Niyomugabo Emmanuel Ladislas, Qingmin Li, Qiushi Liu, et al. Bubble Changing Features and Buckle of the Free Liquid Surface in Active Oiled Power Transformer Tank[J]. CSEE Journal of Power and Energy Systems, 2026, 12(3): 1641-1649.
DOI:
Niyomugabo Emmanuel Ladislas, Qingmin Li, Qiushi Liu, et al. Bubble Changing Features and Buckle of the Free Liquid Surface in Active Oiled Power Transformer Tank[J]. CSEE Journal of Power and Energy Systems, 2026, 12(3): 1641-1649. DOI: 10.17775/CSEEJPES.2022.05350.
Bubble Changing Features and Buckle of the Free Liquid Surface in Active Oiled Power Transformer Tank
摘要
Abstract
This study investigates bubble dynamics and the buckling behavior of free liquid surfaces. Comsol Multiphysics was used to analyze bubble formation and collapse in a rectangular tank. The number of apertures and distance between them were studied to determine their effect on bubble characteristics and interface deformation. In addition
the application comprised information regarding bubble creation
prevalence
and path. It discussed the phenomenon of bubbling based on various heated cavities. There are minutiae concerning coexistence of bubble collapse aftermaths of single
double
and triple inlet cavity sources. Data analysis indicates likelihood of bubble detachment hikes with increasing cavity count. However
bubble leaving frequency decreases with increased source spacing. We realized that growth and bubbles could extend the base by raising wall temperature
but it curtailed bubble removal diameter and time. Whenever an electric field is strong
more bubbles leave the superheated cavity
and bubble size decreases. Fallout shows changes in these geometric criteria considerably impact deformation of free liquid surfaces caused by bubble bursting and other bubble characteristics. The above characteristics of bubbles under combined stress provide an understanding of one source of stream development in the power transformer. Using results from these studies
it is possible to design a device for bubble generation
Investigating the Dynamic Behavior of Bubbles in Oil During Partial Discharge
Effect of Interface Charge on Partial Discharge Characteristics of Oil-Pressboard Insulation in Non-Uniform AC/DC Combined Electric Field Under Different Temperatures
CFD Analysis of an 800 kV HVDC Transformer Using Rapeseed Oil as the Cooling Fluid
Review on the Characteristics, Heating Sources and Evolutionary Processes of the Operating Composite Insulators with Abnormal Temperature Rise
Fault diagnosis of power transformers using graph convolutional network
Related Author
Hongbin Wu
Hongshun Liu
Yifan Wang
Pengfei Lu
Luyao Liu
Hanliang Lin
Dongxin He
Qingmin Li
Related Institution
Shandong Provincial Key Laboratory of UHV Transmission Technology and Equipment, School of Electrical Engineering, Shandong University
Langfang Power Supply Company of State Grid Jibei Electric Power Co., Ltd
School of Electrical and Electronic Engineering, North China Electric Power University
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University
Key Laboratory of Power Station Energy Transfer Conversion and System (Ministry of Education), School of Energy Power and Mechanical Engineering, North China Electric Power University