boron nitride nanosheet
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2022 ◽  
Vol 26 ◽  
pp. 101299
Author(s):  
Taoqing Huang ◽  
Fubao Yang ◽  
Tian Wang ◽  
Jun Wang ◽  
Yongwei Li ◽  
...  

2021 ◽  
Vol 306 (12) ◽  
pp. 2170050
Author(s):  
Youli Sun ◽  
Hongbo Dang ◽  
HaoYuan Tan ◽  
Jiashuang Luan ◽  
Dong Jiang ◽  
...  

Author(s):  
Shuangqiao Han ◽  
Qiangqiang Song ◽  
Xiaoquan Feng ◽  
Jing Wang ◽  
Xiang Zhang ◽  
...  

2021 ◽  
pp. 1-5
Author(s):  
Bao Yang ◽  
Liangbing Hu ◽  
Weiwei Ping ◽  
Rishi Roy ◽  
Ashwani K. Gupta

Abstract One of the major challenges in the development of micro-combustors is heat losses that results in flame quenching, and reduced combustion efficiency and performance. In this work, a novel thermal barrier coating (TBC) using hexagonal boron nitride (h-BN) nanosheets as building blocks was developed and applied to a Swiss roll micro-combustor for determining its heat losses with increased temperatures inside the combustor that contributes to improved performance. It was found that by using the h-BN TBC, the combustion temperature of the micro-combustor increased from 850K to 970K under the same thermal loading and operational conditions. This remarkable temperature increase using the BN TBC originated from its low cross-plane thermal conductivity of 0.4 W m-1 K-1to mitigate the heat loss from the micro-combustor plates. Such a low thermal conductivity in the h-BN TBC is attributed to its interfacial resistance between the nanosheets. The development of h-BN TBC provides an effective approach to improve thermal management for performance improvements of gas turbine engines, rocket engines and all various kinds of micro-combustors.


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