کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
687685 | 889343 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Experimental assessment of application of gravimetric measurements for pneumatic conveying in horizontal pipelines
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Available theoretical considerations and practical experiments usually concern aspiration in the vertical pipelines, where the procedure of making measurements is universally known and it does not express any reservations. However, it is often necessary to conduct test in the systems of horizontal conveying of solgas, where the conditions of taking a representative sample, even for the sake of the significant effect of the gravitational force, many vary from those suggested for measurements in the systems with vertical flow. The present paper contains the results of tests which determine usability of the gravimetric method in measurements of flow parameters of two-phase gas-solid mixture in a horizontal pipeline. The tests were performed in the test stand, by use the mixture of air and shale coal. Dust samples were quantitatively analyzed by means of a grain-size laser analyzer. The relative measuring error was determined and related to a change of flow parameters. Possibilities of limitation of errors of the measuring method were discussed. The main conclusion of experiment is that the gravimetric measurements in horizontal pipes can be applied only for homogeneous or quasi-homogeneous distribution of concentration and velocity of horizontal flow of solgas.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering and Processing: Process Intensification - Volume 47, Issue 4, April 2008, Pages 649-654
Journal: Chemical Engineering and Processing: Process Intensification - Volume 47, Issue 4, April 2008, Pages 649-654
نویسندگان
Tomasz Olszowski, Janusz Pospolita,