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Pneumatic measurements on TR-U-7 cascade
Šimurda, David; Hála, Jindřich; Luxa, Martin
2016 - English
Report contains results and analysis of pneumatic aerodynamic measurements on the variant of the tip section of 60" (1525) long rotor blade designed for the last stage of a large output steam turbine. Internal designation of the cascade is TR-U-7. Measurements were performed in the test section with small flow turning.
Keywords:
tip section; long turbine blade; transonic flow
Available at various institutes of the ASCR
Pneumatic measurements on TR-U-7 cascade
Report contains results and analysis of pneumatic aerodynamic measurements on the variant of the tip section of 60" (1525) long rotor blade designed for the last stage of a large output steam turbine. ...
Pneumatic measurements on TR-P-4 cascade
Šimurda, David; Hála, Jindřich; Luxa, Martin
2016 - English
Report contains results and analysis of pneumatic aerodynamic measurements on the optimised variant of the hub section of ultra long rotor blade designed for the last stage of a large output steam turbine. Internal designation of the cascade is TR-P-4.
Keywords:
hub section; long turbine blade; transonic flow
Available at various institutes of the ASCR
Pneumatic measurements on TR-P-4 cascade
Report contains results and analysis of pneumatic aerodynamic measurements on the optimised variant of the hub section of ultra long rotor blade designed for the last stage of a large output steam ...
Measurement on valve IV
Šimurda, David; Hála, Jindřich; Luxa, Martin
2016 - English
Report contains results and evaluation of pneumatic measurements conducted on the overloading valve system.
Keywords:
steam valve; experimental aerodynamics; pneumatic measurements
Available at various institutes of the ASCR
Measurement on valve IV
Report contains results and evaluation of pneumatic measurements conducted on the overloading valve system.
Optical measurements on TR-U-7 cascade
Luxa, Martin; Šimurda, David
2016 - English
Report contains results and analysis of optical measurements (interferometry and schlieren photography) on the variant of the tip section of the 60" (1525) long rotor blade for the last stage of a large output steam turbine. Internal designation of the cascade is TR-U-7. Measurements were performed in the test section with small flow turning.
Keywords:
tip section; long turbine blade; transonic flow
Available at various institutes of the ASCR
Optical measurements on TR-U-7 cascade
Report contains results and analysis of optical measurements (interferometry and schlieren photography) on the variant of the tip section of the 60" (1525) long rotor blade for the last stage of a ...
Pneumatic measurements on TR-U-6 cascade
Šimurda, David; Luxa, Martin
2015 - English
Report contains results and analysis of conducted optical and pneumatic aerodynamic measurements on the tip section of 60" (1525) long rotor blade designed for the last stage of a large output steam turbine. Internal designation of the cascade is TR-U-6. Measurements were performed in the test section with small flow turning.
Keywords:
tip section; long turbine blade; transonic flow
Available at various institutes of the ASCR
Pneumatic measurements on TR-U-6 cascade
Report contains results and analysis of conducted optical and pneumatic aerodynamic measurements on the tip section of 60" (1525) long rotor blade designed for the last stage of a large output steam ...
Measurement on TR-U-6 Cascade - Appendix
Luxa, Martin; Šimurda, David
2015 - English
Research report contains results and analysis of additional optical and pneumatic measurements on the tip section of the 60" (1525) long rotor blade.
Keywords:
tip section; long turbine rotor blade; transonic flow
Available at various institutes of the ASCR
Measurement on TR-U-6 Cascade - Appendix
Research report contains results and analysis of additional optical and pneumatic measurements on the tip section of the 60" (1525) long rotor blade.
Measurement on Valve III
Hála, Jindřich; Luxa, Martin; Šimurda, David
2015 - English
This research report deals with the results and analysis of the pneumatic measurements of flow in the model of the high pressure steam valve system (VT1000MW).
Keywords:
steam valve; experimental aerodynamics; pneumatic measurements
Available at various institutes of the ASCR
Measurement on Valve III
This research report deals with the results and analysis of the pneumatic measurements of flow in the model of the high pressure steam valve system (VT1000MW).
Experiments in directional distortional hardening—determination of mechanical properties of the S355J0 grade structural steel
Parma, Slavomír; Ciocanel, C.; Seiner, Hanuš; Hrubý, Zbyněk
2015 - English
In order to carry out comprehensive experiments in the research of directional distortional hardening phenomenon, some basic mechanical properties of S355J0 structural steel are determined. Particularly, attention is payed to the determination of elastic properties of the material, determination of anisotropy of the material induced by the manufacturing technology of specimens, and determination of elasto-plastic behavior of the material. Elastic properties of the material are measured via an ultrasound method, elasto-plastic behavior is analyzed from the tensile and torsional testing. Conclusions of the report are intended for design and evaluation of the comprehensive experiments mentioned.
Keywords:
stress-strain curve; plasticity; directional distortional hardening
Available at various institutes of the ASCR
Experiments in directional distortional hardening—determination of mechanical properties of the S355J0 grade structural steel
In order to carry out comprehensive experiments in the research of directional distortional hardening phenomenon, some basic mechanical properties of S355J0 structural steel are determined. ...
Measurement, analysis and identification of complex modulus of elasticity of a ruber segment pressed onto a rubber-damped whell
Pešek, Luděk; Šulc, Petr; Bula, Vítězslav; Cibulka, Jan
2015 - English
The aim of this study was to measure, analyze and identify the complex modulus of elasticity of rubber segments pressed onto the "Hong Kong" rubber-damped railway wheels in relation to the deformation nodes of wheel vibrations. The main goal was to improve the description of the frequency dependence of the material constants of the rubber segments pressed between the disk and the rim with large pre-stress (about 20%) during the production of the rubber-damped wheel. The solution consists of two parts: a) the modal analysis of the railway wheel, b) the identification of the frequency dependence of Youngś modulus and the loss factor of the wheel rubber by the finite element method. The obtained results are in good accordance with the behavior of hard synthetic rubber.
Keywords:
mechanical vibration; experimental research
Available at various institutes of the ASCR
Measurement, analysis and identification of complex modulus of elasticity of a ruber segment pressed onto a rubber-damped whell
The aim of this study was to measure, analyze and identify the complex modulus of elasticity of rubber segments pressed onto the "Hong Kong" rubber-damped railway wheels in relation to the deformation ...
Optical measurements on TR-U-6 cascade
Luxa, Martin; Šimurda, David
2015 - English
Report contains results and analysis of optical measurements, interferometry and schlieren photography, on the tip section of the 60" (1525) long rotor blade for the configuration with 50 blades in a wheel.
Keywords:
tip section; long turbine blade; transonic flow
Available at various institutes of the ASCR
Optical measurements on TR-U-6 cascade
Report contains results and analysis of optical measurements, interferometry and schlieren photography, on the tip section of the 60" (1525) long rotor blade for the configuration with 50 blades in a ...
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