A horizontal cylinder $3\mathrm{.}0$cm in diameter andb$0\mathrm{.}8$m length is suspended in watervat $20$degree celsius.calculate the rate of heat transfrr ifvthe cylinder surfae is at $55$degree celsius Given Nu$=0\mathrm{.}53($Gr$\backslash$times pr$)^0\mathrm{.}25.$The propeetieaif water at average temperature are as follows denaity $=990$kg$/$m$^3$ Viscosity$=1\mathrm{.}05\backslash$times $10^-3$ kg$/$m$.$s$,$ K$=0\mathrm{.}65$ w$/$m$.$k cp$=4180$J$/$kg$.$K