Natural and forced convection heat transfer characteristics of single-phase immersion cooling systems for data centers

Y Huang, J Ge, Y Chen, C Zhang - International Journal of Heat and Mass …, 2023 - Elsevier
Improving power usage effectiveness (PUE) in data centers becomes a key challenge for
carbon neutrality and carbon peaking strategies. In this context, this paper investigates the …

Performance evaluation and optimization of data center servers using single-phase immersion cooling

H Wang, X Yuan, K Zhang, X Lang, H Chen… - International Journal of …, 2024 - Elsevier
This paper conducts a comprehensive performance evaluation and optimization of single-
phase immersion cooling (SPIC) systems to address challenges in data center server …

Atomic mechanisms of long-term pyrolysis and gas production in cellulose-oil composite for transformer insulation

G Qu, S Li - Applied Energy, 2023 - Elsevier
Cellulose-oil composite (COC) insulating materials are widely used in the transformer owing
to their excellent physical and chemical properties. However, long-term thermal instability of …

Heat management technology for solid‐state high voltage and high repetitive pulse generators: Towards better effects and reliability

Y Wang, L Ren, Z Yang, S Shen, Z Deng, Q Yuan… - High …, 2024 - Wiley Online Library
Solid‐state high voltage high repetitive pulse generators have a broad prospect in various
applications. The high power and high‐frequency operation of the pulse generator suffer …

High-voltage repetitive nanosecond pulse generator utilizing power synthesis of modified avalanche transistorized Marx circuits

L Cheng, K Mei, Z Chen, W Jia, Y Wang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In order to further improve the output voltage amplitude and repetitive operation reliability of
nanosecond pulse generator (PG) based on avalanche transistor (AT), the method of power …

Comprehensive Overview of Power Electronics Intensive Solutions for High-Voltage Pulse Generators

Y Zhuge, J Liang, M Fu, T Long… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
With the advancements in power semiconductors and converters, power electronics based
high-voltage pulse generators (HVPG) have emerged due to their advantages of high …

High repetition frequency subnanosecond avalanche Marx generator

L Yu, Y Liao, L Ren, Y Lie, C Yao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Ultrawideband electromagnetic pulses have sub-nanosecond rise time and repetition
frequency above 100 kHz. Ultrawideband characteristics make it increasingly used in …

A Marx-based Gaussian monocycle pulse generator with low ringing level for ground penetrating radar applications

S Pi, Q Yu, T Wang, J Lin - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
The Gaussian pulse generator is the core component of the pulse ground penetrating radar
(GPR) system, which requires high amplitude, narrow pulse width, and low ringing levels …

Stepwise development of atmospheric pressure plasma jet driven by bursts of high-voltage nanosecond pulses at multi-tens MHz

S Shen, J Yan, Y Wang, Y Wang… - … Sources Science and …, 2022 - iopscience.iop.org
This study employs the bursts of high-voltage nanosecond pulses at multi-tens MHz to drive
the helium atmospheric pressure plasma jet. Such bursts are obtained by modulating a high …

New advances in solid-state pulse generator based on magnetic switches

Q Yuan, Z Deng, W Ding, Y Wang, J Wu - Review of Scientific …, 2022 - pubs.aip.org
Pulsed power technology is gradually forming a development trend of civil-military
integration, which puts forward more requirements for pulsed power generators. This paper …