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المؤلفCristancho, Diego
المؤلفMantilla, Ivan
المؤلفEjaz, Saquib
المؤلفHall, Kenneth R
المؤلفIglesias Silva, Gustavo
المؤلفAtilhan, Mert
تاريخ الإتاحة2010-01-27T18:14:24Z
تاريخ النشر2010-01-05
اسم المنشورInternational Journal of Thermophysics
الاقتباسCristancho, D. E., Mantilla, I. D., Ejaz, S., Hall, K. R., Iglesias-Silva, G. a., & Atilhan, M. (2010). Force transmission error analysis for a high-pressure single-sinker magnetic suspension densimeter. International Journal of Thermophysics, 31, 698–709
معرّف المصادر الموحدhttp://hdl.handle.net/10576/10645
معرّف المصادر الموحدhttp://dx.doi.org/10.1007/s10765-010-0702-3
الملخصThe magnetic suspension densimeter (MSD) is a sophisticated, stateof- the-art device that provides extremely accurate results for density measurements. The MSD uses a magnetic technique to couple a mass inside a measurement cell with an external mass balance for mass measurement. This article presents a force transmission error (FTE) analysis for a high-pressure, single-sinker MSD. Due to the magnetic working principle of the apparatus, magnetic properties of the high-pressure cell and external magnetic fields affect the measurements slightly. For the analysis, McLinden et al. suggest making measurements using two different sinkers, a titanium sinker and a copper sinker, having the same mass. The measurements cover densities for methane, ethane, carbon dioxide and nitrogen over the temperature range from 265K to 450K (±5 mK stability) up to 180MPa (uncertainty of 0.01% full scale: 200MPa). Comparing and manipulating the measurements permit determination of apparatus and fluid specific effects that contribute to the FTE. For this MSD, the apparatus effect is about 200 ppm, which effectively masks any fluid specific effect. A comprehensive analysis of the FTE produces a uniform deviation for density values of about 0.05% at 2σ across the full range of pressure.
اللغةen
الناشرSpringer Science and Business Media
الموضوعDensimeter
Force Transmission Error
High Pressure
Magnetic Suspension Coupling
العنوانForce Transmission Error Analysis for a High-Pressure Single-Sinker Magnetic Suspension Densimeter
النوعArticle
dc.accessType Abstract Only


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