... )minUA11,600W/KNTU2.0C5000/3600kg/s4178J/kgK===×⋅giving, ε = 0.7 for Cr = Cmin/Cmax = (5,000 × 41 78) /(10,000 × 4 188 ) = 0.499. Combining Eqs. (1) and (2), find()( )3h,oT80C0.73 48. 210W/10,000/3600kg/s4 188 J/kgK=°−×××⋅()h,oT8021.0C59C.=−°=° < COMMENTS: ... turbulent and fully developed using the Dittus-Boelter correlation, Eq. 8. 57, with n = 0.4,0 .8 0.4DDhDNu 0.023Re Prk==()()0 .8 0.4hD 0.023 0.0270W m K 201. 78 D 0.7056=× ⋅1 .8 hD 0.0377=(10)The ... 0.1m 76.8K 130mπ=× ⋅× =. < Continued PROBLEM 11.22KNOWN: Prescribed flow rates and inlet temperatures for hot and cold water; UA value for a shell- and- tube heat exchanger (one shell and...