A theory for heat exchangers with liquid-desiccant-wetted surfaces
Conference
·
OSTI ID:87402
- Otterbein Engineering, Phoenix, AZ (United States)
The following theory extends the wet surface model of Maclaine-cross and Banks (1981) to include heat exchangers that heat or cool moist air with liquid-desiccant-wetted surfaces. The theory uses a wall boundary condition that forces the moist air to be at an arbitrary relative humidity that is less than totally saturated. The theory defines a new temperature scale (brine-bulb temperature) for which the wet-bulb temperature is a special case. Brine-bulb heat capacitance and heat transfer coefficient are defined. By using an analogy to the dry surface heat exchanger theory, the performance of these heat exchangers can then be estimated from the performance of geometrically identical heat exchangers with a dry surface. Charts to utilize the theory at various elevations are shown.
- OSTI ID:
- 87402
- Report Number(s):
- CONF-950104--
- Country of Publication:
- United States
- Language:
- English
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