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A review of the applications of heat pipe heat exchangers for heat recovery
Srimuang, W.; Amatachaya, P. - In: Renewable and Sustainable Energy Reviews 16 (2012) 6, pp. 4303-4315
the energy saving and the enhanced effectiveness of the conventional heat pipe (CHP), two-phase closed thermosyphon (TPCT … effectiveness of the CHP, TPCT and OHP heat exchangers were described. This review article provides additional information for the …
Persistent link: https://www.econbiz.de/10010664586
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Passive energy recovery from natural ventilation air streams
Hughes, Ben Richard; Chaudhry, Hassam Nasarullah; … - In: Applied Energy 113 (2014) C, pp. 127-140
overall effectiveness of the heat pipe heat exchanger. Six models with varying vertical heights between the pipes were …
Persistent link: https://www.econbiz.de/10011040670
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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 … LAMEEs has been very active to show that high effectiveness is possible. This paper presents a comprehensive review of the …
Persistent link: https://www.econbiz.de/10010931099
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Exergy transfer effectiveness on heat exchanger for finite pressure drop
Wu, Shuang-Ying; Yuan, Xiao-Feng; Li, You-Rong; Xiao, Lan - In: Energy 32 (2007) 11, pp. 2110-2120
In this paper, exergy transfer effectiveness is defined to describe the performance of heat exchangers operating above … effectiveness of heat exchangers. Furthermore, the results of exergy transfer effectiveness with a finite pressure drop are compared … applied. The detailed comparisons of the exergy transfer effectiveness with heat transfer effectiveness are also performed for …
Persistent link: https://www.econbiz.de/10010808678
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Experimental investigation of a thermosyphon based heat exchanger used in energy efficient air handling units
Jouhara, Hussam; Merchant, Hasnain - In: Energy 39 (2012) 1, pp. 82-89
In the 20th Century many buildings became totally dependent on fossil fuel energy to make them habitable. Recent legislation and building regulations, however, ensure that designers are contracted to aim for zero carbon sustainability or buildings which function with much lower levels of fossil...
Persistent link: https://www.econbiz.de/10010810262
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Simple method for estimation of effectiveness in one tube pass and one shell pass counter-flow heat exchangers
Bahadori, Alireza - In: Applied Energy 88 (2011) 11, pp. 4191-4196
amounts, the effectiveness is defined as the temperature change for the stream with lower capacity divided by the maximum … possible change and the effectiveness depends on the number of transfer units and the thermal capacity ratio. In this paper, an … fewer computations for accurate and rapid estimation of effectiveness in one tube pass and one shell pass counter-flow heat …
Persistent link: https://www.econbiz.de/10010571944
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Adaptive fuzzy multivariable controller design based on genetic algorithm for an air handling unit
Khan, Muhammad Waqas; Choudhry, Mohammad Ahmad; … - In: Energy 81 (2015) C, pp. 477-488
In HVAC (Heating, Ventilation and Air Conditioning systems, effective thermal management is required because energy and operation costs of buildings are directly influenced by how well an air-conditioning system performs. HVAC systems are typically nonlinear time varying with disturbances, where...
Persistent link: https://www.econbiz.de/10011209521
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Experimental assessment of the energy performance of a hybrid desiccant cooling system and comparison with other air-conditioning technologies
Angrisani, Giovanni; Roselli, Carlo; Sasso, Maurizio - In: Applied Energy 138 (2015) C, pp. 533-545
Desiccant-based air handling units (AHU) can allow significant energy saving and emissions reductions with respect to conventional air-conditioning systems. In this work, experimental tests are used to investigate a hybrid desiccant cooling system (DCS) with desiccant wheel (DW), interacting...
Persistent link: https://www.econbiz.de/10011116162
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Thermal designs for mobile phones cooled with use of phase change material and heat pipe
Kumaresh, Govindan Radhakrishnan; Duan, Fei; Tan, Fock-lai - In: International journal of product development : IJPD 18 (2013) 5, pp. 411-432
Persistent link: https://www.econbiz.de/10010361158
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Sintered Nickel Powder Wicks for Flat Vertical Heat Pipes
Hansen, Geir; Næss, Erling; Kristjansson, Kolbeinn - In: Energies 8 (2015) 4, pp. 2337-2357
The fabrication and performance of wicks for flat heat pipe applications produced by sintering a filamentary nickel powder has been investigated. Tape casting was used as an intermediate step in the wick production process. Thermogravimetric analysis was used to study the burn-off of the organic...
Persistent link: https://www.econbiz.de/10011211015