Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact

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DONG, Xu ;YE, Jin .
Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 55, n.9, p. 507-520, august 2017. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/performance-analysis-of-the-reheat-stop-valve-mechanism-under-dimensional-tolerance-misalignment-and-thermal-impact/>. Date accessed: 22 sep. 2021. 
doi:http://dx.doi.org/.
Dong, X., & Ye, J.
(2009).
Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact.
Strojniški vestnik - Journal of Mechanical Engineering, 55(9), 507-520.
doi:http://dx.doi.org/
@article{.,
	author = {Xu  Dong and Jin  Ye},
	title = {Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {55},
	number = {9},
	year = {2009},
	keywords = {dimensional tolerance; misalignment; thermal impact; clearance; performance; },
	abstract = {The reheat-stop-valve (RHSV) mechanism is a principal component in a steam turbine unit which controls the running state. Mechanical jamming and incompletence often occur during closing the mechanism. This paper proposes a method to quantitatively investigate the cumulative effect of dimensional tolerance, misalignment and thermal impact on the dynamic performance with shaft and bearing pairs in a RHSV mechanism. Finite element method is employed to study the effect of thermal impact on the clearance of the shaft and bearing pairs. Then, we calculate the clearance of the shaft and bearing pairs considering thermal impact and dimensional tolerance. Based on the non-linear clearance and misalignment, a model named compensation cone is developed to establish the multi-support mechanism of the shaft and bearings system. The method is demonstrated by applying to the RHSV mechanism in a supercritical steam turbine unit. The results indicate that the combined effect of dimensional tolerance, misalignment and thermal impact exerts great effect on the performance of mechanism.},
	issn = {0039-2480},	pages = {507-520},	doi = {},
	url = {https://www.sv-jme.eu/article/performance-analysis-of-the-reheat-stop-valve-mechanism-under-dimensional-tolerance-misalignment-and-thermal-impact/}
}
Dong, X.,Ye, J.
2009 August 55. Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 55:9
%A Dong, Xu 
%A Ye, Jin 
%D 2009
%T Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact
%B 2009
%9 dimensional tolerance; misalignment; thermal impact; clearance; performance; 
%! Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact
%K dimensional tolerance; misalignment; thermal impact; clearance; performance; 
%X The reheat-stop-valve (RHSV) mechanism is a principal component in a steam turbine unit which controls the running state. Mechanical jamming and incompletence often occur during closing the mechanism. This paper proposes a method to quantitatively investigate the cumulative effect of dimensional tolerance, misalignment and thermal impact on the dynamic performance with shaft and bearing pairs in a RHSV mechanism. Finite element method is employed to study the effect of thermal impact on the clearance of the shaft and bearing pairs. Then, we calculate the clearance of the shaft and bearing pairs considering thermal impact and dimensional tolerance. Based on the non-linear clearance and misalignment, a model named compensation cone is developed to establish the multi-support mechanism of the shaft and bearings system. The method is demonstrated by applying to the RHSV mechanism in a supercritical steam turbine unit. The results indicate that the combined effect of dimensional tolerance, misalignment and thermal impact exerts great effect on the performance of mechanism.
%U https://www.sv-jme.eu/article/performance-analysis-of-the-reheat-stop-valve-mechanism-under-dimensional-tolerance-misalignment-and-thermal-impact/
%0 Journal Article
%R 
%& 507
%P 14
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 55
%N 9
%@ 0039-2480
%8 2017-08-21
%7 2017-08-21
Dong, Xu, & Jin  Ye.
"Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact." Strojniški vestnik - Journal of Mechanical Engineering [Online], 55.9 (2009): 507-520. Web.  22 Sep. 2021
TY  - JOUR
AU  - Dong, Xu 
AU  - Ye, Jin 
PY  - 2009
TI  - Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - dimensional tolerance; misalignment; thermal impact; clearance; performance; 
N2  - The reheat-stop-valve (RHSV) mechanism is a principal component in a steam turbine unit which controls the running state. Mechanical jamming and incompletence often occur during closing the mechanism. This paper proposes a method to quantitatively investigate the cumulative effect of dimensional tolerance, misalignment and thermal impact on the dynamic performance with shaft and bearing pairs in a RHSV mechanism. Finite element method is employed to study the effect of thermal impact on the clearance of the shaft and bearing pairs. Then, we calculate the clearance of the shaft and bearing pairs considering thermal impact and dimensional tolerance. Based on the non-linear clearance and misalignment, a model named compensation cone is developed to establish the multi-support mechanism of the shaft and bearings system. The method is demonstrated by applying to the RHSV mechanism in a supercritical steam turbine unit. The results indicate that the combined effect of dimensional tolerance, misalignment and thermal impact exerts great effect on the performance of mechanism.
UR  - https://www.sv-jme.eu/article/performance-analysis-of-the-reheat-stop-valve-mechanism-under-dimensional-tolerance-misalignment-and-thermal-impact/
@article{{}{.},
	author = {Dong, X., Ye, J.},
	title = {Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {55},
	number = {9},
	year = {2009},
	doi = {},
	url = {https://www.sv-jme.eu/article/performance-analysis-of-the-reheat-stop-valve-mechanism-under-dimensional-tolerance-misalignment-and-thermal-impact/}
}
TY  - JOUR
AU  - Dong, Xu 
AU  - Ye, Jin 
PY  - 2017/08/21
TI  - Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 55, No 9 (2009): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - dimensional tolerance, misalignment, thermal impact, clearance, performance, 
N2  - The reheat-stop-valve (RHSV) mechanism is a principal component in a steam turbine unit which controls the running state. Mechanical jamming and incompletence often occur during closing the mechanism. This paper proposes a method to quantitatively investigate the cumulative effect of dimensional tolerance, misalignment and thermal impact on the dynamic performance with shaft and bearing pairs in a RHSV mechanism. Finite element method is employed to study the effect of thermal impact on the clearance of the shaft and bearing pairs. Then, we calculate the clearance of the shaft and bearing pairs considering thermal impact and dimensional tolerance. Based on the non-linear clearance and misalignment, a model named compensation cone is developed to establish the multi-support mechanism of the shaft and bearings system. The method is demonstrated by applying to the RHSV mechanism in a supercritical steam turbine unit. The results indicate that the combined effect of dimensional tolerance, misalignment and thermal impact exerts great effect on the performance of mechanism.
UR  - https://www.sv-jme.eu/article/performance-analysis-of-the-reheat-stop-valve-mechanism-under-dimensional-tolerance-misalignment-and-thermal-impact/
Dong, Xu, AND Ye, Jin.
"Performance Analysis of the Reheat-Stop-Valve Mechanism under Dimensional Tolerance, Misalignment and Thermal Impact" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 55 Number 9 (21 August 2017)

Authors

Affiliations

  • Shanghai Jiao Tong University, School of Mechanical Engineering, China
  • Shanghai Jiao Tong University, School of Mechanical Engineering, China

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 55(2009)9, 507-520

The reheat-stop-valve (RHSV) mechanism is a principal component in a steam turbine unit which controls the running state. Mechanical jamming and incompletence often occur during closing the mechanism. This paper proposes a method to quantitatively investigate the cumulative effect of dimensional tolerance, misalignment and thermal impact on the dynamic performance with shaft and bearing pairs in a RHSV mechanism. Finite element method is employed to study the effect of thermal impact on the clearance of the shaft and bearing pairs. Then, we calculate the clearance of the shaft and bearing pairs considering thermal impact and dimensional tolerance. Based on the non-linear clearance and misalignment, a model named compensation cone is developed to establish the multi-support mechanism of the shaft and bearings system. The method is demonstrated by applying to the RHSV mechanism in a supercritical steam turbine unit. The results indicate that the combined effect of dimensional tolerance, misalignment and thermal impact exerts great effect on the performance of mechanism.

dimensional tolerance; misalignment; thermal impact; clearance; performance;