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<br />( ... :! "" <br />Jl.J I,. vi,', <br /> <br />The effeet of this hsat is to change the temperature of this <br /> <br />lamina by ~e (Or), or <br /> <br />~H=\I'SDO <br /> <br />where <br /> <br />II' = weight of lam~na (lb.) <br />5 = specifie heat of fluid (B.t.u./lb. x OF) <br /> <br />But <br /> <br />'1 <br /> <br />W = At! E <br /> <br />. \ <br /> <br />where <br /> <br />A = croel-eeotional area of stream (ft.2) <br />tf = dene1t:r of fluid (lb./ft'.J) <br /> <br />and <br /> <br />A.S= A.t"'tsL1G <br /> <br />The velocity of the stream ie <br /> <br />v = M = i1x <br />U At <br /> <br />where <br /> <br />M = ma8e velocity. of fluid (lb./hr.) <br /> <br />2 <br />