re: auxiliary radiators for pipe-stack air-water heat exchangers
9 dec 2004
david delaney wrote:
>in a stack of pipes, the pipes see each other very well, and are at
>a lower temperature than the air that bathes them, and at nearly the
>same temperature, so radiation is a small component of the heat exchange
>between pipes and air. we can change this by introducing *auxiliary
radiators* between the pipes.
we might put an conductive auxiliary radiator panel beneath a massy shelf
near a ceiling, with a low-e coating on the underside of the panel and
enough space between the panel and the shelf to allow warm air to flow
between them and heat the shelf.