Heating Equipment -
Radiant Cooling and Heating - Part I & Part II:
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Radiant Cooling & Heating Application Principles
Heat Transfer Resistance Nodes for Evaluating Radiant System
Radiant uses conduction to heat or cool a mass such as a
floor, then radiant to emit energy to cooler surface when
heating or absorb energy from hotter surfaces when cooling.
Radiant energy transfer is a nominal 1.1 Btu/hr/sf *
∆oF between the room and surface
temperature. Convection contributes to heat transfer
for radiant heated floors or chilled ceilings but not
chilled floors or heated ceilings...can you guess why?
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