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Cong Sun, Chunyu Guo, Chao Wang, Lianzhou Wang and Jianfeng Lin
The interactions between the main hull and demi-hull of trimarans have been arousing increasing attention, and detailed circumferential flow fields greatly influence trimaran research. In this research, the unsteady wake flow field of a trimaran was obta...
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Shiyan Lin, Ruiyu Li, Limin Gao and Ning Ge
The accurate prediction of tip leakage flow is the premise for flow mechanism analysis and compressor performance optimization. The detached eddy simulation (DES) method, which compromises cost and accuracy, has excellent potential for a high Reynolds fl...
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Pradeep Kumar Pavalavanni, Min-Seon Jo, Jae-Eun Kim and Jeong-Yeol Choi
An unstable shock-induced combustion (SIC) case around a hemispherical projectile has been numerically studied which experimentally produced a regular oscillation. Comparison of detailed H2/O2 reaction mechanisms is made for the numerical simulation of S...
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Fabio Licheri, Tiziano Ghisu, Francesco Cambuli and Pierpaolo Puddu
An experimental investigation of the local flow field in a Wells turbine has been conducted, in order to produce a detailed analysis of the aerodynamic characteristics of the rotor and support the search for optimized solutions. The measurements were con...
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Yinbo Mao, Ziyu Chen, Hui Li, Xinrong Su and Xin Yuan
This paper presents a novel theory regarding the blade loading and the passage flow field within general turbomachineries. The basic philosophy is to establish an analytical relation between the loading, the flow angle, and the blade geometry based on th...
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Bogdan C. Cernat and Sergio Lavagnoli
The present research focused on the analysis of the leakage flows developing from advanced blade tip geometries. The aerodynamic field of a contoured blade tip and of a high-performance rimmed blade were investigated against a baseline squealer rotor. Ti...
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Ahn Soonmyoung, Sim Miyoung, Go Jongsik, Kim Kamlae, Choi Yunsoo
Pág. 180 - 188
Recently, flow of spatial geographical information field is showing a tendency of being gradually extended from outside space to indoor one and evolved rapidly by grafting with latest IT/mobile technology. Build-up of indoor spatial information is at its...
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Pericles Panagiotou, George Ioannidis, Ioannis Tzivinikos and Kyros Yakinthos
An experimental investigation of the wake of an Unmanned Aerial Vehicle (UAV) model using flow visualization techniques and a 3D Laser Doppler Anemometry (LDA) system is presented in this work. Emphasis is given on the flow field at the wingtip and the i...
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Pericles Panagiotou, George Ioannidis, Ioannis Tzivinikos and Kyros Yakinthos
An experimental investigation of the wake of an Unmanned Aerial Vehicle (UAV) model using flow visualization techniques and a 3D Laser Doppler Anemometry (LDA) system is presented in this work. Emphasis is given on the flow field at the wingtip and the i...
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Wenxiong Xi, Hui Xu, Tianyang Dong, Zhiyong Lin and Jian Liu
To improve the flame propagation, combustion stability, and uniformity of the temperature field, multi-position injection is applied in a dual-mode combustor by controlling heat release in different locations. Using the chemical reaction of the finite ra...
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Arman Ameen, Haruna Yamasawa and Tomohiro Kobayashi
The corner impinging jet ventilation is a new air distribution system for use in office environments. This study reports the mean flow field behavior of dual isothermal corner-placed inlets based on an impinging jet in a square-shaped room with the size ...
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Yuezhao Tang, Yang Wang, Enjin Zhao, Jiaji Yi, Kecong Feng, Hongbin Wang and Wanhu Wang
As a coastal trading city in China, Shantou has complex terrain and changeable sea conditions in its coastal waters. In order to better protect the coastal engineering and social property along the coast, based on the numerical simulation method, this pa...
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Han Li, Qiaogao Huang, Guang Pan, Xinguo Dong and Fuzheng Li
Reducing the noise of the underwater propulsor is gaining more and more attention in the marine industry. The pump-jet propulsor (PJP) is an extraordinary innovation in marine propulsion applications. This paper inspects the effects of blade number on a ...
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Daniel B. Bung and Daniel Valero
As with most high-velocity free-surface flows, stepped spillway flows become self-aerated when the drop height exceeds a critical value. Due to the step-induced macro-roughness, the flow field becomes more turbulent than on a similar smooth-invert chute....
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Zinon Vlahostergios
In the current work a detailed investigation and a performance assessment of two eddy viscosity and two Reynolds stress turbulence models for modelling the transitional flow on a double circular arc (DCA) compressor blade is presented. The investigation ...
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Zinon Vlahostergios
In the current work a detailed investigation and a performance assessment of two eddy viscosity and two Reynolds stress turbulence models for modelling the transitional flow on a double circular arc (DCA) compressor blade is presented. The investigation ...
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Chenyu Liu, Changchuan Xie, Yang Meng and Liuyue Bai
Due to the maneuver and overload requirements of aircraft, it is inevitable that supersonic fins experience high angles of attack (AOAs) and viscous effects at high altitudes. The local piston theory with viscous correction (VLPT) is introduced and modif...
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Alex Zanotti
Side-by-side propellers characterise the architecture of most new electric aircraft (eVTOLs) designed in recent years for urban air mobility. The aerodynamic interaction between side-by-side propellers represents one of the key phenomena that characteris...
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Leiye Wu, Wei Cheng and Zhehao Zhu
Seabed soil may experience a reduction in strength or even liquefaction when subjected to cyclic loadings exerted by offshore structures and environmental loadings such as ocean waves and earthquakes. A reasonable and robust constitutive soil model is in...
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Kaidong Tao, Xueqian Zhou and Huilong Ren
Due to the convenience and flexibility in modeling complex geometries and deformable objects, local ghost particles methods are becoming more and more popular. In the present study, a novel local semi-fixed ghost particles method is proposed for weakly c...
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