By Ruzhu Wang
Gives readers an in depth figuring out of adsorption refrigeration expertise, with a spotlight on useful functions and environmental concerns
Systematically overlaying the expertise of adsorption refrigeration, this publication offers readers with a technical realizing of the subject in addition to certain info at the cutting-edge from top researchers within the box. Introducing readers to historical past at the improvement of adsorption refrigeration, the authors additionally conceal the improvement of adsorbents, quite a few thermodynamic theories, the layout of adsorption structures and adsorption refrigeration cycles. The e-book publications readers in the course of the learn procedure, masking key elements corresponding to: the primary of adsorption refrigeration; identifying adsorbents in response to assorted features; thermodynamic equations; equipment for the layout of warmth exchangers for adsorbers; and the complicated adsorption cycles wanted. it's also precious as a reference for pros operating in those areas.
- Covers state-of-the artwork of adsorption examine and applied sciences for correct purposes, operating from adsorption operating pairs via to the appliance of adsorption refrigeration expertise for low grade warmth recovery
- Assesses sustainable possible choices to standard refrigeration equipment, equivalent to the appliance of adsorption refrigeration platforms for solar power and waste heat
- Includes a key bankruptcy at the layout of adsorption refrigeration platforms as an academic for readers new to the subject; the calculation types for various parts and dealing approaches also are included
- Takes real-world examples giving an perception into latest items and installations and permitting readers to use the information to their very own work
Academics discovering low grade strength usage and refrigeration; Graduate scholars of refrigeration and coffee grade power usage; skilled engineers eager to renew wisdom of adsorption technology,Engineers operating at businesses constructing adsorption chillers; Graduate scholars engaged on thermally pushed platforms; complicated undergraduates for the Refrigeration precept as part of thermal pushed refrigeration technology.
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Additional resources for Adsorption Refrigeration Technology: Theory and Application
Such a simulation is acceptable for the equilibrium process. For the non-equilibrium process the composite adsorption is complex because it includes the heat and mass transfer processes in 18 Adsorption Refrigeration Technology chemical adsorbent and porous media. In the reaction phase the volume of chemical adsorbent, as well as the density of porous additive will all be changed, and such a phenomenon will influence the adsorption performance. Thus the heat and mass transfer performances for both chemical and porous materials need to be considered for the non-equilibrium adsorption models.
4 Heat Pipe Technology Meunier put forward a novel idea for the improvement of the heat transfer performance, which used the phase change processes, such as condensation and evaporation processes, for heating and cooling adsorbers to obtain a high heat transfer coefficient . LIMSI has studied this idea, and the heat transfer coefficient is about 10 kW/m2 . Vasiliev also introduced the concept of pulse heat pipe into the adsorbent bed by using propane as the working medium in the design of the pulse heat pipe, for which the adsorption bed is a tablet-shaped heat pipe made of aluminum, and the width of the heat pipe is only 7 mm .
The disadvantage of increasing the heat transfer area is the increment of the heat capacity of the metal materials for adsorbers, thus an advanced cycle is usually required for the recovery of heat among adsorbers. For granular adsorbents, with the application of this technology, the wall heat transfer coefficient generally depends on the granularity of the adsorbent, and a small size adsorbent is believed to be necessary for the improvement of the heat transfer coefficients . For example, Miles and Shelton, using small particle size of adsorbent, shortened the cycle time to 5 minutes .
Adsorption Refrigeration Technology: Theory and Application by Ruzhu Wang