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--* i"-4 :' UNIVERSITY OF MAURITIUS FACULTY OF ENGINEERING HYDRAALICS PRACTICAL Calculations: (1) Obtain the follorying relationships for Straieht pipe Loss (a) Head loss as a function of volume florv rate (plot tog h1 against log Q ) (b) Friction factor as a function ofReynolds Number. Compare the relationghip calculated from Blasius equation for hydradically smooth pipes Blasius)s equation"- f= 0.0785 104<Re<l0s Re o?5 (Z) Compare the measured head rise across a sudden expansion with the rise caliulated on the assumption of :- t (a) no head loss (b) head loss given by the expression h 1 : ( vr-vz )] 2g Plot a graph ofmeasured head rise against calculatert head rise. Compare fhe measured fall in head across a sudden contraclion lyith the fall calculated in the assumption of no head loss head loss given by the expression h1= kl 2g Plot a graph of measured head fall against calculated head fall. (4) Measure the loss coefficients for the five bends. (3) (a) (b)

Loss coefficients of hydraulic components

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The hydraulic loss coefficient apparatus -Fluid Mechanics

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  • --*

    i"-4:' UNIVERSITY OF MAURITIUS

    FACULTY OF ENGINEERING

    HYDRAALICS PRACTICAL

    Calculations:

    (1) Obtain the follorying relationships for Straieht pipe Loss(a) Head loss as a function of volume florv rate (plot tog h1

    against log Q )(b) Friction factor as a function ofReynolds Number.Compare the relationghip calculated from Blasiusequation for hydradically smooth pipes

    Blasius)s equation"- f= 0.0785 104

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    Sudden Enlarsehent - 13,7 ro (0.54 in)/26.4 m (i.04 in)

    Sudden Contraction - ?6,4 nn (1.04 in)/13.7 Fn (0.54 in)t[

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    G sdooth 9oo Bend 52 M (? ln) Radiusrl sooolh 9Oo Eend lo2 M (4 in) RadiusJ SmooLh 9oo Eend 152 ra {6 in) Radius! Strailhl Pipe 26.4 rn (1.04 in) Bore

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