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Price, H., Lupfert, E., Kearney, D., Zarza, E., Cohen, G., Gee, R. and Mahoney, R. (2002) Advances in Parabolic Trough Solar Power Technology. Journal of Solar Energy Engineering, 124, 109-125.

has been cited by the following article:

• TITLE: Torque Free Axi-Symmetric Gyros with Changing Moments of Inertia

  AUTHORS: A. I. Ismail, Fawaz D. El-Haiby

  KEYWORDS: The Gyroscopic Motions, Moments of Inertia, Satellites, Antennas, Solar Power Collector Systems

  JOURNAL NAME: Applied Mathematics, Vol.7 No.16, October 18, 2016

  ABSTRACT: The properties and characteristics of torque free gyros with rotational symmetry and changing moments of inertia are the subject of the subsequent discussion. It shall be understood that the symmetry can be expressed by the notation (A=B)which does not presuppose geometric symmetry, where A and B are the principle moments of inertia about x and y axes respectively. We study the case of a torque free gyro upon which no external torque is acting. The equations of motion are derived when the origin of the xyz-coordinate system coincides with the gyro’s mass center c. This study is useful for the satellites, which have rotational symmetry and changed inertia moments, the antennas and the solar power collector systems.