Afluid (rho = 1000 kg/m3 , μ = 1.4 × 10 −3 kg/m·s, cp = 4.2 kj/kg·k, and k = 0.58 w/m·k) flows with an average velocity of 0.3 m/s through a 14- m-long tube with inside diameter of 0.01 m. heat is uniformly added to the entire tube at the rate of 1500 w/m2 . determine (a) the value of convection heat transfer coefficient at the exit, (b) the value of ts − tm, and (c) the value of te − ti .

Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.