نتایج جستجو برای: field simulation

تعداد نتایج: 1292276  

Seismic inversion is a method that extracts acoustic impedance data from the seismic traces. Source wavelets are band-limited, and thus seismic traces do not contain low and high frequency information. Therefore, there is a serious problem when the deterministic seismic inversion is applied to real data and the result of deterministic inversion is smooth. Low frequency component is obtained fro...

ژورنال: سنجش و ایمنی پرتو 2018

Monte Carlo method is the most accurate method for simulation of radiation therapy equipment. The linear accelerators (linac) are currently the most widely used machines in radiation therapy centers. Monte Carlo modeling of the Siemens Primus linear accelerator in 6 MeV beams was used. Square field size of 10 × 10 cm2 produced by the jaws was compared with TLD. Head simulation of Siemens accele...

The turbulent flow field generated in a baffled stirred tank was computed by large eddy simulation (LED) and the flow field was developed using the Sliding Mesh (SM) approach. In this CFD study, mixing times and power number have been determined for a vessel agitated by a 6-blade Rushton turbine. The predicted results were compared with the published experimental data. The satisfactory results ...

Electrical Arc Furnace (EAF) consumes time-varying power. This causes mechanical torque variations in nearby small scale synchronous generators (SSSGs) and reduces their life expectancy. In this paper, an appropriate EAF model is provided and is verified by field measurements. Moreover, an actual distribution system to which an SSSG is connected to supply industrial loads including an EAF is in...

ژورنال: مهندسی دریا 2023

The Persian Gulf is an important region in the world regarding energy supply, transportation, shipping, and military missions. Therefore, studying the annual circulation of water current in the Persian Gulf is very important for marine experts. In the present study, the simulation of current circulation in the Persian Gulf has been studied using ROMS numerical model and field observations. The ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز 1390

بارزسازی واحدهای سنگ شناختی گنبد نمکی جهانی (فیروزآباد)، با استفاده از دستگاه طیف سنج (field spec3) با تاکید بر اهمیت اقتصادی آنها

Ali Shabestani Monfared, Mohammad Davoudi Mohammad Rahgoshay

Introduction: Monte Carlo calculation method is considered to be the most accurate method for dose calculation in radiotherapy. The purpose of this research is comparison between 6 MV Primus LINAC simulation output with commissioning data using EGSnrc and build a Monte Carlo geometry of 6 MV Primus LINAC as realistically as possible. The BEAMnrc and DOSXYZnrc (EGSnrc package) M...

Journal: :Fuel 2023

The reduction of nitrogen oxides (NOx) is a perennial challenge for fuel combustion. Electric field enhanced combustion promising technology to decrease NOx emissions during the process. This study aims investigate effects electric on fuel-NOx formation pyridine (the main nitrogen-containing compounds in fossil fuels) yields products (NO, NO2, N2, CO and CO2) are investigated oxidation with ext...

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