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Browsing by Author "Xie, Yongqi"
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A data driven deep neural network model for predicting boiling heat transfer in helical coils under high gravity
Liang, Xing; Xie, Yongqi; Day, Rodney; Meng, Xianhai; Wu, Hongwei (2021-02-01)In this article, a deep artificial neural network (ANN) model has been proposed to predict the boiling heat transfer in helical coils under high gravity conditions, which is compared with experimental data. A test rig is ... -
Experimental and Analytical Study of Dual Compensation Chamber Loop Heat Pipe under acceleration force assisted condition
Han, Longzhu; Xie, Yongqi; Zhu, Jianqin; Wu, Hongwei; Zhang, Hongxing (2020-06-01)In this article, a combined experimental and theoretical study has been conducted to investigate the operating characteristics of a dual compensation chamber loop heat pipe (DCCLHP) with ammonia as the working fluid under ... -
Experimental and analytical study on heat generation characteristics of a lithium-ion power battery
Xie, Yongqi; Tang, Jincheng; Shi, Shang; Wu, Hongwei; Yu, Jianzu (2018-07-01)A combined experimental and analytical study has been performed to investigate the transient heat generation characteristics of a lithium-ion power battery in the present work. Experimental apparatus is newly built and the ... -
Experimental and numerical investigation on conjugate performance of fan and heat exchanger of helicopter oil cooling system
Tang, Jincheng; Xie, Yongqi; Wu, Hongwei; Fang, Zhen; Yu, Jianzu; McCluskey, Daniel (2022-09-14)In this article, a combined experimental and numerical study has been performed to investigate the operating performance of axial fan and oil cooling system. A test rig was established, and six types of plate-fin heat ... -
Experimental and numerical investigation on integrated thermal management for lithium-ion battery pack with composite phase change materials
Xie, Yongqi; Tang, Jincheng; Shi, Shang; Xing, Yuming; Wu, Hongwei; Hu, Zhongliang; Wen, Dongsheng (2017-12-15)In this article, a novel composite phase change materials based thermal management system coupled with air cooling was proposed in order to sustain the temperature rise and distribution within desirable ranges of the ... -
Experimental investigation on transient characteristics of a dual compensation chamber loop heat pipe subjected to acceleration forces
Xie, Yongqi; Zhou, Yang; Wen, Dongsheng; Wu, Hongwei; Haritos, George; Zhang, Hongxing (2018-02-05)In this article, an experimental study has been conducted to provide better understanding of the transient characteristics of a dual compensation chamber loop heat pipe (DCCLHP) subjected to the acceleration force. A new ... -
Heat transfer optimisation using novel biomorphic pin-fin heat sinks: An integrated approach via design for manufacturing, numerical simulation, and machine learning
Harris, Mohammad; Wu, Hongwei; Angelopoulou, Anastasia; Zhang, Wenbin; Hu, Zhuohuan; Xie, Yongqi (2024-05-01)With the availability of advanced manufacturing techniques, non-conventional shapes and bio-inspired/biomorphic designs have shown to provide more efficient heat transfer. Consequently, this research investigates the heat ... -
Numerical and experimental investigations into protection net icing at the helicopter engine inlet
Tang, Jincheng; Xie, Yongqi; Zhu, Jianqin; Wang, Xianwei; Liu, Siyuan; Yu, Jianzu; Wu, Hongwei (2021-11-30)The ice shapes of the protection net at different times are firstly simulated by a 2D icing calculation, then the porous media parameters are calculated based on the 2D ice shapes. Afterwards, a three-dimensional (3D) flow ... -
Performance analysis of acceleration effect on paraffin melting in finned copper foam
Tang, Jincheng; Xie, Yongqi; Chang, Shinan; Yan, Zhenrong; Wu, Hongwei; Zhang, Hongxing (2022-02-05)Phase change material (PCM) has great potential in thermal control of aircraft electronic components because of their excellent latent heat capacity. In the current work, a finned copper foam phase change energy storage ... -
Performance investigation of a loop heat pipe integrated with thermoelectric cooler under acceleration field
Fang, Zhen; Xie, Yongqi; Xu, Yanmeng; Wu, Hongwei; Zhang, Hongxing; Han, Longzhu (2021-06-26)This paper presents an experimental investigation on a novel dual compensation chamber loop heat pipe (DCCLHP) integrated with thermoelectric cooler (TEC) for improving the overall performance under various acceleration ... -
Prediction of steady-state two-phase flow of nitrogen + extinguishant in the pipeline and a correlation for mass flow rate
Liu, Siyuan; Xie, Yongqi; Chen, Mendong; Rawska, Joanna; Wu, Hongwei; Yu, Jianzu (2021-04-27)Nitrogen used for pressurization of a fire extinguisher could be partially dissolved in the fire extinguishing agent, forming a binary mixture accompanied by a phase change while flowing inside the pipeline. Notwithstanding ... -
Prediction of the release process of the nitrogen-extinguishant binary mixture considering surface tension
Liu, Siyuan; Xie, Yongqi; Chen, Mengdong; Zhu, Jianqin; Day, Rodney; Wu, Hongwei; Yu, Jianzu (2020-07-21)Nitrogen used for pressurization in the extinguisher can be partially dissolved in the fire extinguishing agent. Consequently, the evolution of the dissolved nitrogen has a significant effect on the release behavior of the ... -
Temperature oscillation of a dual compensation chamber loop heat pipe under acceleration conditions
Lv, Xiaochen; Xie, Yongqi; Zhang, Hongxing; Xu, Yanmeng; Wu, Hongwei; Day, Rodney; Ren, Jianwei (2021-11-01)Loop heat pipe has a wide application in the fields of airborne electronics cooling and thermal management. However, the pertinent temperature oscillation of the loop heat pipe could lead to adverse effects on the electronics. ... -
Visualization study on operating performance of a dual compensation chamber loop heat pipe under acceleration condition
Xie, Yongqi; Fang, Zhen; Zhang, Hongxing; Wu, Hongwei; Liu, Siyuan (2022-11-25)In this article, a novel visual dual compensation chamber loop heat pipe (DCCLHP) under acceleration conditions was experimentally investigated. The working fluid was deionized water and the wick material was sintered ... -
Visualized experimental study on steady-state performance of a loop heat pipe under elevated acceleration fields
Xie, Yongqi; Pu, Wenxuan; Liu, Siyuan; Wu, Hongwei; Fang, Zhen (2023-11-10)In this article, an experimental investigation was carried out to explore the steady-state operational behavior of a newly designed nickel-water dual compensation chamber loop heat pipe (DCCLHP) under elevated acceleration ...