Chapter hvac engineering Fundamentals: Part 1 Introduction

Design Procedures: Part 1
29
Figure 3.2
Design criteria form, sheet 2.
will usually peak 2 to 3 h into the occupied period. The thermal mass
of the building structure creates a load leveling or flywheel effect on
the instantaneous load.
There are some local and regional conditions the designer should be
aware of, in setting up calculations. For example, for a building on the
ocean- or lakefront, the designer may see a very high reflective solar
gain on the east, south, or west face. A similar effect can occur in snow
country. A reflective building across the way also may impose unex-
pected solar loads, even on the north side.
Design Procedures: Part 1
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