Intelligent Building Control Systems by John T. Wen & Sandipan Mishra

Author:John T. Wen & Sandipan Mishra
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

(6.8)

Similarly, the total resistance, , is the sum of the resistances for each layer,

(6.9)

where is the thickness, is the cross-sectional area, and is the material thermal conductivity of the layer. The two resistances, and , are calculated as complementary fractions of the total resistance, where

(6.10)

where is known as the “accessibility factor” and is calculated as

(6.11)

Fig. 6.3 a Building element with N layers, b simplest RC model with single capacitor and inner and outer resistors.

Figure adapted from [3], copyright (2002), with permission from Elsevier

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