Thermal transmission of camouflage nets revisited

Johan Jersblad; Pieter Jacobs

doi:10.1117/12.2240855

24 October 2016 Thermal transmission of camouflage nets revisited

Johan Jersblad, Pieter Jacobs

Author Affiliations +

Proceedings Volume 9997, Target and Background Signatures II; 99970S (2016) https://doi.org/10.1117/12.2240855
Event: SPIE Security + Defence, 2016, Edinburgh, United Kingdom

Abstract

In this article we derive, from first principles, the correct formula for thermal transmission of a camouflage net, based on the setup described in the US standard for lightweight camouflage nets. Furthermore, we compare the results and implications with the use of an incorrect formula that have been seen in several recent tenders. It is shown that the incorrect formulation not only gives rise to large errors, but the result also depends on the surrounding room temperature, which in the correct derivation cancels out. The theoretical results are compared with laboratory measurements. The theoretical results agree with the laboratory results for the correct derivation. To summarize we discuss the consequences for soldiers on the battlefield if incorrect standards and test methods are used in procurement processes.

Citation Download Citation

Johan Jersblad and Pieter Jacobs "Thermal transmission of camouflage nets revisited", Proc. SPIE 9997, Target and Background Signatures II, 99970S (24 October 2016); https://doi.org/10.1117/12.2240855

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