmax=25cm

    m2=

    2m

    1H2H

    max

    072.0

    3max

    3max 3

    2 d Ha15H

    aH a

    m1

    71.2 q

    1S/S )new(

    1 S

    S

    S

    S

    S

    S

    3

    )new(3

    2

    )new(2

    1

    )new(1

    2( )

    1(new) min 1(new)

    2( )

    2(new) 1(new) 2(new)

    2( ) 2( )

    3(new) 2(new) max

    ln(1- )

    S ln(H / H )

    ln(1- )

    S ln(H / H )

    ln((1 ) / (1 )) 1

    S ln(H / H )

    new

    new

    new new

    m

    m

    m m

    1H2H

    2m

    2(new)m

    1( ) 2( ) 3( )

    2( )

    (1/(1/ 1/ (1 )/ ))min

    max

    1

    ( ) new new newnew

    new

    S S c S

    m

    H

    H

    2(new)m

    Fixed point method

    1 minmax)new(1 HHH

  • 1 minmax)new(2 HHH

    )new(3new)new(2)new(1

    )new(1

    S/)c1(S/1S/1

    S/1

    )new(3new)new(2)new(1

    )new(2)new(1

    S/)c1(S/1S/1

    S/1S/1

    (new)S / S 1

    HmaxHmin

    H1=17cm

    H2=19.4cm

    q (l/s/cm)

    a1 (cm)

    a2 (cm)

    a3 (cm)

  • 0

    5

    10

    15

    0. 2

    0. 25 0. 3

    0. 35 0. 4

    0. 45 0. 5

    0. 55 0. 6

    0. 65 0. 7

    qd (lit/s/cm)

    Scheme (1) Scheme (2) 3 Baffles Mishra. et. al (1990)

    Anwar

    REFERENCES Amiri, A. And Siahi, M. K. (2008) Design of irrigation

    canals and related structure. Tehran University Nomber 2914. (In Farsi)

    Anwar, A. A. (1999). Baffle sluice module with improved performance. J. Irrig. Drain. Eng. 125(2), 91-95.

    Bos, M. G. (1989) Discharge measurement structures. International Institute for Land Reclamation and Improvement (ILRI). Publication No. 20. Wageningen. The Netherlands.

    Henry, H. R. (1950). Diffusion of submerged jets. By Albertson, M. L., Dai, Y. B., Jensen, R. A. and Rouse, H. Trans 115, 687-694.

    Larsen, A. P. and Mishra, P. K. (1990). Constant discharge device for field irrigation. J. Hydr. Res. Delft, The Netherlands. 28(4), 481-489.

    Maheswara Babu, B., Mishra, P. K. and Satyanarayana, T. (1996). Performance of baffle-sluice module with change module dimensions. J. Irrig. Drain. Eng. 122(5), 310-313.

    Mishra, P. K., Larsen, A. P. and Satyanarayana, T. (1990). Development of Low-Discharge Baffle- Sluice Module. J. Irrig. Drain. Eng. 116(3), 444- 453.

    Montazar, A., Kouchakzadeh, S. (2006). Hydraulic sensitivity of baffled modules distributors. Journal of applied irrigation science, Germany.

    Montazar, A., Kouchakzadeh, S. and MH. Omid. (2005). Hydraulic sensitivity of baffled modules distributors. Proceeding of XXXI IAHR Congress, Seoul, Korea.

    Rajaratnam, N. and Subramanya, K. (1967). Flow equation for sluice gate. J. Irrig. Drain. Eng. 3(3), 167-187.

    Renault, D. (1999). Offtake Sensitivity, Operation Effectiveness, and Performance of Irrigation System J. Irrig. Drain. Eng. 125(3), 137-147.

    Renault, D. (2000a). Re-Engineering Irrigation Management and System Operation. J. Agric. Water Mgmt. 47, 211-226.

    Renault, D. (2000b). Aggregated Sensitivity Indicators of Irrigation Systems Hydraulic Behavior. J. Agric. Water Mgmt. 43(2), 151-171.

    Renault, D., H. M. Hemakumara (1999). Irrigation Offtakes Sensitivity. J. Irrig. Drain. Eng. 125(3), 131-136.

    Swamee, P. K. (1992). Sluice gate discharge equations. J. Irrig. Drain. Eng. 118(1), 56-60.

    Vatankhah, A., Kouchakzadeh, S. and Hoorfar, A. (2008). Developing Effective Sensitivity Indicator for Irrigation Network Components. International Journal of Applied Agricultural Research. 3(1), 17- 36.

    Verma, D. V. S. (1997). Discussion of Performance of baffle-sluice modules with changed module dimensions, by B. Maheswara Babu., P. K.

    Mishra, and T. Satyanarayana. J. Irrig. Drain. Eng, 123(6), 463.

    Verma, D. V. S. and Pasricha, A. (1994). Hydraulic characteristics of baffle modules. J. Inst. Engrs. 75, 155-158

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