THERMAL RESISTANCES CLASS NOTES FOR MECHANICAL ENGINEERING

 THERMAL RESISTANCES  CLASS NOTES FOR MECHANICAL ENGINEERING   1.      THERMAL RESISTANCES IN CONDUCTION (i)    For a single wall of thickness x          Thermal resistance Rth=x/kA                                K/W (ii)  For a composite wall of thicknesses x1, x2 and x3 with thermal conductivities k1, k2 and k3 respectively.         Thermal resistance  Rth= x1/k1A…