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Article
Model of the Gravimeter Capacitor with Two Dielectrics
Author(s)
Prapat Mahapattanathai, Wipada Ngansom, Kanphot Thongcham and Chamnan Temmuangpuk
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DOI:10.17265/2161-6221/2013.03.006
Affiliation(s)
Faculty of Science, Ramkhamhaeng University, Bangkok 10240, Thailand
ABSTRACT
Design for gravimeter capacitor, the first model contains dielectric constant κ in partially filled with material and the second contain dielectric constant κ1 in space between the cylinder is half-filled by a semi-cylindrical. Thus, capacitance varies in accordance with the length of the device in the cylindrical conductor or when the length of the device in the cylindrical capacitor varies in accordance with at various test locations. It can easily be shown that a change in height of approximately 1 m results in a change in the gravitational acceleration of Δg = -0.0031 cm/s2 whereas the value of the gravitational acceleration at Ramkhamhaeng university Bangkok, Thailand used as the reference point was equal to 978.310 cm/s2.
KEYWORDS
Gravimeter capacitor, electrostatic gravimeter, cylindrical capacitor.
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