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http://hdl.handle.net/10397/106439
Title: | Measuring thermal conductivity of ultra-small materials exampled by the reaction chambers of bombardier beetles | Authors: | Guo, Z Sha, W Yao, H |
Issue Date: | May-2019 | Source: | International journal of heat and mass transfer, May 2019, v. 134, p. 1318-1322 | Abstract: | Bombardier beetles, as their name implies, defend themselves against the potential predators by spraying boiling-hot and corrosive chemicals which are products of an explosive biochemical reaction taking place in the paired organs called reaction chambers (RCs). Why these beetles can withstand the explosive reaction that takes place in their bodies? Knowledge of thermal properties of the RCs will help to shed light on this puzzle. However, the submillimeter dimension and irregular shape of the RCs discourage the traditional methods for thermal characterization. To overcome this challenge, in this paper a method is developed particularly for measuring the thermal conductivity of a material with dimension as small as submillimeter. The measurement results by this method are demonstrated reliable especially for polymeric or organic materials including the RCs of bombardier beetles. The results in this paper not only help to understand the superior thermal insulation of the RC wall but also offer a facile approach to measuring the thermal conductivity of materials in submillimeter scale. | Keywords: | Biomaterials Thermal characterization Thermal conduction Thermal insulation Thermal properties |
Publisher: | Elsevier Ltd | Journal: | International journal of heat and mass transfer | ISSN: | 0017-9310 | EISSN: | 1879-2189 | DOI: | 10.1016/j.ijheatmasstransfer.2019.02.059 | Rights: | © 2019 Elsevier Ltd. All rights reserved © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Guo, Z., Sha, W., & Yao, H. (2019). Measuring thermal conductivity of ultra-small materials exampled by the reaction chambers of bombardier beetles. International Journal of Heat and Mass Transfer, 134, 1318-1322 is available at https://doi.org/10.1016/j.ijheatmasstransfer.2019.02.059. |
Appears in Collections: | Journal/Magazine Article |
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Guo_Measuring_Thermal_Conductivity.pdf | Pre-Published version | 1.32 MB | Adobe PDF | View/Open |
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