Results 151 to 160 of about 677 (199)
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Analytical modeling of a desiccant wheel
International Journal of Refrigeration, 2014Abstract A simple integral model is presented for a desiccant wheel. The original governing equations for a desiccant wheel were simplified to a set of linear ordinary differential equations and an analytical solution was obtained. A brief analysis is given about the solution regarding the non-dimensional numbers that decide the behavior of a ...
Dae-Young Lee, Dong-Seon Kim
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Effect of desiccant isotherm on the design parameters of desiccant wheel
Heat and Mass Transfer, 2013A one dimensional mathematical model is developed to optimize the design parameters of desiccant wheel. The result shows that after some value of design parameters, change in moisture removal is negligible. The optimum isotherm shape should be R = 0.1. At this isotherm optimum value of wheel length, and channel pitch should be in the range of 0.2–0.25 ...
Laxmikant Yadav +3 more
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The Performance of Desiccant Wheels for Desiccant Air-Conditioning
2013The performance of the desiccant wheel is critical to the viability of the desiccant cooling process. There have been a number of efforts to develop improved desiccant materials for desiccant wheels. Here, the influence of (1) the desiccant material thermophysical properties, (2) wheel design parameters, and (3) wheel operating conditions on the ...
Mark Goldsworthy, Stephen White
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Experimental Investigation of a Desiccant Wheel Cycle
Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 2012In hot and humid regions, removal of moisture from the air represents a considerable portion of the air conditioning load. Conventionally, air conditioning systems have to lower the air temperature below its dew point to accomplish dehumidification.
Ali Al-Alili +2 more
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Performance analysis of desiccant cooling system using polyacrylic acid sodium salt desiccant wheel
Science and Technology for the Built Environment, 2021The adsorbent material has an important role in the improvement of desiccant cooling system performance.
Sarra Belguith +2 more
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Performance Comparison of Enthalpy Recovery Devices Using Liquid Desiccant and Desiccant Wheel
Journal of Thermal Science and Engineering Applications, 2020Abstract Heat recovery between outdoor air and indoor exhaust air is an effective approach for energy-saving in the air-conditioning system. Performances of enthalpy recovery devices using liquid desiccant (LD) and desiccant wheel (DW) are compared in the present study.
Ying Xie, Xiaohua Liu, Tao Zhang
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Energy approach analysis of desiccant wheel operation
Energy Systems, 2014This paper focuses on desiccant wheel (DW) energy analysis. Numerical modeling is developed for the DW which is the key component of desiccant cooling systems. The mathematical model is validated by experimental results. In this paper, energy effectivenesses of DW are studied as well as energy consumption.
Mohsen Ali Mandegari +2 more
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Performance Enhancement of Rotary Desiccant Wheel by Innovative Designs of Multiple Desiccant Layers
2016Rotary Desiccant wheel in the desiccant air conditioning system is used for the dehumidification of process air by adsorption of water vapour by the desiccant (porous media) layer. And while the hot air which is heated up by the heater (or waste heat recovered from other equipments) flows through regeneration side, water is desorbed out from the ...
Selvaraji Muthu +2 more
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Limiting performance mechanisms in desiccant wheel dehumidification
Applied Thermal Engineering, 2012Abstract Desiccant cooling is an environmentally attractive alternative to conventional mechanical air-conditioning. The heart of the process is the rotary desiccant wheel which is used to dehumidify air. Recent experimental measurements of wheels with proposed alternative materials at low regeneration temperatures ( Here a numerical model of a ...
M. Goldsworthy, S.D. White
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Experimental Investigation of Composite Desiccant Wheel Dehumidifier
Applied Mechanics and Materials, 2015Desiccant wheel dehumidifier is filled with solid desiccants, looks like a honeycomb structure which is open on both ends. Air is allowed to pass through the honeycomb passages, giving moisture to the solid desiccant contained in the wheel. The wheel constantly rotates through two separate air streams.
P.D. Dipinlal +3 more
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