Effect of rotor misalignment on stability of journal bearings with finite width

The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompr...
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Gespeichert in:

Autor*in:	Khaled M. Abdou [verfasserIn] E. Saber [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings

Übergeordnetes Werk:	In: Alexandria Engineering Journal - Elsevier, 2016, 59(2020), 5, Seite 3407-3417
Übergeordnetes Werk:	volume:59 ; year:2020 ; number:5 ; pages:3407-3417

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.aej.2020.05.020

Katalog-ID:	DOAJ062512358

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520			\|a The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases.
650		4	\|a Journal bearings
650		4	\|a Sliding element bearings
650		4	\|a Dynamic behavior of bearings
650		4	\|a Stability analysis
650		4	\|a Hydrodynamic lubrication
650		4	\|a Misalignment of journal bearings
653		0	\|a Engineering (General). Civil engineering (General)
700	0		\|a E. Saber \|e verfasserin \|4 aut
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callnumber-subject-code	TA
publishDate	2020
allfields	10.1016/j.aej.2020.05.020 doi (DE-627)DOAJ062512358 (DE-599)DOAJ7dc4033e2a0a482bbcd8419edc3b7d95 DE-627 ger DE-627 rakwb eng TA1-2040 Khaled M. Abdou verfasserin aut Effect of rotor misalignment on stability of journal bearings with finite width 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases. Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings Engineering (General). Civil engineering (General) E. Saber verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 5, Seite 3407-3417 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:5 pages:3407-3417 https://doi.org/10.1016/j.aej.2020.05.020 kostenfrei https://doaj.org/article/7dc4033e2a0a482bbcd8419edc3b7d95 kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820302349 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 5 3407-3417
spelling	10.1016/j.aej.2020.05.020 doi (DE-627)DOAJ062512358 (DE-599)DOAJ7dc4033e2a0a482bbcd8419edc3b7d95 DE-627 ger DE-627 rakwb eng TA1-2040 Khaled M. Abdou verfasserin aut Effect of rotor misalignment on stability of journal bearings with finite width 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases. Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings Engineering (General). Civil engineering (General) E. Saber verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 5, Seite 3407-3417 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:5 pages:3407-3417 https://doi.org/10.1016/j.aej.2020.05.020 kostenfrei https://doaj.org/article/7dc4033e2a0a482bbcd8419edc3b7d95 kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820302349 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 5 3407-3417
allfields_unstemmed	10.1016/j.aej.2020.05.020 doi (DE-627)DOAJ062512358 (DE-599)DOAJ7dc4033e2a0a482bbcd8419edc3b7d95 DE-627 ger DE-627 rakwb eng TA1-2040 Khaled M. Abdou verfasserin aut Effect of rotor misalignment on stability of journal bearings with finite width 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases. Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings Engineering (General). Civil engineering (General) E. Saber verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 5, Seite 3407-3417 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:5 pages:3407-3417 https://doi.org/10.1016/j.aej.2020.05.020 kostenfrei https://doaj.org/article/7dc4033e2a0a482bbcd8419edc3b7d95 kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820302349 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 5 3407-3417
allfieldsGer	10.1016/j.aej.2020.05.020 doi (DE-627)DOAJ062512358 (DE-599)DOAJ7dc4033e2a0a482bbcd8419edc3b7d95 DE-627 ger DE-627 rakwb eng TA1-2040 Khaled M. Abdou verfasserin aut Effect of rotor misalignment on stability of journal bearings with finite width 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases. Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings Engineering (General). Civil engineering (General) E. Saber verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 5, Seite 3407-3417 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:5 pages:3407-3417 https://doi.org/10.1016/j.aej.2020.05.020 kostenfrei https://doaj.org/article/7dc4033e2a0a482bbcd8419edc3b7d95 kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820302349 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 5 3407-3417
allfieldsSound	10.1016/j.aej.2020.05.020 doi (DE-627)DOAJ062512358 (DE-599)DOAJ7dc4033e2a0a482bbcd8419edc3b7d95 DE-627 ger DE-627 rakwb eng TA1-2040 Khaled M. Abdou verfasserin aut Effect of rotor misalignment on stability of journal bearings with finite width 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases. Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings Engineering (General). Civil engineering (General) E. Saber verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 5, Seite 3407-3417 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:5 pages:3407-3417 https://doi.org/10.1016/j.aej.2020.05.020 kostenfrei https://doaj.org/article/7dc4033e2a0a482bbcd8419edc3b7d95 kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820302349 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 5 3407-3417
language	English
source	In Alexandria Engineering Journal 59(2020), 5, Seite 3407-3417 volume:59 year:2020 number:5 pages:3407-3417
sourceStr	In Alexandria Engineering Journal 59(2020), 5, Seite 3407-3417 volume:59 year:2020 number:5 pages:3407-3417
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings Engineering (General). Civil engineering (General)
isfreeaccess_bool	true
container_title	Alexandria Engineering Journal
authorswithroles_txt_mv	Khaled M. Abdou @@aut@@ E. Saber @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	669887609
id	DOAJ062512358
language_de	englisch
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Abdou</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Effect of rotor misalignment on stability of journal bearings with finite width</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2020</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. 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callnumber-first	T - Technology
author	Khaled M. Abdou
spellingShingle	Khaled M. Abdou misc TA1-2040 misc Journal bearings misc Sliding element bearings misc Dynamic behavior of bearings misc Stability analysis misc Hydrodynamic lubrication misc Misalignment of journal bearings misc Engineering (General). Civil engineering (General) Effect of rotor misalignment on stability of journal bearings with finite width
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topic_title	TA1-2040 Effect of rotor misalignment on stability of journal bearings with finite width Journal bearings Sliding element bearings Dynamic behavior of bearings Stability analysis Hydrodynamic lubrication Misalignment of journal bearings
topic	misc TA1-2040 misc Journal bearings misc Sliding element bearings misc Dynamic behavior of bearings misc Stability analysis misc Hydrodynamic lubrication misc Misalignment of journal bearings misc Engineering (General). Civil engineering (General)
topic_unstemmed	misc TA1-2040 misc Journal bearings misc Sliding element bearings misc Dynamic behavior of bearings misc Stability analysis misc Hydrodynamic lubrication misc Misalignment of journal bearings misc Engineering (General). Civil engineering (General)
topic_browse	misc TA1-2040 misc Journal bearings misc Sliding element bearings misc Dynamic behavior of bearings misc Stability analysis misc Hydrodynamic lubrication misc Misalignment of journal bearings misc Engineering (General). Civil engineering (General)
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title	Effect of rotor misalignment on stability of journal bearings with finite width
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title_full	Effect of rotor misalignment on stability of journal bearings with finite width
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author-letter	Khaled M. Abdou
doi_str_mv	10.1016/j.aej.2020.05.020
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title_sort	effect of rotor misalignment on stability of journal bearings with finite width
callnumber	TA1-2040
title_auth	Effect of rotor misalignment on stability of journal bearings with finite width
abstract	The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases.
abstractGer	The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases.
abstract_unstemmed	The present work studies the dynamic response of fluid film bearing of finite length which is subjected to rotor misalignment. Vibration analysis of the rotor is used to obtain the limits of stability at different operating conditions. The lubricant flow in the bearing is considered laminar, incompressible and isoviscous. For a given small excitation of the bearing shaft, a time dependent Reynolds equation is introduced to investigate the dynamic response of the fluid film bearing. At a misalignment direction angle and misalignment degree, nonlinear perturbation dynamic equations are introduced and solved to determine the critical stability limit of motion for different values of eccentricity ratio. Vibration data is collected to obtain the transition from stable to unstable operating conditions (stability map). It is concluded here that increasing the value of misalignment degree yields to an increase in the value of critical bearing stability limit for a given value of misalignment direction angle. The critical stability number increases as the misalignment direction angle decreases and/or the steady state eccentricity ratio increases.
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title_short	Effect of rotor misalignment on stability of journal bearings with finite width
url	https://doi.org/10.1016/j.aej.2020.05.020 https://doaj.org/article/7dc4033e2a0a482bbcd8419edc3b7d95 http://www.sciencedirect.com/science/article/pii/S1110016820302349 https://doaj.org/toc/1110-0168
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up_date	2024-07-04T01:56:10.963Z
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Effect of rotor misalignment on stability of journal bearings with finite width

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Vorhandene Bände

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