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Performance characteristics of cross-flow membrane contactors for liquid desiccant systems

Das, Rajat Subhra; Jain, Sanjeev - In: Applied Energy 141 (2015) C, pp. 1-11

Membrane based indirect contact liquid desiccant dehumidification technology subsides the serious concern of liquid … dehumidification applications has been developed. The model can predict the air and desiccant parameters inside the dehumidifier and … desiccant droplet carryover observed in conventional direct contact liquid desiccant systems. In the membrane contactor the air …

Persistent link: https://www.econbiz.de/10011189403

Surplus biomass through energy efficient kilns

Anderson, Jan-Olof; Westerlund, Lars - In: Applied Energy 88 (2011) 12, pp. 4848-4853

The use of biomass in the European Union has increased since the middle of the 1990s, mostly because of high subsidies and CO2 emission regulation through the Kyoto protocol. The sawmills are huge biomass suppliers to the market; out of the Swedish annual lumber production of 16.4Mm3, 95% is...

Persistent link: https://www.econbiz.de/10010576218

State-of-the-art in liquid-to-air membrane energy exchangers (LAMEEs): A comprehensive review

Abdel-Salam, Mohamed R.H.; Ge, Gaoming; Fauchoux, Melanie; … - In: Renewable and Sustainable Energy Reviews 39 (2014) C, pp. 700-728

dehumidification and energy recovery are effective energy conservation technologies in HVAC systems. Direct-contact liquid desiccant …, ventilation, and air-conditioning (HVAC) systems in buildings consume significant amounts of energy. Liquid desiccant …-permeable membrane-based liquid desiccant energy exchanger, which transfer heat and moisture simultaneously but can eliminate the …

Persistent link: https://www.econbiz.de/10010931099

Experimental and theoretical investigations on the cyclic operation of TSA cycle for air dehumidification using packed beds of silica gel particles

Ramzy, Ahmed K.; Kadoli, Ravikiran; T.P., Ashok Babu - In: Energy 56 (2013) C, pp. 8-24

Dehumidification using desiccant beds provide a good alternative for the conventional vapor compression cooling system …. Desiccant material in the desiccant dehumidification system should undergo both adsorption and desorption processes. In the … desiccant bed during the cyclic operation has been investigated numerically. In addition, it has been found from the parametric …

Persistent link: https://www.econbiz.de/10011053891

The minimum work required for air conditioning process

Alhazmy, Majed M. - In: Energy 31 (2006) 14, pp. 2739-2749

. The general air conditioning process is represented by an equivalent path consisting of an isothermal dehumidification … followed by a sensible cooling. An exergy analysis is performed on each process separately. Dehumidification is analyzed as a … conditioning process with the ambient conditions is estimated and the ratio of the work needed for dehumidification to the total …

Persistent link: https://www.econbiz.de/10011054104

Experimental performance of indirect air–liquid membrane contactors for liquid desiccant cooling systems

Das, Rajat Subhra; Jain, Sanjeev - In: Energy 57 (2013) C, pp. 319-325

liquid desiccant technology has been the carryover, which can be eliminated through indirect contact between desiccant and … communication investigates the performance of semipermeable membrane based indirect contactors as dehumidifiers in liquid desiccant …) solution as desiccant. The membrane contactors consist of alternate channels of air and liquid desiccant flowing in cross …

Persistent link: https://www.econbiz.de/10011054966

A parametric analysis of periodic and coupled heat and mass diffusion in desiccant wheels

Nóbrega, Carlos E.L. - In: Energy 76 (2014) C, pp. 942-948

Solid sorbents are frequently adopted for gas component separation in the chemical industry. Over the last decades, solid sorbents have also been applied for the benefit of indoor air quality and humidity control in modern building design. Adsorptive rotors have been designed for the removal of...

Persistent link: https://www.econbiz.de/10011055074

Performance characteristics of a dual-evaporator heat pump system for effective dehumidifying and heating of a cabin in electric vehicles

Ahn, Jae Hwan; Kang, Hoon; Lee, Ho Seong; Kim, Yongchan - In: Applied Energy 146 (2015) C, pp. 29-37

In electric vehicles, air-conditioning (AC) units and electric heaters have been used for dehumidifying and heating the cabin. However, the air heating process in the electric heater causes higher power consumption due to a lower air temperature entering the electric heater from the sensible...

Persistent link: https://www.econbiz.de/10011263337

Simulation of potential standalone liquid desiccant cooling cycles

Das, Rajat Subhra; Jain, Sanjeev - In: Energy 81 (2015) C, pp. 652-661

LDCS (Liquid desiccant cooling systems), capable of achieving dehumidification and cooling with low-grade heat input …-concentrating solar collectors. The present study is concerned with the evaluation of various potential liquid desiccant cycles for … tropical climatic conditions. Six potential standalone liquid desiccant cycles are identified and analyzed to select the best …

Persistent link: https://www.econbiz.de/10011209524