Showing 1 - 10 of 12
The regenerator is one of the essential components in a liquid desiccant air-conditioning system, whose efficiency directly influences the system performance. A performance test-bed for a cross-flow regenerator was established in the present analysis. Celdek structured packings were used in the...
Persistent link: https://www.econbiz.de/10010803968
A uniform pressure model is presented to describe the heat and mass transfer in an adsorbent bed for a flat plate solar ice maker. This model accounts for heat and mass transfer in a porous bed in a two-dimensional transient process. An experiment has been conducted to validate this model and...
Persistent link: https://www.econbiz.de/10010804234
Flat-tube solid oxide fuel cells (FT-SOFCs) are advantageous because of their easy sealing, low stack volume and low resistance to current collection. The performance of FT-SOFCs is determined by the electrochemical reaction, which is closely linked to the heat and mass transfer inside the cell....
Persistent link: https://www.econbiz.de/10010804294
Dehumidifier is the core component in a liquid desiccant air-conditioning system, whose efficiency directly affects the whole performance. In this study a cross-flow dehumidifier was established in which LiCl solution and Celdek structured packing were used. Enthalpy efficiency and moisture...
Persistent link: https://www.econbiz.de/10010804540
Fuel cells convert the chemical energy present in fuel (e.g., hydrogen) into electrical energy with high efficiency, low pollution and low noise. Of the various types of fuel cells, the solid oxide fuel cell (SOFC) was developed specifically for power plants and residual power systems. SOFCs are...
Persistent link: https://www.econbiz.de/10010805315
The regenerator is one of the key components in liquid desiccant air-conditioning systems, in which desiccant is concentrated and can be reused in the system. The regeneration heat is supplied into the regenerator by either hot air or hot desiccant. The heat and mass transfer performances of...
Persistent link: https://www.econbiz.de/10010805888
A two dimensional modeling is developed in the reduction zone of a fixed bed downdraft biomass gasifier based on mass, energy and momentum conservation equations written for the solid and fluid phases and coupled with chemical kinetics. Kinetics parameters are derived from previous works and an...
Persistent link: https://www.econbiz.de/10010806335
A numerical analysis is performed for the natural convection flow resulting from the combined buoyancy effects of thermal and mass diffusion in an inclined cavity. This work enters within the framework of general study dealing with the mathematical model for solar brackish water desalination...
Persistent link: https://www.econbiz.de/10010806780
The desiccant wheel is a key component in solid-desiccant systems that can be used in non-conventional building air conditioning systems in order to use renewable energy sources and also to achieve important energy savings. At present, the analysis of the behaviour of air handling units based on...
Persistent link: https://www.econbiz.de/10010807220
This article presented an indoor experiment on developing a mathematical model for predicting the productivity of an ethanol solar still of basin type. The test still contained a horizontal evaporating surface and a condensing surface inclined 14° to a horizontal. Various concentrations of...
Persistent link: https://www.econbiz.de/10011044824