Articles Posted in the " Radiation Exchange Between Surfaces " Category

  • Mcq ON RADIATION EXCHANGE

    Mcq ON RADIATION EXCHANGE

    Mcq ON RADIATION EXCHANGE  Shape factor F12 between two bodies depends on the (a) Shape and size of the two bodies (b) Shape and size of the bigger body (c) Shape, size and orientation of the bigger body (d) None ANS:(d) Shape factor F12 between two bodies depends on the (a) Shape and size of […]


  • Radiation Exchange Between Real Surfaces

    Radiation Exchange Between Real Surfaces

     Radiation Exchange Between Real Surfaces METHODS TO FIND RADIATION EXCHANGE BETWEEN GREY SURFACES There are two methods to find radiation exchange between grey bodies. (a) BASED ON CONFIGURATION FACTOR/INTERCHANGE FACTOR/EQUIVALENT EMISSIVITY BETWEEN TWO GREY BODIES – Shape factor for grey bodies is also called the Configuration factor/interchange factor/equivalent emissivity. It is represented for grey bodies by f12 […]


  • Shape Factor Algebra for Radiation Exchange

    Shape Factor Algebra for Radiation Exchange

    Shape Factor Algebra for Radiation Exchange  DEFINITION OF SHAPE FACTOR There is a factor called the SHAPE FACTOR (Fij) OR view factor or configuration factor or form factor or geometric factor which accounts for the orientation and geometry of the surfaces exchanging radiations. Shape factor F12 = ratio of radiations intercepted by surface 2 / […]


  • * Radiation Exchange

    * Radiation Exchange

    Radiation Exchange  Radiation exchange between any numbers of black  surfaces depends on the followings: (i). Their orientation— position in relation to each other (ii). Their geometrical shape-(Flat, concave, convex)uses areas for shape factors (iii). Temperature (iv). Radiative properties like emissivity,  absorbtivity,  transmissivity, reflectivity and  radiocity   2. NET RADIATIVE EXCHANGE BETWEEN TWO BLACK SURFACES 1 […]