Share

IIR document

Corrected adsorption rate model of activated carbon-ethanol pair by means of CFD simulation.

Author(s) : JRIBI S., MIYAZAKI T., SAHA B. B., et al.

Type of article: Article, IJR article

Summary

The adsorption rate is an important parameter for accurate performance estimation of adsorbent-refrigerant based adsorption cooling cycles. Here, we have investigated the response of two adsorption kinetics models of activated carbon–ethanol pair by means of CFD simulation. The isothermal assumption used in estimating the diffusion time constant of Fickian diffusion and linear driving force (LDF) models led to divergence and under-estimated adsorption uptakes, respectively. By including the simulated adsorbent temperature profile in fitting of LDF model to experimental data, we assessed the non-isothermal diffusion time constants which were 2.5 to 5 times higher than those evaluated previously with isothermal assumption. The goodness of fitting, evaluated with coefficient of determination (R2), improved and became higher than 0.95 from 0.73 initially. The developed non-isothermal LDF equation allows accurate heat and mass transfer simulations and performance optimization of large scale adsorption/desorption bed employing activated carbon-ethanol pair for adsorption cooling applications.

Available documents

Format PDF

Pages: 60-68

Available

  • Public price

    20 €

  • Member price*

    Free

* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).

Details

  • Original title: Corrected adsorption rate model of activated carbon-ethanol pair by means of CFD simulation.
  • Record ID : 30019424
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 71
  • Publication date: 2016/11

Links


See other articles in this issue (10)
See the source

Indexing