dc.contributor.author | Liu, T | en_US |
dc.contributor.author | Deng, ZC | en_US |
dc.contributor.author | Lu, TJ | en_US |
dc.date.accessioned | 2022-09-09T13:26:58Z | |
dc.date.available | 2007-04-22 | en_US |
dc.date.issued | 2007-05-08 | en_US |
dc.identifier.issn | 0022-5096 | en_US |
dc.identifier.uri | https://qmro.qmul.ac.uk/xmlui/handle/123456789/80420 | |
dc.description.abstract | All metallic, hollow sandwich cylinders having ultralight two-dimensional (2D) prismatic cores are optimally designed for maximum thermo-mechanical performance at minimum mass. The heated cylinder is subjected to uniform internal pressure and actively cooled by forced air convection. The use of two different core topologies is exploited: square- and triangular-celled cores. The minimum mass design model is so defined that three failure modes are prevented: facesheet yielding, core member yielding, and core member buckling. The intersection-of-asymptotes method, in conjunction with the fin analogy model, is employed to build the optimization model for maximum heat transfer rate. A non-dimensional parameter is introduced to couple the two objectives-structural and thermal-in a single cost function. It is found that the geometry corresponding to maximum heat transfer rate is not unique, and square-celled core sandwich cylinders outperform those having triangular cells. The eight-layered sandwich cylinders with square cells have the best overall performance in comparison with other core topologies. Whilst a sandwich cylinder with shorter length is preferred for enhanced thermo-mechanical performance, the influence of the outer radius of the cylinder is rather weak. © 2007 Elsevier Ltd. All rights reserved. | en_US |
dc.format.extent | 2565 - 2602 | en_US |
dc.publisher | Elsevier | en_US |
dc.relation.ispartof | Journal of the Mechanics and Physics of Solids | en_US |
dc.title | Bi-functional optimization of actively cooled, pressurized hollow sandwich cylinders with prismatic cores | en_US |
dc.type | Article | |
dc.rights.holder | © 2007, Published by Elsevier Inc. | |
dc.identifier.doi | 10.1016/j.jmps.2007.04.007 | en_US |
pubs.issue | 12 | en_US |
pubs.notes | Not known | en_US |
pubs.publication-status | Published | en_US |
pubs.volume | 55 | en_US |
dcterms.dateAccepted | 2007-04-22 | en_US |
rioxxterms.funder | Default funder | en_US |
rioxxterms.identifier.project | Default project | en_US |