نتایج جستجو برای: cyclone aila

تعداد نتایج: 5700  

One of the main concerns of researchers is the separation of suspended particles in a fluid. Accordingly, the current study numerically investigated the effects of a conical section on the flow pattern of a Stairmand cyclone by simulating single-cone and dual-cone cyclones. A turbulence model was used to analyze incompressible gas-particle flow in the cyclone models, and the Eulerian–Lagrangian...

Journal: :Remote Sensing 2014
Robinson I. Negrón Juárez Jeffrey Q. Chambers George C. Hurtt Bachir Annane Stephen Cocke Mark Powell Michael Stott Stephen Goosem Daniel J. Metcalfe Sassan Saatchi

Topography affects the patterns of forest disturbance produced by tropical cyclones. It determines the degree of exposure of a surface and can alter wind characteristics. Whether multispectral remote sensing data can sense the effect of topography on disturbance is a question that deserves attention given the multi-scale spatial coverage of these data and the projected increase in intensity of ...

2006
S. K. Dube A D Rao

s: Thematic Session –Cyclone and Tsunami THEMATIC SESSION B4 CYCLONE AND TSUNAMI Chairperson: Prof. S. K. Dube Director, Indian Institute of Technology, Kharagpur

Abdulrahman Bahrami, Farshid Ghorbani-Shahna, Mohsen Goodarzi, Zahra Tarin,

Introduction: Generally, geometrical parameters of the cyclone have a profound effect on determining its performance. The air outlet (Vortex Finder) as one of the cyclone’s components has a significant impact on the cyclone’s internal flow pattern, pressure drop and even dust removal efficiency. Material and Methods: Two different air outlets were designed in order to be easily installed and r...

2013
Björn Kriesche Helga Weindl Volker Schmidt

We consider a spatial stochastic model for the simulation of tropical cyclone tracks, which has recently been introduced. Cyclone tracks are represented as labeled polygonal lines, which are described by the movement directions, translational speeds, and wind speeds of the cyclones in regular six-hour intervals. In the present paper, we compare return levels for wind speeds of historically obse...

2015
Yanluan Lin Ming Zhao Minghua Zhang

Tropical cyclone rainfall rates have been projected to increase in a warmer climate. The area coverage of tropical cyclones influences their impact on human lives, yet little is known about how tropical cyclone rainfall area will change in the future. Here, using satellite data and global atmospheric model simulations, we show that tropical cyclone rainfall area is controlled primarily by its e...

2017
Miloš Grujić Bohan Yang Vladimir Rožić Ingrid Verbauwhede

True random number generators (TRNGs) are fundamental constituents of secure embedded cryptographic systems. In this paper, we introduce a general methodology for porting TRNG across different FPGA vendor families. In order to demonstrate our methodology, we applied it to the delay-chain based TRNG (DC-TRNG) on Intel Cyclone IV and Cyclone V FPGAs. We examine vendor-agnostic generality of the u...

2015
Thomas E Marler

Contributions of biologists to tropical cyclone research may improve by integrating concepts from other disciplines. Employing accumulated cyclone energy into protocols may foster greater integration of ecology and meteorology research. Considering experienced ecosystems as antifragile instead of just resilient may improve cross-referencing among ecological and social scientists. Quantifying ec...

2006
Patrick A. Harr

Over the global tropics, the Madden-Julian Oscillation (Madden and Julian 1994, MJO) explains a significant amount of the variability in circulation and convection on intraseasonal time scales. However, significant variation exists in the spatial extent and seasonal occurrence of the MJO. While the upper-level divergent flow associated with MJO is often traced around the globe, the low-level wi...

Journal: :فیزیک زمین و فضا 0
مجید مزرعه فراهانی استادیارگروه فیزیک فضا، مؤسسة ژئوفیزیک، دانشگاه تهران، ایران مرضیه احمدی دانشجوی دکتری هواشناسی، دانشکدة علوم و فنون دریایی، دانشگاه هرمزگان، ایران محمد علی ثقفی کارشناس ارشد/موسسه ژئوفیزیک، دانشگاه تهران

gonu storm was formed in tropical basin of indian ocean early in june 2007. gonu is the strongest tropical cyclone that happened in arabian sea and north indian ocean and moved toward oman sea and persian gulf and bouncing the lands around the area. this tropical cyclone made extensive damages and human and financial causalities to countries of oman, iran, afghanistan, pakistan, and india. in t...

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