Multifactor roadmap for designing low‐power‐consumed micro thermoelectric thermostats in a closed‐loop integrated 5G optical module

D Yang, Y **ng, J Wang, K Hu, Y **ao… - Interdisciplinary …, 2024 - Wiley Online Library
As the core components of fifth‐generation (5G) communication technology, optical modules
should be consistently miniaturized in size while improving their level of integration. This …

An improved numerical model based on the equivalent thermal conductivity method for downhole thermal management systems

J Peng, W Lan, C Deng, F Wei, S Ding, R Hu… - … Communications in Heat …, 2024 - Elsevier
The electronics in logging tools are susceptible to thermal failure due to the extreme thermal
environment. Passive thermal management system (PTMS) has been proven to protect the …

Fabrication and heat dissipation performance of diamond/Cu composite with diamond bars inserted in the normal direction

JJ Shen, J Gao, K Zheng, Y Ma, HJ Hei, YX Wu… - Journal of Alloys and …, 2024 - Elsevier
In this paper, a new type of diamond/Cu composite with diamond bars inserted in the normal
direction is designed and prepared by vacuum brazing. In order to reduce the negative effect …

A numerical model coupling multiple heat transfer modes to develop a passive thermal management system for logging tool

J Peng, W Lan, F Wei, C Deng, B **e, X Luo - Applied Thermal Engineering, 2023 - Elsevier
Logging tools are subjected to increasingly extreme thermal environments due to the
exploration of deeper wells. Previous studies have shown that passive thermal management …

Experimental and numerical investigation on a hybrid high-temperature downhole thermal management system integrating liquid cooling and phase change material

J Peng, J Li, S Zhang, G **ng, J Ma, B Shang… - Applied Thermal …, 2025 - Elsevier
The downhole electronics must operate in an extremely thermal environment for several
hours. Previous researches have proved that passive thermal management systems …

Durable and reliable thermal management system with superior temperature uniformity for sidewall coring tool in extreme thermal environments

J Peng, Z Tian, C Deng, F Wei, B Shang… - Thermal Science and …, 2024 - Elsevier
The sidewall coring tool (SCT) plays a crucial role in exploring the distribution of oil and gas
resources, which needs to operate in a challenging high temperature (205° C) and vibrating …

A transient thermal model for forecasting the real-time temperature of downhole electronics

F Wei, W Lan, C Deng, J Peng, X Luo - International Journal of Thermal …, 2024 - Elsevier
Logging tools are essential for high-temperature downhole oil exploration. Passive thermal
management has been widely used to ensure the normal operation of downhole electronics …

Mechanism analysis and CFD investigation on the key structures of the guide wheel and turbine for a high-power turbine generator while drilling

Z Yan, X Zhao, W Pan, Z Wang, Z Chen… - Geoenergy Science and …, 2025 - Elsevier
The high-power turbine generator while drilling represents the optimal solution for
addressing the issue of stable power supply to the downhole tool string, characterized by …

Experimental comparison on thermal performance of pulsating heat pipe and embedded heat pipe heat spreaders

SK Hota, KL Lee, G Hoeschele… - 2023 39th …, 2023 - ieeexplore.ieee.org
Two passive heat spreaders: one based on Embedded conventional Heat Pipes (EHP), and
one based on internal capillary channel Pulsating Heat Pipes (PHP) were fabricated and …

Thermal management system of vapor compression for downhole instrument

Q Tao, M Wei, H Chen, A Deng… - Journal of …, 2023 - asmedigitalcollection.asme.org
As the depth of oil and gas exploration increases, downhole electronics face the threat of
high-temperature failure. At present, passive cooling technology has the problem of short …