Conductance of Packed Spheres in Vacuum
Abstract
An analytical study is presented for the heat transfer through the solid phase of a packed bed of spheres bounded by two infinite plane surfaces of different temperatures. The prediction of the conductance is based on the constriction resistance for spheres in contact. Both exact and approximate equations are derived for solid, hollow, and coated spheres and for several regular packing patterns of different void fractions. Comparisons with the available experimental data indicate that the theory is satisfactory over a wide range of applied load and system parameters.
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Chen and Tien [20] derived theoretical equations for hollow and coated spherical particles with different packing patterns.
“Chen and Tien [20] derived theoretical equations for hollow and coated spherical particles with different packing patters.”
From Effective thermal conductivity of insulation materials for cryogenic LH2 storage tanks: A review (2023) · cites this paper as [20]
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Effective thermal conductivity of insulation materials for cryogenic LH2 storage tanks: A review
Ratnakar, R. R., Sun, Z., & Balakotaiah, V. (2023) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2022.11.130 · Cited by 73 · see citing works
Thermal Conductivity of Microsphere Cryogenic Insulation
Nayak, A. L., & Tien, C. L. (1977) · Advances in Cryogenic Engineering · doi:10.1007/978-1-4613-9850-9_27 · Cited by 16 · see citing works
Self-citation
- Authors
- Chan, C. K., & Tien, C. L.
- Affiliations
- University of California, Berkeley (US)
- ORCID
- Chan, C. K.
- Venue
- Journal of Heat Transfer
- Publisher
- Wiley
- Published
- 1973-08-01
- Volume
- 95
- Issue
- 3
- Pages
- 302-308
- ISSN
- 0022-1481 (ISSN-L)
- 1528-8943
- OpenAlex
- W1972253980
- Cited by
- 152
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 7 · 2023: 8 · 2022: 8 · 2021: 10 · 2020: 4 · 2019: 2 · 2018: 5 · 2017: 9 · 2016: 8 · 2015: 4 · 2014: 3 · 2013: 3 · 2012: 8
- FWCI
- 4.93
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ASME Journal of Heat and Mass Transfer (publishedVersion)
- Topics
- Physical Sciences › Engineering › Computational Mechanics › Heat and Mass Transfer in Porous Media
- Physical Sciences › Engineering › Computational Mechanics › Heat Transfer and Numerical Methods
- Physical Sciences › Engineering › Computational Mechanics › Granular flow and fluidized beds
- Keywords
- packed beds, heat conduction, conductance, solid sphere, hollow spheres, coated spheres, constriction resistance, void fraction, contact resistance, vacuum heat transfer
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