Dehumidification-System O&M Issues
- Cold Comfort: Keeping Cool Without Wasting Fuel. Spera, Gabriel // American Gas;Jul99, Vol. 81 Issue 6, p24
Provides information on the use of desiccants in reducing the problem of humidity on air-conditioning systems. Effects of humidity on the function of an air conditioning system; Mechanism of action of desiccants; Potential markets for desiccant systems.
- Review of Liquid Desiccant Technology for HVAC Applications. Lowenstein, Andrew // HVAC&R Research;Nov2008, Vol. 14 Issue 6, p818
A thermally driven air conditioner that uses liquid desiccants as the working fluid may be an attractive alternative to the compressor-based technology that is now used in most HVAC applications. The operation of a liquid-desiccant air conditioner is first explained and several basic concepts...
- More energy-efficient dehumidification. Karpen, Daniel // Air Conditioning Heating & Refrigeration News;05/17/99, Vol. 207 Issue 3, p11
Reports on the development of a dehumidification technology that uses air-to-air plate heat exchangers instead of desiccants for air conditioning systems. Applications where dehumidification is a necessity; Energy savings from the technology.
- School's in Session -- Dehumidification Basics. // Air Conditioning Heating & Refrigeration News;05/29/2000, Vol. 210 Issue 5, p1
Informs on cooling-based and desiccant dehumidification techniques. Principle of condensation in air conditioning systems; Removal of heat from dehumidified air; Heating of dessicant to drive moisture off its surface; Typical equipment configurations of desiccant dehumidifiers.
- STAYING DRY & COMFORTABLE WITH LIQUID DESICCANTS. Farese, Phil // Engineered Systems;Jun2013, Vol. 30 Issue 6, p50
The article presents information on the use of liquid desiccant (LDAC) systems, a newer dehumidification technology, for reducing the moisture (latent) load of air conditioning systems in buildings. In liquid desiccant systems, a salt-water solution is used to depress the air's dew point inside...
- Designed TO Dry. Adams, Larry // Appliance Design;Apr2009, Vol. 57 Issue 4, p24
This article focuses on a variety of new systems being developed by manufacturers of desiccant dehumidifiers to dehumidify homes and office buildings. The desiccant systems being developed range in size from 300 cubic feet per minute to 84,000 cubic feet per minute. Desiccants can be an...
- Improvement of IEER Rating and Dehumidification Capability in Unitary DX Equipment. West, Michael K.; Brooke, Thomas // ASHRAE Transactions;2013, Vol. 119 Issue 2, p1
Variation of the refrigeration circuit and evaporator coil arrangement from conventional unitary air-conditioning equipment is proposed to improve energy efficiency and dehumidification performance. This paper presents the modeling and results of variations culminating from an extensive...
- Optimizing the Energy Efficiency of Desiccant Dehumidifiers. Griffiths, Bill // Heating/Piping/Air Conditioning Engineering;Dec2011, Vol. 83 Issue 12, p38
The article discusses ways to increase the energy efficiency of solid-desiccant dehumidifiers. The author examines the elements of a solid-desiccant dehumidifier, the use of desiccant dehumidification with refrigeration in buildings which require low humidity, and purge arrangements such as...
- Liquid Desiccant Air Conditioners. Dieckmann, John; Roth, Kurt; Brodrick, James // ASHRAE Journal;Oct2008, Vol. 23 Issue 10, p90
The article provides information on the use of liquid desiccant air conditioners (AC) which effectively manage humidity for buildings with high outdoor air (OA) requirements in humid regions. Its features include the absorber and regenerator components, heat exchanger, cooling coil, and...