A Semi-Analytical Solution to the Dynamic Tracking of Non-contacting Gas Face SealsSource: Journal of Tribology:;2002:;volume( 124 ):;issue: 001::page 196Author:Bo Ruan
DOI: 10.1115/1.1398292Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The gas film stiffness and damping coefficients for a non-contacting gas face seal are obtained from the unsteady nonlinear Reynolds equation using the perturbation method. The seal assembly is converted to an equivalent spring-damper-mass system. The stator tracking motion is treated as a forced vibration caused by the rotor motion due to its runout and misalignment. The seal steady-state dynamic responses are solved semianalytically. Results for a typical spiral groove gas face seal agree well with that from a full numerical simulation. Stability of the seal axial pulsating and conical whirl are examined using the frequency dependent dynamic force and moment coefficients.
keyword(s): Force , Motion , Dampers , Damping , Rotors , Stators , Steady state , Stiffness , Equations , Stability , Computer simulation , Vibration , Dynamic response , Springs , Whirls , Equations of motion AND Manufacturing ,
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| contributor author | Bo Ruan | |
| date accessioned | 2017-05-09T00:08:51Z | |
| date available | 2017-05-09T00:08:51Z | |
| date copyright | January, 2002 | |
| date issued | 2002 | |
| identifier issn | 0742-4787 | |
| identifier other | JOTRE9-28703#196_1.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/127579 | |
| description abstract | The gas film stiffness and damping coefficients for a non-contacting gas face seal are obtained from the unsteady nonlinear Reynolds equation using the perturbation method. The seal assembly is converted to an equivalent spring-damper-mass system. The stator tracking motion is treated as a forced vibration caused by the rotor motion due to its runout and misalignment. The seal steady-state dynamic responses are solved semianalytically. Results for a typical spiral groove gas face seal agree well with that from a full numerical simulation. Stability of the seal axial pulsating and conical whirl are examined using the frequency dependent dynamic force and moment coefficients. | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | A Semi-Analytical Solution to the Dynamic Tracking of Non-contacting Gas Face Seals | |
| type | Journal Paper | |
| journal volume | 124 | |
| journal issue | 1 | |
| journal title | Journal of Tribology | |
| identifier doi | 10.1115/1.1398292 | |
| journal fristpage | 196 | |
| journal lastpage | 202 | |
| identifier eissn | 1528-8897 | |
| keywords | Force | |
| keywords | Motion | |
| keywords | Dampers | |
| keywords | Damping | |
| keywords | Rotors | |
| keywords | Stators | |
| keywords | Steady state | |
| keywords | Stiffness | |
| keywords | Equations | |
| keywords | Stability | |
| keywords | Computer simulation | |
| keywords | Vibration | |
| keywords | Dynamic response | |
| keywords | Springs | |
| keywords | Whirls | |
| keywords | Equations of motion AND Manufacturing | |
| tree | Journal of Tribology:;2002:;volume( 124 ):;issue: 001 | |
| contenttype | Fulltext |