Example:Velocity and temperature profiles for laminar flow in a tube of radius r=10mm have the form )=0.l-(1] T(r)=344.8+75.0r/-18.8r/) with units of m/s and K,respectively.Determine the corresponding value of the mean (or bulk) temperature,,at thisaxial position KNOWN:Velocity and temperature profles for laminar flow in a tube of radius10mm FIND:Mean(r bulk)temperature,T at this axial position. SCHEMATIC: ,T0 Fluid ASSUMPTIONS:(1)Laminar incompressible flow,(2Constant propertes. Heat Transfer #7 Su Yongkang School of Mechanical EngineeringHeat Transfer Su Yongkang School of Mechanical Engineering # 7 Example: Velocity and temperature profiles for laminar flow in a tube of radius have the form with units of m/s and K, respectively. Determine the corresponding value of the mean (or bulk) temperature, , at this axial position. ro 10mm Tm         2 4 2 ( ) 344.8 75.0 / 18.8 / ( ) 0.11 / o o o T r r r r r u r r r     