Integration of linear thermoelectric modules composed of low and intermediate temperature p- and n-type metallic semiconductors into combustion chamber walls

摘要

In this study, an advanced design of the segmented linear TEG is proposed for the integration into a combustion engine system in unmanned aerial vehicles (UAV) with two innovative integration designs: (a) T-shaped electrode based on a composite of Copper (Cu) and Aluminum nitride (AlN), and (b) self-jointing by shrink-fit behavior of shape memory alloy (SMA). As the high temperature TE segments, bulk Mg_2Si of n-type and higher manganese silicide (HMS, MnSi_(2-x), x=0.250-0.273) of p-type are used since they are light-weight, non-toxic and cost-effective TE compounds working at high temperature range. In the following, we will discuss linear-shaped TEG design and also its performance as compared with π-shaped TE module.