ORCID Profile
0000-0003-2690-9661
Current Organisations
University of Sharjah
,
Mansoura University
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Publisher: ASMEDC
Date: 2008
Abstract: The adsorption isotherms and kinetics of gaseous methane onto highly porous activated carbon (Maxsorb-III) at temperatures ranging from 278 to 333 K and at different equilibrium pressures between 0.1 and 2.0 MPa have been experimentally measured by the desorption method unlike volumetric or thermo-gravimetric apparatus. The thermophysical properties such as skeletal density, BET surface area, pore size, pore volume and the total porosity of Maxsorb-III have been determined. The Dubinin-Astakhov (DA) and Langmuir isotherm models are found to fit well all of the experimental data within the experimental errors. The experimental isotherms and the computed isosteric heat of adsorption are compared with the measurements of similar specimens of activated carbon of other researchers, and found to be consistent. The present isotherm and isosteric heat data are useful for designing environmentally benign adsorption cooling and storage systems.
Publisher: ASMEDC
Date: 2009
Abstract: This article presents a thermodynamic framework for the estimation of the minimum driving heat source temperature of an advanced adsorption cooling device from the rigor of Boltzmann distribution function and the condensation approximation of adsorptive molecules on adsorbent porous surface. The calculated resuls are validated with our own experimentally measured data. From this thermodynamic analysis, an interesting and useful finding has been established that it is possible to develop an adsorption cooling device that operates with a driving heat source temperature as low as 40 °C along with a coolant of temperature 30 °C. We have also presented here the thermodynamic modeling and experimental investigation of an advanced adsorption chiller for understanding its working principles.
Publisher: Elsevier BV
Date: 11-2006
Publisher: American Chemical Society (ACS)
Date: 16-10-2007
DOI: 10.1021/JE700369J
Publisher: American Chemical Society (ACS)
Date: 19-07-2008
DOI: 10.1021/JE800204P
Publisher: Elsevier BV
Date: 03-2007
Publisher: Elsevier BV
Date: 03-2008
No related grants have been discovered for Ibrahim I. El-Sharkawy.