نتایج جستجو برای: melting rate
تعداد نتایج: 985300 فیلتر نتایج به سال:
In this paper neuro-fuzzy technique is used for the first time in modeling eco-friendly furnace parameters to predict the melting rate of the molten metal required to produce homogenous and quality castings. The relationship between the process variables (input) viz. flame temperature, preheat air temperature, rotational speed of the furnace dome, percentage of excess air, melting time, fuel co...
Abstract—The objective of this work was to develop a theoretical model to study the dynamic thermal behavior of a flat plate solar collector integrated with a phase change material (PCM). The PCM acted as a heat source for the solar system during low intensity solar radiation and night. The energy balance equations for the various components of the collector as well as for the PCM were formulat...
The geochemical variations of Kilauea's historical summit lavas (1790^1982) document a rapid fluctuation in the mantle source and melting history of this volcano. These lavas span nearly the entire known range of source composition for Kilauea in only 200 yr and record a factor of V2 change in the degree of partial melting. In this study, we use high-precision measurements of the U-series isoto...
The kinetics of homogeneous nucleation in superheated solid and heterogeneous melting from the open crystal surface are investigated via molecular-dynamics method. The system under consideration is superheated copper in the EAM potential model. The temperature dependence of the lifetime of superheated crystal and the rate of homogeneous nucleation are calculated according to the previously deve...
In recent years, Fluorescent Melting Curve Analysis (FMCA) has become an almost ubiquitous feature of commercial quantitative PCR (qPCR) thermal cyclers. Here a micro-fluidic device is presented capable of performing FMCA within a microchannel. The device consists of modular thermally conductive blocks which can sandwich a microfluidic substrate. Opposing ends of the blocks are held at differin...
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