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On the Dynamics of a Nutation Ring D...

Luna, Adrian,

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On the Dynamics of a Nutation Ring Damper /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	On the Dynamics of a Nutation Ring Damper // Adrian Luna.
作者:	Luna, Adrian,
面頁冊數:	1 electronic resource (86 pages)
附註:	Source: Masters Abstracts International, Volume: 86-02.
Contained By:	Masters Abstracts International86-02.
標題:	Aerospace engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31481770
ISBN:	9798384028123

On the Dynamics of a Nutation Ring Damper /
Luna, Adrian,

On the Dynamics of a Nutation Ring Damper /Adrian Luna. - 1 electronic resource (86 pages)

Source: Masters Abstracts International, Volume: 86-02.

Nutation triggered by external disturbances is an undesirable phenomenon for a spinning satellite. Passive decay in nutation angle must be achieved in such cases and benefits missions involving spin-stabilized satellites or mass-constrained satellites like CubeSats. Motivated by previous work of other authors, the dynamics of a general precessing satellite with an attached ring containing a viscous fluid is analyzed in a theoretical mechanics framework. The fluid in the ring is modeled as a rigid point mass and is then extended to a distributed rigid slug. The nonlinear equations of motion of the system, under the assumption of zero external torques, are studied in a body-fixed frame. Equilibrium points and system trajectories are studied on the angular momentum sphere. The settling time of the dynamical system after an initial disturbance is investigated. The energy dissipation is modeled using an approximate drag coefficient. Fluid dynamic effects are further examined using the Bhuta-Koval exact solution for the viscous parallel flow in a fully-filled pipe and, finally, through a CFD study using the open-source software package ANSYS Fluent. Applications of the analysis and simulations to CubeSats are discussed.

English

ISBN: 9798384028123Subjects--Topical Terms:

1002622
Aerospace engineering.
Subjects--Index Terms:

CFD

On the Dynamics of a Nutation Ring Damper /
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500 $a Advisors: Shashikanth, Banavara Committee members: Haghshenas-Jaryani, Mahdi; Barany, Ernest.
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520 $a Nutation triggered by external disturbances is an undesirable phenomenon for a spinning satellite. Passive decay in nutation angle must be achieved in such cases and benefits missions involving spin-stabilized satellites or mass-constrained satellites like CubeSats. Motivated by previous work of other authors, the dynamics of a general precessing satellite with an attached ring containing a viscous fluid is analyzed in a theoretical mechanics framework. The fluid in the ring is modeled as a rigid point mass and is then extended to a distributed rigid slug. The nonlinear equations of motion of the system, under the assumption of zero external torques, are studied in a body-fixed frame. Equilibrium points and system trajectories are studied on the angular momentum sphere. The settling time of the dynamical system after an initial disturbance is investigated. The energy dissipation is modeled using an approximate drag coefficient. Fluid dynamic effects are further examined using the Bhuta-Koval exact solution for the viscous parallel flow in a fully-filled pipe and, finally, through a CFD study using the open-source software package ANSYS Fluent. Applications of the analysis and simulations to CubeSats are discussed.
546 $a English
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650 4 $a Fluid mechanics. $3 528155
650 4 $a Physics. $3 516296
650 4 $a Systems science. $3 3168411
653 $a CFD
653 $a Dynamics
653 $a Nutation
653 $a Satellite
653 $a CubeSats
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710 2 $a New Mexico State University. $b Mechanical and Aerospace Engineering. $e degree granting institution. $3 3829991
720 1 $a Shashikanth, Banavara $e degree supervisor.
773 0 $t Masters Abstracts International $g 86-02.
790 $a 0143
791 $a M.S.
792 $a 2024
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