Assignment 1 AND 2

HMT Assignment 1 Date to submit 15-02-2024 • Enumerate the numerical solving procedure of bank of tubes. • Explain about the LMTD and NTU method of problem solving techniques. • Differentiate film wise and drop wise condensation with necessary sketch • Air at 20oC flowing over a flat plate at velocity of 3m/s. If the flat plate is maintained at 60C.Calculate the heat transfer per unit width of plate assuming length of the plate is equal to 2m.Calculate the following at x=300mm(i)Hydrodynamic Boundary layer(ii)Average friction coefficient(iii)Wall shear stress (iv)Total Drag Force • The outer surface of cylindrical vertical tube having 25cm diameter is exposed to saturated steam of mass flow rate 65Kg/hr at 1.7 bars for condensation. The surface temperature of the tube is maintained at 85 oC. Calculate the following (i)Length of the tube (ii)Thickness of the condensate layer to condense HMT Assignment 2, Date to submit 12-04-2024 • A parallel flow heat exchanger is used cool 4.2 kg/min of hot liquid of specific heat 3.5kJ/kg K at 130°C. A cooling water of specific heat 4.18 kJ/kgK is used for cooling purpose of a temperature of 15°C. The mass flow rate of cooling water 17 kg/min. calculate the following. I. Outlet temperature of liquid II. Outlet temperature of water III. Effectiveness of heat exchanger • Formulate the expression of LMTD method for counter flow heat exchanger • The size of each