نتایج جستجو برای: dimensional cloud model explicit time

تعداد نتایج: 3969203  

ژورنال: مهندسی دریا 2006
راد, منوچهر, فیروزآبادی, بهار, موسوی حکمتی, ، سید محمدرضا,

In this paper, the spreading of three-dimensional, turbulent and unsteady inclined turbidity currents has been investigated. The experimental results were normalized in the form of non-dimensional plots and then a theoretical model was developed. The current width, b, and the relative situation of the tip of the nose of turbidity current, x, are normalized with respect to the buoyancy length sc...

2005
Miao Wang Yi-Hsing Tseng

Abstract: LIDAR, or laser scanning, is capable of collecting accurate 3D coordinates of scanned points densely and sub-randomly distributed on scanned object surfaces. The huge amount of 3D points implies abundant recessive spatial information which can be turned into dominant information through various data processing methods. To explore valuable spatial information from LIDAR data automatica...

2012
Wendpanga Francis Ouedraogo Frédérique Biennier Parisa Ghodous

The development of collaborative service ecosystem relies mostly on software services spanning multiple organisations in order to provide agile support for business applications. By moving part of their information system on Cloud infrastructure, companies take advantage of new Business models and scalable environments, increasing IT productivity while reducing IS management costs. Nevertheless...

Based on symbolic manipulation program Maple and using Riccati equation mapping method several explicit exact solutions including kink, soliton-like, periodic and rational solutions are obtained for (2+1)-dimensional variable coefficient Broer-Kaup system in quite a straightforward manner. The known solutions of Riccati equation are used to construct new solutions for variable coefficient Broer...

2006
T. W. CHOULARTON A. J. ILLINGWORTH

Simulations with the Explicit Microphysics Model (EMM) of a case of lightly precipitating, glaciated stratiform cloud are presented. This frontal cloud was observed by the UK Met OfŽ ce C-130 aircraft and the dual-polarization radar at Chilbolton in southern England. The Hallett–Mossop (H-M) process was found to cause extremely high number concentrations of crystal columns of up to almost 1000 ...

Journal: :فیزیک زمین و فضا 0
محمد حسین شوشتری کارشناس ارشد هواشناسی، گروه فیزیک فضا، مؤسسه ژئوفیزیک دانشگاه تهران، ایران فائزه ناجی کارشناس ارشد هواشناسی، گروه فیزیک فضا، مؤسسه ژئوفیزیک دانشگاه تهران، ایران عباسعلی علی اکبری بیدختی استاد، گروه فیزیک فضا، مؤسسه ژئوفیزیک دانشگاه تهران، ایران

aerosol formation due to ions in the atmosphere is not well understood, although it seems to play an important role in cloud formation. the ions in the atmosphere can enhance cloud formation and can increase nucleation as well as impeding the evaporation from the surfaces of the droplets. recently there has been some experimental work to find the relation between ions concentrations and cloud i...

Journal: :فیزیک زمین و فضا 0
مریم قرایلو مؤسسه ژئوفیزیک دانشگاه تهران- دانشجوی دکتری مجید مزرعه فراهانی مؤسسه ژئوفیزیک دانشگاه تهران- استادیار عباسعلی علی اکبری بیدختی مؤسسه ژئوفیزیک دانشگاه تهران- استاد

cumulus convection, as a meso-scale phenomenon, results in the release of latent heat and vertical drift of energy that by part could affect the large scale field of energy, humidity, and momentum of the atmosphere. since the current numerical models are unable to resolve the singular cumulus convective clouds that are important from a meteorological point of view, it is used to apply some sort...

Trust Establishment is one of the significant resources to enhance the scalability and reliability of resources in the cloud environment. To establish a novel trust model on SaaS (Software as a Service) cloud resources and to optimize the resource utilization of multiple user requests, an integrated software trust estimator with multi-user resource competence (IST-MRC) optimization mechanism is...

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