Frontiers of Energy and Power Engineering in China

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Nucleate boiling in two types of vertical narrow channels
Frontiers of Energy and Power Engineering in China - Tập 5 - Trang 250-256 - 2010
Lei Guo, Shusheng Zhang, Lin Cheng
To explore the mechanism of boiling bubble dynamics in narrow channels, we investigate 2-mm wide Iand Z-shaped channels. The influence of wall contact angle on bubble generation and growth is studied using numerical simulation. The relationships between different channel shapes and the pressure drop are also examined, taking into account the effects of gravity, surface tension, and wall adhesion. ... hiện toàn bộ
Numerical investigation on the dryout point of annular flow in the upward narrow annuli with bilateral heating
Frontiers of Energy and Power Engineering in China - Tập 1 Số 3 - Trang 264-272 - 2007
G.H. Su, Fuyuan Duan, Suizheng Qiu, Zhenggang Xiao, Yanping Huang
Optimal r/b ratio of bend channel in centrifugal compressor
Frontiers of Energy and Power Engineering in China - Tập 2 - Trang 381-385 - 2008
Suping Wen, Xiaowen Hu, Yong Zhang, Jun Wang, Tingbin Li
A numerical investigation on the flow in a bend channel by coupling the impellerwith the vaneless diffuser in a centrifugal compressor with different r/b ratios (bend radius r to bend channel width b) is presented. The jet-wake effect of the impeller outlet is considered and flow pattern in the bend channel and the performance of the centrifugal compressor stage are investigated. The results indic... hiện toàn bộ
Flow characteristics of single-phase flow in narrow annular channels
Frontiers of Energy and Power Engineering in China - Tập 2 - Trang 466-470 - 2008
Heyi Zeng, Suizheng Qiu, Guanghui Su, Dounan Jia
The characteristics of single-phase flow in narrow annular channels were analyzed and theoretical model was proposed. Based on the present model, the theoretical calculation was performed to predict the flow characteristics for the developed flow in narrow annuli with the gap sizes of 1.0, 1.5 and 2.0 mm, respectively. The results were in good agreement with the experimental data. In addition, the... hiện toàn bộ
Spray characteristics of high-pressure swirl injector fueled with alcohol
Frontiers of Energy and Power Engineering in China - Tập 1 - Trang 105-112 - 2007
Xibin Wang, Wansheng Chen, Jian Gao, Deming Jiang, Zuohua Huang
The spray characteristics of methanol and ethanol with high-pressure swirl injector were explored experimentally and numerically. experimental results show that the spray characteristics of methanol and ethanol had displayed the same trends as that of gasoline. Under the low back-pressure ambient conditions, the spray behavior exhibited a hollow cone with wide spray angle and initial spray slug at... hiện toàn bộ
Review of aeroelasticity for wind turbine: Current status, research focus and future perspectives
Frontiers of Energy and Power Engineering in China - Tập 5 - Trang 419-434 - 2011
Pinting Zhang, Shuhong Huang
Aeroelasticity has become a critical issue for Multi-Megawatt wind turbine due to the longer and more flexible blade. In this paper, the development of aeroelasticity and aeroelastic codes for wind turbine is reviewed and the aeroelastic models for wind turbine blade are described, based on which, the current research focuses for large scale wind turbine are discussed, including instability proble... hiện toàn bộ
Nghiên cứu đặc điểm khởi lửa điện và hiện tượng vi bùng nổ của giọt propellant đơn dựa trên HAN Dịch bởi AI
Frontiers of Energy and Power Engineering in China - Tập 4 - Trang 430-435 - 2010
Yonggang Yu, Ming Li, Yanhuang Zhou, Xin Lu, Yuzhu Pan
Để nghiên cứu các đặc điểm khởi lửa điện của propellant lỏng dựa trên hydroxylammonium nitrate (HAN), một thiết bị thí nghiệm cho việc khởi lửa bằng nhiệt điện của một giọt propellant lỏng đã được thiết kế. Bằng cách sử dụng hệ thống camera tốc độ cao, các tính chất khởi lửa của giọt LP1846 đơn lẻ đã được quan sát ở các tốc độ gia nhiệt điện khác nhau. Kết quả cho thấy rằng khi giọt LP1846 được đi... hiện toàn bộ
Modeling and simulation analysis on parallel hybrid air-fuel vehicle
Frontiers of Energy and Power Engineering in China - - 2010
Pinglu Chen, Xiaoli Yu, Xiaobing Nie, Yidong Fang
Thermo-fluidic devices and materials inspired from mass and energy transport phenomena in biological system
Frontiers of Energy and Power Engineering in China - - 2009
Jianhua Xiao, Jing Liu
Natural convection heat transfer of water in a horizontal circular gap
Frontiers of Energy and Power Engineering in China - Tập 1 - Trang 167-173 - 2007
Guanghui Su, Sugiyama Kenichiro, Yingwei Wu
An experimental study on the natural convection heat transfer on a horizontal downward facing heated surface in a water gap was carried out under atmospheric pressure conditions. A total of 700 experimental data points were correlated using Rayleigh versus Nusselt number in various forms, based on different independent variables. The effects of different characteristic lengths and film temperature... hiện toàn bộ
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