|
|
|
|
|
Hitoshi Tanaka, Nguyen Xuan Tinh and Ahmad Sana
According to recent investigations on bottom boundary layer development under tsunami, a wave boundary can be observed even at the water depth of 10 m, rather than a steady flow type boundary layer. Moreover, it has been surprisingly reported that the ts...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hitoshi Tanaka, Nguyen Xuan Tinh, Xiping Yu and Guangwei Liu
A theoretical and numerical study is carried out to investigate the transformation of the wave boundary layer from non-depth-limited (wave-like boundary layer) to depth-limited one (current-like boundary layer) over a smooth bottom. A long period of wave...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xia Sun, Heather A. Holmes, Olabosipo O. Osibanjo, Yun Sun and Cesunica E. Ivey
The partitioning of available energy into surface sensible and latent heat fluxes impacts the accuracy of simulated near surface temperature and humidity in numerical weather prediction models. This case study evaluates the performance of the Weather Res...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sutapa Chaudhuri,Anirban Middey
Studying the boundary layer is imperative because severe weather in this portion of the atmosphere impacts on environment and various facets of national activities and affects the socioeconomic scenario of a region. Near surface boundary layer characteri...
ver más
|
|
|
|
|
|
|
|
|
|
|
SAVITA B. MORWAL
A study has been carried out to investigate the thermodynamic characteristics of the Convective Boundary Layer (CBL) over the Bay of Bengal region. For this purpose aerological observations collected from MONSOON-77 utilizing the erstwhile USSR resear...
ver más
|
|
|
|
|
|
|
|
|
|
|
ISMAEL PÉREZ GARCÍA
A one-dimensional stable nocturnal boundary layer model of two-layers is constructed, which includes various meteorological processes: turbulence, radiation, interaction boundary layer - soil and boundary layer - synoptic flux. The model predicts the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zengliang Zang, Weiqi Wang, Xinghong Cheng, Bin Yang, Xiaobin Pan and Wei You
The aerosol optical depth (AOD) from satellites or ground-based sun photometer spectral observations has been widely used to estimate ground-level PM2.5 concentrations by regression methods. The boundary layer height (BLH) is a popular factor in the regr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Slawomir Kubacki, Daniele Simoni, Davide Lengani and Erik Dick
An algebraic intermittency model for boundary layer flow transition from laminar to turbulent state, is extended using an experimental data base on boundary layer flows with various transition types and results by large eddy simulation of transition in a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Julia Kurz, Martin Hoeger and Reinhard Niehuis
A highly loaded turbine exit guide vane with active boundary layer control was investigated experimentally in the High Speed Cascade Wind Tunnel at the University of the German Federal Armed Forces, Munich. The experiments include profile Mach number dis...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mengge Wang, Ziyun Wang, Yue Zhang, Daishu Cheng, Huijun Tan, Kun Wang and Simin Gao
A shock wave/boundary layer interaction (SWBLI) is a common phenomenon in supersonic inlet flow, which can significantly degrade the aerodynamic performance of the inlet by inducing boundary layer separation. To address this issue, in this paper, we prop...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shuang Sun, Jinhui Kang, Zhijun Lei, Zhen Huang, Haixv Si and Xiaolong Wan
The horseshoe vortex system at the leading edge of a low-pressure turbine (LPT) has unsteady flow characteristics, and the flow field in the downstream cascade channel also has unsteady characteristics. In this study, CFD simulations are performed with t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bo Yang, Hesen Yang, Chuanbiao Zhang, Ning Zhao, Hua Liang and Dongsheng Zhang
Compression corner shock wave/boundary layer interaction (SWBLI) is a typical shock wave/boundary layer interaction (SWBLI) problem in supersonic/hypersonic flows. In previous studies, the separation flow is usually caused by a single shock wave. However...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yong Wang, Kongcheng Zuo, Peng Guo, Kun Zhao and Victor Feliksovich Kopiev
Reducing the tonal noise from airfoil instabilities has attracted significant interest from the aeronautical community in the past few years. The aim of this paper is to investigate the effect of structured porous trailing edges on the tonal noise reduct...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ranran Huang, Tao Xue and Jie Wu
A two-point cylindrical-focused laser differential interferometer (2P-CFLDI) system and a conventional Z-type Schlieren were used to measure the hypersonic turbulent boundary layer on a flat plate at Mach number Ma = 6 and Reynolds number Re = 1.08 × 106...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yanxin Yin, Ruiyang Lu, Jianxin Liu and Zhangfeng Huang
Temperatures within the boundary layers of high-enthalpy hypersonic flows can soar to thousands or even tens of thousands of degrees, leading to significant real gas phenomena. Although there has been significant research on real gas effects on hypersoni...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ming Qi, Wenguo Zhu and Shu Li
The flight of a migratory bird-like flapping-wing aircraft is characterized by a low Reynolds number and unsteadiness. The selection of airfoil profiles is critical to designing an efficient flapping-wing aircraft. To choose the suitable airfoil for vari...
ver más
|
|
|
|
|
|
|
|
|
|
|
Aristia L. Philippou, Pavlos K. Zachos and David G. MacManus
High-speed air intakes often exhibit intricate flow patterns, with a specific type of flow instability known as ?buzz?, characterized by unsteady shock oscillations at the inlet. This paper presents a comprehensive review of prior research, focused on un...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fangyou Yu, Zhanbiao Gao, Qifan Zhang, Lianjie Yue and Hao Chen
Suppressing shock-induced flow separation has been a long-standing problem in the design of supersonic vehicles. To reduce the structural and design complexity of control devices, a passive control technique based on micro-serrations is proposed and its ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhiping Li, Yujiang Lu and Tianyu Pan
DPS (distributed propulsion system) utilizing BLI (boundary-layer ingestion) has shown great potential for reducing the power consumption of sustainable AAM (advanced air mobility), such as BWB (blended-wing body) aircraft. However, the ingesting boundar...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rui Wang and Guoliang Yu
In this study, the bedform dimensions of an alluvial bed in a unidirectional flow were experimentally investigated. A series of flume experiments was conducted; 700 sets of flume and field data were used in developing formulae for predicting the bedform ...
ver más
|
|
|
|
|
|