Radiative Heat Transfer Course Work 2011: Description of turn Assigned A room may be het up by using a large radiator, a heated up bedeck or a heated ceiling. The room line of credit characterization the relative position is shown in the figures below. Figure 1: populate Configuration Figure 2: Notation The give in below summarises the room configuration as well as the stipulation values of temperature and emissivities associated with the features of the room. | determine |Feature |Temperature/°c |Emissivities | |1 |Wall |23 |0.8 | |2 |Wall |23 |0.8 | |3 |Wall |23 |0.8 | |4 |Wall |23 |0.8 | |5 |Radiator |75 |0.8 | |6 |Windows |8 |0.6 | |7 |Wall |23 |0.8 | |8 |Wall |23 |0.
8 | |9 | report |20 |0.9 | |10 |Ceiling |15 |0.7 | By utilisi! ng the given information, calculations atomic number 18 to be carried out to realize the value of heat transfer at the window, positioned at 6. To do this, the equating below needs to be puzzle out. [pic] This is to be solved by setting up a intercellular substance equation in the form of [M][J] = [S] Where [M] is a square matrix and its elements are given by [pic] Derivation of Configuration Factors 12-56, 12-78, 34-56 and 34-78 A12F12-56 = A1F1-6 + A1F1-5 + A2F2-5 + A2F2-6 For F12-56, X = 4, Y = 3, Z = 6 [pic] [pic] From Figure 5.4 (Notes), F12-56 = 0.26 For F1-5, X = 2, Y = 3, Z = 6 [pic] [pic] From figure 5.4 (Notes), F1-5 = 0.218...If you emergency to get a full essay, order it on our website: OrderCustomPaper.com
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