Effects of heterogeneous catalysis in porous media on nanofluid-based reactions

Chunyan Liu, Mingyang Pan, Liancun Zheng, Ping Lin

Research output: Contribution to journalArticle

Abstract

This paper studies a new type of homogeneous(HOM)-heterogeneous(HET) reactions in Al2O3-water-based nanofluid flowing through porous media over a stretching plate. Prior investigators have focused mainly on the catalytic effects on the plate, we model the influence of heterogeneous catalysis in porous media on these reactions. The HET reactions on the surfaces of porous media and plate are both governed by the first-order kinetics, while the HOM reaction in the fluid is given by the isothermal cubic autocatalytic kinetics. In addition, the thermal conductivity of four distinct shapes of nanoparticle, sphere, brick, cylinder, and platelet, is taken into consideration with the Hamilton-Crosser model. The obtained nonlinear differential systems simplified by using similarity transformations are numerically calculated by the bvp4c algorithm. Results demonstrate that the increase of interfacial area of porous media enhances the rate of surface-catalyzed reaction and therefore porous media can greatly shorten the chemical reaction time. Moreover, we find that platelet nanoparticles exhibit the highest convective heat transfer capacity.

Original languageEnglish
Article number104434
Number of pages7
JournalInternational Communications in Heat and Mass Transfer
Volume110
Early online date30 Nov 2019
DOIs
Publication statusPublished - Jan 2020

Fingerprint

Catalysis
catalysis
Porous materials
Platelets
platelets
Porous plates
Nanoparticles
nanoparticles
Kinetics
bricks
convective heat transfer
kinetics
Surface reactions
Brick
reaction time
surface reactions
Stretching
Chemical reactions
Thermal conductivity
chemical reactions

Keywords

  • Nanofluid
  • Particle shape
  • Porous media
  • Surface-catalyzed reaction

Cite this

Liu, C., Pan, M., Zheng, L., & Lin, P. (2020). Effects of heterogeneous catalysis in porous media on nanofluid-based reactions. International Communications in Heat and Mass Transfer, 110, [104434]. https://doi.org/10.1016/j.icheatmasstransfer.2019.104434
Liu, Chunyan ; Pan, Mingyang ; Zheng, Liancun ; Lin, Ping. / Effects of heterogeneous catalysis in porous media on nanofluid-based reactions. In: International Communications in Heat and Mass Transfer. 2020 ; Vol. 110.
@article{63bf391b6427491e94f97210a8229250,
title = "Effects of heterogeneous catalysis in porous media on nanofluid-based reactions",
abstract = "This paper studies a new type of homogeneous(HOM)-heterogeneous(HET) reactions in Al2O3-water-based nanofluid flowing through porous media over a stretching plate. Prior investigators have focused mainly on the catalytic effects on the plate, we model the influence of heterogeneous catalysis in porous media on these reactions. The HET reactions on the surfaces of porous media and plate are both governed by the first-order kinetics, while the HOM reaction in the fluid is given by the isothermal cubic autocatalytic kinetics. In addition, the thermal conductivity of four distinct shapes of nanoparticle, sphere, brick, cylinder, and platelet, is taken into consideration with the Hamilton-Crosser model. The obtained nonlinear differential systems simplified by using similarity transformations are numerically calculated by the bvp4c algorithm. Results demonstrate that the increase of interfacial area of porous media enhances the rate of surface-catalyzed reaction and therefore porous media can greatly shorten the chemical reaction time. Moreover, we find that platelet nanoparticles exhibit the highest convective heat transfer capacity.",
keywords = "Nanofluid, Particle shape, Porous media, Surface-catalyzed reaction",
author = "Chunyan Liu and Mingyang Pan and Liancun Zheng and Ping Lin",
note = "The work of the authors is supported by the National Natural Science Foundations of China (Nos. 11772046, 81870345, 11771040, 11861131004).",
year = "2020",
month = "1",
doi = "10.1016/j.icheatmasstransfer.2019.104434",
language = "English",
volume = "110",

}

Liu, C, Pan, M, Zheng, L & Lin, P 2020, 'Effects of heterogeneous catalysis in porous media on nanofluid-based reactions', International Communications in Heat and Mass Transfer, vol. 110, 104434. https://doi.org/10.1016/j.icheatmasstransfer.2019.104434

Effects of heterogeneous catalysis in porous media on nanofluid-based reactions. / Liu, Chunyan; Pan, Mingyang; Zheng, Liancun; Lin, Ping.

In: International Communications in Heat and Mass Transfer, Vol. 110, 104434, 01.2020.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effects of heterogeneous catalysis in porous media on nanofluid-based reactions

AU - Liu, Chunyan

AU - Pan, Mingyang

AU - Zheng, Liancun

AU - Lin, Ping

N1 - The work of the authors is supported by the National Natural Science Foundations of China (Nos. 11772046, 81870345, 11771040, 11861131004).

PY - 2020/1

Y1 - 2020/1

N2 - This paper studies a new type of homogeneous(HOM)-heterogeneous(HET) reactions in Al2O3-water-based nanofluid flowing through porous media over a stretching plate. Prior investigators have focused mainly on the catalytic effects on the plate, we model the influence of heterogeneous catalysis in porous media on these reactions. The HET reactions on the surfaces of porous media and plate are both governed by the first-order kinetics, while the HOM reaction in the fluid is given by the isothermal cubic autocatalytic kinetics. In addition, the thermal conductivity of four distinct shapes of nanoparticle, sphere, brick, cylinder, and platelet, is taken into consideration with the Hamilton-Crosser model. The obtained nonlinear differential systems simplified by using similarity transformations are numerically calculated by the bvp4c algorithm. Results demonstrate that the increase of interfacial area of porous media enhances the rate of surface-catalyzed reaction and therefore porous media can greatly shorten the chemical reaction time. Moreover, we find that platelet nanoparticles exhibit the highest convective heat transfer capacity.

AB - This paper studies a new type of homogeneous(HOM)-heterogeneous(HET) reactions in Al2O3-water-based nanofluid flowing through porous media over a stretching plate. Prior investigators have focused mainly on the catalytic effects on the plate, we model the influence of heterogeneous catalysis in porous media on these reactions. The HET reactions on the surfaces of porous media and plate are both governed by the first-order kinetics, while the HOM reaction in the fluid is given by the isothermal cubic autocatalytic kinetics. In addition, the thermal conductivity of four distinct shapes of nanoparticle, sphere, brick, cylinder, and platelet, is taken into consideration with the Hamilton-Crosser model. The obtained nonlinear differential systems simplified by using similarity transformations are numerically calculated by the bvp4c algorithm. Results demonstrate that the increase of interfacial area of porous media enhances the rate of surface-catalyzed reaction and therefore porous media can greatly shorten the chemical reaction time. Moreover, we find that platelet nanoparticles exhibit the highest convective heat transfer capacity.

KW - Nanofluid

KW - Particle shape

KW - Porous media

KW - Surface-catalyzed reaction

UR - http://www.scopus.com/inward/record.url?scp=85075710789&partnerID=8YFLogxK

U2 - 10.1016/j.icheatmasstransfer.2019.104434

DO - 10.1016/j.icheatmasstransfer.2019.104434

M3 - Article

AN - SCOPUS:85075710789

VL - 110

M1 - 104434

ER -

Liu C, Pan M, Zheng L, Lin P. Effects of heterogeneous catalysis in porous media on nanofluid-based reactions. International Communications in Heat and Mass Transfer. 2020 Jan;110. 104434. https://doi.org/10.1016/j.icheatmasstransfer.2019.104434