نتایج جستجو برای: numerical prediction models
تعداد نتایج: 1386033 فیلتر نتایج به سال:
In the thermal spectral range, there are millions of individual absorption lines water vapor, CO2, and other trace gases. Radiative transfer calculations wavelength-integrated quantities, such as irradiance heating rate, computationally expensive, requiring a high resolution for accurate numerical weather prediction climate modeling. This paper introduces method that could highly reduce cost in...
A numerical simulation of reactive swirling methane/air non-premixed flame in a new three-dimensional model combustion chamber is carried out to assess the performance of two thermal radiation models, namely, the Discrete Transfer Radiation Model and the P-1 Model. A Finite Volume staggered grid approach is employed to solve the governing equations.The second-order upwind scheme is applied for...
Complex numerical weather prediction models incorporate a variety of physical processes, each described by multiple alternative schemes with specific parameters. The selection the and choice corresponding parameters during model configuration can significantly impact accuracy forecasts. There is no combination that works best for all times, at locations, under conditions. It therefore considera...
This paper presents a new blending approach to applying large-scale correction the initial condition in limited-area numerical weather prediction (NWP) model. The combines implementation benefits of known approaches and shows significant improvement forecast quality when implemented tropical NWP Sensitivity studies indicate that many improvements come from horizontal winds alone. Adding tempera...
subsea structures such as manifolds, line pipes and flow lines are important investments. also because of the sensitivity of environmental issues, corrosion of these structures is of vital importance. subsea corrosion management is different from on-shore and shallow water off-shore corrosion management in mainly three factors: materials, corrosion management practice and cathodic protection. t...
Interval prediction can be more useful than single value prediction in many continuous data streams. This paper introduces a novel Interval Prediction Tree IP3 algorithm for interval prediction of numerical target variables from temporal mean-variance aggregated continuous data. This algorithm characterized by: processing incoming mean-variance aggregated multivariate temporal data, splitting e...
more recently, titanium and aluminum alloys are gaining more interests to be implemented in hydro-forming applications. it is necessary to predict forming limits for these sheet alloys. forming limits play an important role in metal forming processes. forming limit diagrams, present the limit strains for various linear strain paths. in other hand, forming limit curve (flc), illustrates localize...
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