نتایج جستجو برای: مدل sst k w
تعداد نتایج: 672271 فیلتر نتایج به سال:
Ship and satellite observations taken over the last thirty years show that mesoscale patterns of sea surface temperature (SST) in the California Current System are consistently found throughout the year and usually occur in approximately the same geographical locations. Typically, these patterns are more pronounced in fall/winter than in spring/summer. The temporal and spatial characteristics o...
The objective of this paper is the numerical study of the flow through an axial fan and examining the effects of blade design parameters on the performance of the fan. The axial fan is extensively used for cooling of the electronic devices and servers. Simulation of the three-dimensional incompressible turbulent flow was conducted by numerical solution of the (RANS) equations for a model. The S...
A statistical analysis of Baltic Sea upwelling has been carried out to cover, for the first time, the entire sea area for the period 1990–2009. Weekly composite SST maps based on NOAA/AVHRR satellite data were used to evaluate the location and frequency of upwelling. The results obtained were analysed and compared with earlier studies with excellent agreement. Our study enables the most intense...
The influence of oceanic changes on tropical cyclone activity is investigated using observational estimates of sea surface temperature (SST), air–sea fluxes, and ocean subsurface thermal structure during the period 1998– 2007. SST conditions are examined before, during, and after the passage of tropical cyclones, through Lagrangian composites along cyclone tracks across all ocean basins, with p...
دو پارامتر اساسی، عدد فرود و میزان ضریب گاز دمشی در تشکیل اَبَرکاواک دمشی بسیار مؤثر می باشند. هدف از ارائه این مقاله بررسی عددی رفتارِ متفاوت برون روی گاز دمشی در ساختار اَبَرکاواک دمشی است، که با نتایج تجربی مقایسه می گردد. شبیه سازی عددی با استفاده از نرم افزار فلوئنت، مدل مخلوط همگن با احتساب سرعت لغزشی برای هر فاز، و مدل اغتشاش ترکیبی(des) با در نظر گرفتن نیروی جاذبه انجام پذیرفت. نتایج نشان می...
BACKGROUND An offsite satellite clinic of the University of Chicago Medical Center (UCMC) requested an investigation by the Clinical Chemistry Laboratory (CCL) into several cases of possible falsely elevated potassium (K⁺) values in their patients. Bloods for K⁺ and chemistry profiles are routinely collected in mint-green, heparinized plasma separator tubes (PST), centrifuged, and transported b...
شبیه سازی جریان اطراف پروانه یک مسئله پیچیده سیالاتی می باشد خصوصاً وقتی پروانه در نزدیک سطح آزاد باشد. در این تحقیق، اثر عمق غوطه وری، سرعت پیش روی و پدیده تهویه روی عملکرد یک پروانه سری بی-وگنینگن در نزدیک سطح بصورت عددی بررسی شده است. بدین منظور از نرم افزار تجاری انسیس- فلوئنت برای حل میدان جریان سیال لزج، تراکم ناپذیر و دوفازی استفاده شده است. چرخش پروانه برای جریان دایمی بوسیله مدل دستگاه ...
This paper presents 2-D finite volume method for computation of viscous drag based on Reynolds-averaged Navier-Stokes (RANS) equations. Computations are performed on bare submarine hull DREA and six axisymmetric bodies of revolution with a number of length-diameter (L/D) ratios ranging from 4 to 10. Both structured and unstructured grids are used to discretize the domain around the bodies. Diff...
Recent observations from a satellite-based, microwave SST sensor reveal daily to weekly variation in SST (up to 3 C), which had not been seen with infrared composite measurements. During the winter, Dr. Brian Ward was in the Indian Sea on the French vessel R/V Suroît as part of the CIRENE program. He is using the Air-Sea Interaction Pro-fi ler (ASIP) which he recently designed and constructed. ...
Abstract A new concept design Catamaran Decommissioning Unit has been developed by Research Center for Hydrodynamics Technology Indonesia. The catamaran a unique shape, however in order to achieve resilient and sustainable the decommissioning unit as it resistance analysis both model testing numerical calculation must be conducted. value from needs validated with results towing tank. of scaling...
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