نتایج جستجو برای: drift flux model
تعداد نتایج: 2192892 فیلتر نتایج به سال:
کار تئوری و محاسباتی ارائه شده در اینجا در ارتباط با به کار گرفتن و بسط و توسعه یک مدل کامپیوتری جهت بررسی و مطالعه فرآیندهای ایرودینامیکی و احتراقی درون یک اتاق سیلکونی با سوخت گاز طبیعی می باشد. برای مطالعه فرآیندها از مدلهای توربولانس ، تشعشع و احتراق پیشرفته استفاده شده است . ابتدا ایرودینامیک داخل اتاق را در حالت ایزوترمال با استفاده از دو مدل توربولانس شبیه سازی شده و نتایج با اطلاعات تجر...
A simple geometry of real pixel gas detectors has been evaluated that circumvents the limitations of a microstrips, namely aging, gain drift and flux limitation due to the dielectric charging. A good resolution has been obtained while preserving a large active size and a high gain and counting rate capabilities.
It is shown, that mechanical alignment can be efficient for suprathermally rotating grains, provided that they drift with supersonic velocities. Such a drift should be widely spread due to both Alfvénic waves and ambipolar diffusion. Moreover, if suprathermal rotation is caused by grain interaction with a radiative flux, it is shown, that mechanical alignment may be present even in the absence ...
Field measurements of spray drift are usually carried out by passive collectors and tracers. However, these methods are labour- and time-intensive and only provide point- and time-integrated measurements. Unlike these methods, the light detection and ranging (lidar) technique allows real-time measurements, obtaining information with temporal and spatial resolution. Recently, the authors have de...
Simulations of DIII-D, JET and TFTR L-mode tokamak plasmas are carried out using the PTRANSP predictive integrated modeling code. The simulation and experimental temperature profiles are compared. The time evolved temperature profiles are computed utilizing the Multi-Mode anomalous transport model version 7.1 (MMM7.1) which includes transport associated with drift-resistive-inertial ballooning ...
the main driving force of the earth atmospheric system is solar radiation. radiation flux determines the surface temperature and impacts life on the earth through photosynthesis. a quantitative knowledge of the earth radiation field is important to evaluate the atmosphere–surface interactions and the global hydrological cycle. various atmospheric radiative transfer models have been proposed in ...
We report the characteristics of a flux locked, superfluid 4He interferometer that can continuously measure time-varying rotation rates. We describe the principles underlying the interferometer, including the dynamics of a superfluid chemical potential battery used to obtain continuous operation. We also discuss noise and drift issues and their possible amelioration.
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