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Essay / Research Paper Abstract
A 5 page paper discussing the benefits of boiler-based heating systems for various types of heat loads. In years past, the boiler system was considered to be most useful in only large commercial applications, but it quickly is becoming standard in residential and light industrial use as well. The paper discusses some of the theoretical (i.e., Newtonian) underpinnings of hydronic operation as well as the fluid mechanics aspects. No equations. Bibliography lists 4 sources.
Page Count:
5 pages (~225 words per page)
File: CC6_KSheatLoads.rtf
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Unformatted sample text from the term paper:
system has found new appeal in recent years. Frequently used in large commercial settings in the past, many of todays larger housing spaces and light commercial applications require zoning
of heating and cooling delivery in ways that were not considered in the past. Fluid mechanics and thermodynamics govern the operation of these newer-generation hydronic systems.
Theoretical Basis Int-Hout and Kloostra report that there are two primary principles affecting airflow in indoor spaces.
"The first basic rule is Newtons gravitational observations: Hot air rises and cold air falls" (Int-Hout and Kloostra). How much movement can be expected in accordance to this principle
affects design and performance, of course. The second primary principle affecting interior air flow in a large space is "that air which is
in the form of a free jet, as opposed to one that is constrained along a surface, acts pretty much independent of the supply outlet isovel (or air pattern), following
some basic rules of jet theory" (Int-Hout and Kloostra). It is necessary to understand how this movement will affect final observed results.
In addition to Int-Hout and Kloostras observations regarding air movement, other principles apply to the heating (or cooling) of the air that is moving. The focus here is the
hydronic system that has become nearly universal in its appropriate applications. Formerly used only for large commercial buildings, a general hydronic system is now appropriate for use in residential
and light industrial applications as well (Siegenthaler, 2000). While air flow is important in its own right, the focus here is on the heating and movement of the water
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