skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: TransPore: A generic heat and mass transfer computational model for understanding and visualizing the drying of porous media

Abstract

In this work a sophisticated numerical model is presented that describes the drying of porous media. This model, which is known as TransPore, has evolved over the years through the direct inputs of both authors. Nowadays, TransPore can be used to analyze the drying of media that are of completely arbitrary shape and size, under a variety of drying conditions. The engine of the computational model uses a number of state-of-the-art numerical methods that ensure the simulation results describe the particular drying process accurately, whilst guaranteeing the most efficient and effective usage of computer resources. For example, the numerical discretization method is based on a completely conservative hybrid finite element control volume technique that uses a finite element mesh for its background gradient interpolation. Furthermore, flux limiting is used to reduce numerical dispersion in the drying kinetics and the generated non-linear system is resolved using the full Newton method for the outer iteration coupled together with a preconditioned conjugate gradient technique for the inner iteration. A graphical interface has been linked to the model to enable online visualization of the drying process. The mathematical model allows both homogeneous and heterogeneous porous media to be simulated. The resultant software is anmore » extremely powerful and effective tool for investigating existing dryer designs and for proposing new and innovative drying schedules that provide optimal drying quality in minimal drying time.« less

Authors:
;
Publication Date:
Research Org.:
E.N.G.R.E.F., Nancy (FR)
OSTI Identifier:
20006231
Alternate Identifier(s):
OSTI ID: 20006231
Resource Type:
Journal Article
Journal Name:
Drying Technology
Additional Journal Information:
Journal Volume: 17; Journal Issue: 7-8; Conference: 11th International Drying Symposium (IDS'98), Halkidiki (GR), 08/19/1998--08/22/1998; Other Information: PBD: Aug-Sep 1999; Journal ID: ISSN 0737-3937
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; POROUS MATERIALS; DRYING; T CODES; MASS TRANSFER; HEAT TRANSFER; DRYERS; COMPUTER-AIDED DESIGN

Citation Formats

Perre, P., and Turner, I.W. TransPore: A generic heat and mass transfer computational model for understanding and visualizing the drying of porous media. United States: N. p., 1999. Web. doi:10.1080/07373939908917614.
Perre, P., & Turner, I.W. TransPore: A generic heat and mass transfer computational model for understanding and visualizing the drying of porous media. United States. doi:10.1080/07373939908917614.
Perre, P., and Turner, I.W. Wed . "TransPore: A generic heat and mass transfer computational model for understanding and visualizing the drying of porous media". United States. doi:10.1080/07373939908917614.
@article{osti_20006231,
title = {TransPore: A generic heat and mass transfer computational model for understanding and visualizing the drying of porous media},
author = {Perre, P. and Turner, I.W.},
abstractNote = {In this work a sophisticated numerical model is presented that describes the drying of porous media. This model, which is known as TransPore, has evolved over the years through the direct inputs of both authors. Nowadays, TransPore can be used to analyze the drying of media that are of completely arbitrary shape and size, under a variety of drying conditions. The engine of the computational model uses a number of state-of-the-art numerical methods that ensure the simulation results describe the particular drying process accurately, whilst guaranteeing the most efficient and effective usage of computer resources. For example, the numerical discretization method is based on a completely conservative hybrid finite element control volume technique that uses a finite element mesh for its background gradient interpolation. Furthermore, flux limiting is used to reduce numerical dispersion in the drying kinetics and the generated non-linear system is resolved using the full Newton method for the outer iteration coupled together with a preconditioned conjugate gradient technique for the inner iteration. A graphical interface has been linked to the model to enable online visualization of the drying process. The mathematical model allows both homogeneous and heterogeneous porous media to be simulated. The resultant software is an extremely powerful and effective tool for investigating existing dryer designs and for proposing new and innovative drying schedules that provide optimal drying quality in minimal drying time.},
doi = {10.1080/07373939908917614},
journal = {Drying Technology},
issn = {0737-3937},
number = 7-8,
volume = 17,
place = {United States},
year = {1999},
month = {9}
}