NSTL国家科技图书文献中心

1. Improving the blade tip clearance measurement method based on blade tip timing: Accounting for rotor speed variations and non-uniform blade-by-blade tip clearance NSTL国家科技图书文献中心

Guo, Xiaolei | Liu, Huoxing ... - 《Measurement》 - 2025,242PA(Pt.1) - 115777～ - 共13页

摘要：The Blade* Tip Clearance (BTC) measurement* | method based on Blade* Tip Timing (BTT) suffers from* | the determination of blade-by-blade* tip clearance* | measurement errors in blade-by-blade* tip clearance* | blade-by-blade tip clearance notably enhances

关键词： Aeroengine | Blade tip clearance | Blade tip timing | Blade-by-blade

2. Flutter assessment of a rotor blade in hover based on indicial aerodynamics considering blade aerofoil, rotor inflow and wake periodicity NSTL国家科技图书文献中心

J. Arnold - 《The Aeronautical journal》 - 2025,129(Mar. TN.1333) - 593～608 - 共16页

摘要： rotor blades, also the 7AD blade* exhibits a classical* | The experimental 7AD rotor blade* is assessed* | influence of aerodynamic contributions related to blade | for the study of their impact on rotor blade* flutter* | for circulation comprising blade* aerofoil, rotor*

关键词： articulated rotor blade | multibody dynamics | indicial aerodynamics | blade flutter

3. Blade tip clearance measurement method based on blade tip timing without the once per revolution sensor NSTL国家科技图书文献中心

Guo, Xiaolei | Liu, Huoxing ... - 《Measurement Science & Technology》 - 2025,36(1) - 1～11 - 共11页 - 被引量：1

摘要：The rotor blade* tip clearance (BTC) of an* | method based on blade* tip timing (BTT) stands out* | -revolution (OPR) sensor for rotor speed and blade* serial* | identify blade* serial numbers and achieve BTC measurement* | methods demonstrate the capability to measure blade-by

关键词： aeroengine | blade tip clearance | blade tip timing | none once per revolution

4. Performance of cross-flow turbines with varying blade materials and unsupported blade span NSTL国家科技图书文献中心

Marone N. | Wosnik M.... - 《Renewable energy》 - 2025,238(Jan.) - 1.1～1.15 - 共15页 - 被引量：1

摘要： performance and blade* strain measurements while varying the* | following parameters: blade* materials and blade free end* | free end. The blade* materials tested were carbon, E* | hundreds of strain measurements per blade. Turbine | performance and blade* strain were measured while varying tow*

关键词： Blade materials | Composites | Cross-flow turbine | Marine energy | Tow tank testing | Turbine performance

5. Aero-engine blade detection and tracking using networked borescopes NSTL国家科技图书文献中心

Liu, Shuai | Liang, Wei ... - 《International Journal of Sensor Networks》 - 2025,47(3) - 148～161 - 共14页

摘要：-engine blade* quality is essential. Traditional manual* | inefficient due to metallic reflections and blade* similarity* | to aid in blade* quality monitoring. A variable* | . Finally, an optical flow-assisted blade* tracking* | blade inspection platform. The experimental results

关键词： aero-engine blade detection | aero-engine blade tracking | convolutional neural network | CNN | endoscope sensor network

6. Time-frequency reassignment of blade tip timing signal NSTL国家科技图书文献中心

Jinghui Xu | Baijie Qiao ... - 《Mechanical Systems & Signal Processing》 - 2025,224(Feb.) - 112163.1～112163.18 - 共18页

摘要：The health condition of a rotor blade* can be* | timefrequency analysis of the blade vibration signal. Blade | reassignment utilizes the blade* natural frequency, obtained* | blade dynamic frequency with respect to the rotational | assessed by its dynamic frequency with respect the

关键词： Blade tip timing | Rotor blade | Time-frequency reassignment | Bayesian estimation

7. Identification of blade vibration parameters based on improved blade tip timing technology and two-factor analysis method NSTL国家科技图书文献中心

Xu, Shuben | Wei, Daitong ... - 《Measurement Science & Technology》 - 2025,36(1) - 1～13 - 共13页

摘要： measurement method, blade* tip timing (BTT) is regarded as an* | efficient technique for blade* vibration monitoring as it* | this work, a novel blade* vibration parameters* | . Based on the model, the relationship between blade | identification of blade* vibration parameter, which provides a*

关键词： blade tip timing | vibration parameter identification | two-factor analysis method | elliptical fitting | single sensor

8. (108912)A novel method for shape pre-optimization of fir-tree couplings in blade-disk connections NSTL国家科技图书文献中心

Muzio M. Gola | Farhad Alinejad - 《Engineering failure analysis》 - 2025,167(Pt.A) - 1～36 - 共36页

摘要： the pre-optimization of the blade-disk fir-tree | connections. Failure of the blade-disk attachment can lead | This paper presents an innovative approach to | coupling, with the intent of advancing the design and | analysis of such connections in turbomachinery. These

关键词： Turbomachinery | Fir-tree attachment | Turbine blade | Turbine disk | Mechanical stress | Mechanical design | Pre-optimization

9. Error analysis of blade milling considering surface features and deformation NSTL国家科技图书文献中心

Wu, Shi | Wang, Chunfeng ... - 《The International Journal of Advanced Manufacturing Technology》 - 2025,136(7/8) - 3775～3789 - 共15页

摘要：Thin-walled impeller blade* curvature changes* | compensate for online blade* milling machining errors, this* | deformation of the blade. First, based on the tool-workpiece | contact relationship of blade* curvature and machining* | in the milling process. Low stiffness and other

关键词： Impeller blade | Surface features | Deformation | Chip thickness | Machining error

10. Performance analysis of the blade for the v-shaped vertical axis wind turbine NSTL国家科技图书文献中心

Aastik Sharma | Lei Zhang ... - 《3rd University Scholar Conference (USC 2023)》 - University Scholar Conference - 2025, - 142～155 - 共14页

摘要： blade, and tapered blades are suggested for the V-VAWT | blade models for novel V-shaped VAWT It has always | used for the blade* models in this research. The* | V-VAWT with the change in the shape of its blade | blade for five different blade models is studied. The

摘要：The Blade* Tip Clearance (BTC) measurement* | method based on Blade* Tip Timing (BTT) suffers from* | the determination of blade-by-blade* tip clearance* | measurement errors in blade-by-blade* tip clearance* | blade-by-blade tip clearance notably enhances

关键词： Aeroengine | Blade tip clearance | Blade tip timing | Blade-by-blade

摘要： rotor blades, also the 7AD blade* exhibits a classical* | The experimental 7AD rotor blade* is assessed* | influence of aerodynamic contributions related to blade | for the study of their impact on rotor blade* flutter* | for circulation comprising blade* aerofoil, rotor*

关键词： articulated rotor blade | multibody dynamics | indicial aerodynamics | blade flutter

摘要：The rotor blade* tip clearance (BTC) of an* | method based on blade* tip timing (BTT) stands out* | -revolution (OPR) sensor for rotor speed and blade* serial* | identify blade* serial numbers and achieve BTC measurement* | methods demonstrate the capability to measure blade-by

关键词： aeroengine | blade tip clearance | blade tip timing | none once per revolution

关键词： Blade materials | Composites | Cross-flow turbine | Marine energy | Tow tank testing | Turbine performance

摘要：-engine blade* quality is essential. Traditional manual* | inefficient due to metallic reflections and blade* similarity* | to aid in blade* quality monitoring. A variable* | . Finally, an optical flow-assisted blade* tracking* | blade inspection platform. The experimental results

关键词： aero-engine blade detection | aero-engine blade tracking | convolutional neural network | CNN | endoscope sensor network

摘要：The health condition of a rotor blade* can be* | timefrequency analysis of the blade vibration signal. Blade | reassignment utilizes the blade* natural frequency, obtained* | blade dynamic frequency with respect to the rotational | assessed by its dynamic frequency with respect the

关键词： Blade tip timing | Rotor blade | Time-frequency reassignment | Bayesian estimation

关键词： blade tip timing | vibration parameter identification | two-factor analysis method | elliptical fitting | single sensor

摘要： the pre-optimization of the blade-disk fir-tree | connections. Failure of the blade-disk attachment can lead | This paper presents an innovative approach to | coupling, with the intent of advancing the design and | analysis of such connections in turbomachinery. These

关键词： Turbomachinery | Fir-tree attachment | Turbine blade | Turbine disk | Mechanical stress | Mechanical design | Pre-optimization

摘要：Thin-walled impeller blade* curvature changes* | compensate for online blade* milling machining errors, this* | deformation of the blade. First, based on the tool-workpiece | contact relationship of blade* curvature and machining* | in the milling process. Low stiffness and other

关键词： Impeller blade | Surface features | Deformation | Chip thickness | Machining error

摘要： blade, and tapered blades are suggested for the V-VAWT | blade models for novel V-shaped VAWT It has always | used for the blade* models in this research. The* | V-VAWT with the change in the shape of its blade | blade for five different blade models is studied. The

关键词： VAWT | aerodynamics | blade design | CFD

4008-161-200 800-990-8900

国家科技图书文献中心

摘要：The Blade Tip Clearance (BTC) measurement | method based on Blade Tip Timing (BTT) suffers from | the determination of blade-by-blade tip clearance | measurement errors in blade-by-blade tip clearance | blade-by-blade tip clearance notably enhances

关键词： Aeroengine | Blade tip clearance | Blade tip timing | Blade-by-blade

摘要： rotor blades, also the 7AD blade exhibits a classical | The experimental 7AD rotor blade is assessed | influence of aerodynamic contributions related to blade | for the study of their impact on rotor blade flutter | for circulation comprising blade aerofoil, rotor

关键词： articulated rotor blade | multibody dynamics | indicial aerodynamics | blade flutter

摘要：The rotor blade tip clearance (BTC) of an | method based on blade tip timing (BTT) stands out | -revolution (OPR) sensor for rotor speed and blade serial | identify blade serial numbers and achieve BTC measurement | methods demonstrate the capability to measure blade-by

关键词： aeroengine | blade tip clearance | blade tip timing | none once per revolution

摘要： performance and blade strain measurements while varying the | following parameters: blade materials and blade free end | free end. The blade materials tested were carbon, E | hundreds of strain measurements per blade. Turbine | performance and blade strain were measured while varying tow

关键词： Blade materials | Composites | Cross-flow turbine | Marine energy | Tow tank testing | Turbine performance

摘要：-engine blade quality is essential. Traditional manual | inefficient due to metallic reflections and blade similarity | to aid in blade quality monitoring. A variable | . Finally, an optical flow-assisted blade tracking | blade inspection platform. The experimental results

关键词： aero-engine blade detection | aero-engine blade tracking | convolutional neural network | CNN | endoscope sensor network

摘要：The health condition of a rotor blade can be | timefrequency analysis of the blade vibration signal. Blade | reassignment utilizes the blade natural frequency, obtained | blade dynamic frequency with respect to the rotational | assessed by its dynamic frequency with respect the

关键词： Blade tip timing | Rotor blade | Time-frequency reassignment | Bayesian estimation

摘要： measurement method, blade tip timing (BTT) is regarded as an | efficient technique for blade vibration monitoring as it | this work, a novel blade vibration parameters | . Based on the model, the relationship between blade | identification of blade vibration parameter, which provides a

关键词： blade tip timing | vibration parameter identification | two-factor analysis method | elliptical fitting | single sensor

摘要： the pre-optimization of the blade-disk fir-tree | connections. Failure of the blade-disk attachment can lead | This paper presents an innovative approach to | coupling, with the intent of advancing the design and | analysis of such connections in turbomachinery. These

关键词： Turbomachinery | Fir-tree attachment | Turbine blade | Turbine disk | Mechanical stress | Mechanical design | Pre-optimization

摘要：Thin-walled impeller blade curvature changes | compensate for online blade milling machining errors, this | deformation of the blade. First, based on the tool-workpiece | contact relationship of blade curvature and machining | in the milling process. Low stiffness and other

关键词： Impeller blade | Surface features | Deformation | Chip thickness | Machining error

摘要： blade, and tapered blades are suggested for the V-VAWT | blade models for novel V-shaped VAWT It has always | used for the blade models in this research. The | V-VAWT with the change in the shape of its blade | blade for five different blade models is studied. The

关键词： VAWT | aerodynamics | blade design | CFD

4008-161-200 800-990-8900

国家科技图书文献中心

摘要：The Blade* Tip Clearance (BTC) measurement* | method based on Blade* Tip Timing (BTT) suffers from* | the determination of blade-by-blade* tip clearance* | measurement errors in blade-by-blade* tip clearance* | blade-by-blade tip clearance notably enhances

摘要： rotor blades, also the 7AD blade* exhibits a classical* | The experimental 7AD rotor blade* is assessed* | influence of aerodynamic contributions related to blade | for the study of their impact on rotor blade* flutter* | for circulation comprising blade* aerofoil, rotor*

摘要：The rotor blade* tip clearance (BTC) of an* | method based on blade* tip timing (BTT) stands out* | -revolution (OPR) sensor for rotor speed and blade* serial* | identify blade* serial numbers and achieve BTC measurement* | methods demonstrate the capability to measure blade-by

摘要：-engine blade* quality is essential. Traditional manual* | inefficient due to metallic reflections and blade* similarity* | to aid in blade* quality monitoring. A variable* | . Finally, an optical flow-assisted blade* tracking* | blade inspection platform. The experimental results

摘要：The health condition of a rotor blade* can be* | timefrequency analysis of the blade vibration signal. Blade | reassignment utilizes the blade* natural frequency, obtained* | blade dynamic frequency with respect to the rotational | assessed by its dynamic frequency with respect the

摘要：Thin-walled impeller blade* curvature changes* | compensate for online blade* milling machining errors, this* | deformation of the blade. First, based on the tool-workpiece | contact relationship of blade* curvature and machining* | in the milling process. Low stiffness and other

摘要： blade, and tapered blades are suggested for the V-VAWT | blade models for novel V-shaped VAWT It has always | used for the blade* models in this research. The* | V-VAWT with the change in the shape of its blade | blade for five different blade models is studied. The