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Статті в журналах з теми "BLADE ROUGHNESS"
Chen, Yan, Chunxiang Gao, and Wuli Chu. "Effect and Mechanism of Roughness on the Performance of a Five-Stage Axial Flow Compressor." Aerospace 9, no. 8 (August 4, 2022): 428. http://dx.doi.org/10.3390/aerospace9080428.
Повний текст джерелаYun, Yong Il, Il Young Park, and Seung Jin Song. "Performance Degradation due to Blade Surface Roughness in a Single-Stage Axial Turbine." Journal of Turbomachinery 127, no. 1 (January 1, 2005): 137–43. http://dx.doi.org/10.1115/1.1811097.
Повний текст джерелаLiu, Chen, Yipeng Cao, Sihui Ding, Wenping Zhang, Yuhang Cai, and Aqiang Lin. "Effects of blade surface roughness on compressor performance and tonal noise emission in a marine diesel engine turbocharger." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 14 (June 9, 2020): 3476–90. http://dx.doi.org/10.1177/0954407020927637.
Повний текст джерелаTangler, J. L. "Influence of Pitch, Twist, and Taper on a Blade’s Performance Loss due to Roughness." Journal of Solar Energy Engineering 119, no. 3 (August 1, 1997): 248–52. http://dx.doi.org/10.1115/1.2888027.
Повний текст джерелаÖzgen, Serkan, Eda Bahar Sarıbel, and Ali Rıza Yaman. "Effect of blade contamination on power production of wind turbines." Journal of Physics: Conference Series 2265, no. 3 (May 1, 2022): 032012. http://dx.doi.org/10.1088/1742-6596/2265/3/032012.
Повний текст джерелаMulleners, K., P. Gilge, and S. Hohenstein. "Impact of Surface Roughness on the Turbulent Wake Flow of a Turbine Blade." Journal of Aerodynamics 2014 (December 30, 2014): 1–9. http://dx.doi.org/10.1155/2014/458757.
Повний текст джерелаGutiérrez, R., E. Llorente, and D. Ragni. "Induced stalled flow due to roughness sensitivity for thick airfoils in modern wind turbines." Journal of Physics: Conference Series 2151, no. 1 (January 1, 2022): 012001. http://dx.doi.org/10.1088/1742-6596/2151/1/012001.
Повний текст джерелаGilge, Philipp, Andreas Kellersmann, Jens Friedrichs, and Jörg R. Seume. "Surface roughness of real operationally used compressor blade and blisk." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233, no. 14 (May 9, 2019): 5321–30. http://dx.doi.org/10.1177/0954410019843438.
Повний текст джерелаCaccia, Francesco, and Alberto Guardone. "Numerical simulations of ice accretion on wind turbine blades: are performance losses due to ice shape or surface roughness?" Wind Energy Science 8, no. 3 (March 15, 2023): 341–62. http://dx.doi.org/10.5194/wes-8-341-2023.
Повний текст джерелаHamed, Awatef A., Widen Tabakoff, Richard B. Rivir, Kaushik Das, and Puneet Arora. "Turbine Blade Surface Deterioration by Erosion." Journal of Turbomachinery 127, no. 3 (March 1, 2004): 445–52. http://dx.doi.org/10.1115/1.1860376.
Повний текст джерелаДисертації з теми "BLADE ROUGHNESS"
Vigueras, Zuniga Marco Osvaldo. "Analysis of gas turbine compressor fouling and washing on line." Thesis, Cranfield University, 2007. http://hdl.handle.net/1826/2448.
Повний текст джерелаWammack, James Edward. "Evolution of Turbine Blade Deposits in an Accelerated Deposition Facility: Roughness and Thermal Analysis." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd1067.pdf.
Повний текст джерелаFritzsche, Jörg. "Haftkräfte zwischen technisch rauen Oberflächen." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2017. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-217698.
Повний текст джерела"Effect of blade surface roughness on profile loss and exit angle in a rectilinear steam turbine cascade." Thesis, 2002. http://localhost:8080/iit/handle/2074/5137.
Повний текст джерелаWu, Jhih-Wei, and 吳志偉. "Numerical Study on the Aerodynamic Characteristics and Performance of the Roughness Applied on Blade in the Vertical Axis Wind Turbine." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/36nh42.
Повний текст джерела國立虎尾科技大學
航空與電子科技研究所
102
The vertical axis wind turbines have an advantage over the horizontal axis wind turbines such as easy installation, less susceptibility to wind shift and low noise. They are very suitable to be installed in urban and suburban region. The vertical axis-wind turbine has great potential for promoting green energy in residential life. Since the stall angle can be enhanced by increasing the roughness appropriately on blade surface. This study integrated the SST k-ω turbulence module into the computational fluid finite volume method to explore the aerodynamic characteristic of a three blade vertical axis wind turbine (VAWT) in different tip speed ratio and different roughness height (RH). It’s intended to find the optimal roughness height, to increase the efficiency of wind energy capture, and enhance the performance of the wind turbines. In the 2D VAWT ,increase λ the maximum average torque coefficient (Cq) is occurred at λ=2.5; The Cq is increase with λ as λ<2.5, and then decrease with λ as λ>2.5. The average Cq are larger than the smooth blade case as λ≦2. The average Cq are lower than the smooth blade case as λ≧2.5. Compare the smooth blade case, adding roughness on top and bottom surface of blade, the best roughness height is at RH=1x10-3m obtained average Cq enhance 67.86%、25.55% and 20.38% as λ=1、1.5 and 2 respectively. Compare the smooth blade case, adding roughness on top surface of blade, the best roughness height is at RH=1x10-4m obtained average Cq enhance 76.48%、49.11% and 26.60% as λ=1、1.5 and 2 respectively. Compare the smooth blade case, adding roughness RH=1x10-4m on front surface of blade, obtained average Cqenhance 60.59%、40.73% and 23.24% as λ=1、1.5 and 2 respectively. In the 3D VAWT ,increase λ the maximum average CQ is occurred at λ=2; The CQ is increase with λ as λ<2, and then decrease with λ as λ>2. The average CQ are larger than the smooth blade case as λ≦1.5. The average CQ are lower than the smooth blade case as λ≧2. Compare the smooth blade case, adding roughness on top and bottom surface of blade, the best roughness height is at RH=1x10-3m obtained average CQ enhance 39.40% as λ=0.5. The best roughness height is at RH=5x10-4m obtained average CQ enhance 48.90% and 10.20% as λ=1.5 and 2 respectively. Compare the smooth blade case, adding roughness on top surface of blade, the best roughness height is at RH=1x10-3m obtained average CQ enhance17.75%、30.88% and 30.76% as λ=0.5、1 and 1.5 respectively. Compare the smooth blade case, adding roughness on front 1/3 c surface of blade, the best roughness height is at RH=1x10-3m obtained average CQ enhance 41.87%、59.93% and 19.97% as λ=0.5、1 and 1.5 respectively. Compare the smooth blade case, adding roughness on top front 1/3 c surface of blade, the best roughness height is at RH=1x10-3m obtained average CQ enhance 35.42% and 3.79% as λ=1.5 and 2 respectively. In each of these cases, adding roughness RH=1x10-3m on top front 1/3 c surface of blade in VAWT is the best, the maximum average CQ is occurred at λ=2, but also improve performance.
Chen, Yi-Hsiang, and 陳益祥. "The Effect of Blade Type and Roughness of Rear Wall on the Performance and the Acoustic Noise of the Cross Flow Fan." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/269nvk.
Повний текст джерела國立臺北科技大學
冷凍空調工程系所
93
In order to improve the noise characteristics in the flow field of the cross flow fan (CFF), the present study adopted the CFD software-FLUENT to simulate the internal flow field of CFF and the sound pressure level by changing the blade type and wall roughness. Under the same of the rotational speed, the effects of different blade type and roughness on the fan performance and the characteristics of eccentric vortex were investigated. From the numerical results, it is found that: (1) the blade frequency tone for the fan can be significantly reduced by using the random pitch rotor instead of regular pitch rotor; (2) the fan performance decreases with the increase in the blade chord; (3) both blade frequency tone and volume flow rate decrease with the decrease in the blade angle; (4) changing the roughness has no apparent influence on the fan performance and the acoustic noise.
Fritzsche, Jörg. "Haftkräfte zwischen technisch rauen Oberflächen." Doctoral thesis, 2016. https://tubaf.qucosa.de/id/qucosa%3A23101.
Повний текст джерелаКниги з теми "BLADE ROUGHNESS"
Turbine Blade Surface Roughness Effects on Shear Drag and Heat Transfer. Storming Media, 2001.
Знайти повний текст джерелаЧастини книг з теми "BLADE ROUGHNESS"
Undreiner, S., and E. Dueymes. "Influence of the Blade Roughness on the Hydraulic Performance of a Mixed-Flow Pump. A Viscous Analysis." In Hydraulic Machinery and Cavitation, 428–37. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-010-9385-9_43.
Повний текст джерелаKy, Le Hong, and Tran Vinh Hung. "The Effects of Technological Parameters on the Accuracy and Surface Roughness of Turbine Blades When Machining on CNC Milling Machines." In Lecture Notes in Mechanical Engineering, 276–84. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99666-6_42.
Повний текст джерела"The Mechanisms and Manifestations of Friction." In Tribomaterials, 13–46. ASM International, 2021. http://dx.doi.org/10.31399/asm.tb.tpsfwea.t59300013.
Повний текст джерелаAntolin, William P., Aurélien Costes, Mélanie C. Rochoux, and Patrick Le Moigne. "Accounting for the canopy drag effects on wildland fire spread in coupled atmosphere/fire simulations." In Advances in Forest Fire Research 2022, 959–64. Imprensa da Universidade de Coimbra, 2022. http://dx.doi.org/10.14195/978-989-26-2298-9_145.
Повний текст джерелаТези доповідей конференцій з теми "BLADE ROUGHNESS"
Hummel, Frank, Michael Lo¨tzerich, Pasquale Cardamone, and Leonhard Fottner. "Surface Roughness Effects on Turbine Blade Aerodynamics." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53314.
Повний текст джерелаBack, Seung Chul, In Cheol Jeong, Jeong Lak Sohn, and Seung Jin Song. "Influence of Surface Roughness on the Performance of a Compressor Blade in a Linear Cascade: Experiment and Modeling." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59703.
Повний текст джерелаYun, Yong Il, Il Young Park, and Seung Jin Song. "Performance Degradation Due to Blade Surface Roughness in a Single-Stage Axial Turbine." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53094.
Повний текст джерелаRooij, R. P. J. O. M., and W. A. Timmer. "Roughness Sensitivity Considerations for Thick Rotor Blade Airfoils." In 41st Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-350.
Повний текст джерелаvan Rooij, R. P. J. O. M., and W. A. Timmer. "Roughness Sensitivity Considerations for Thick Rotor Blade Airfoils." In ASME 2003 Wind Energy Symposium. ASMEDC, 2003. http://dx.doi.org/10.1115/wind2003-350.
Повний текст джерелаMcIlroy, Hugh M., Ralph S. Budwig, and Donald M. McEligot. "Scaling of Turbine Blade Roughness for Model Studies." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42167.
Повний текст джерелаGregg, Jason R., and Kenneth W. Van Treuren. "Experimental Testing of Periodic Roughness Elements on a Small Scale Wind Turbine Blade." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38863.
Повний текст джерелаBoynton, J. L., R. Tabibzadeh, and S. T. Hudson. "Investigation of Rotor Blade Roughness Effects on Turbine Performance." In ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/92-gt-297.
Повний текст джерелаJoseph, Liselle A., Julien Fenouil, Aurelien Borgoltz, and William J. Devenport. "Aerodynamic Effects of Roughness on Wind Turbine Blade Sections." In 33rd AIAA Applied Aerodynamics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-3384.
Повний текст джерелаHamed, Awatef A., Widen Tabakoff, Richard B. Rivir, Kaushik Das, and Puneet Arora. "Turbine Blade Surface Deterioration by Erosion." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-54328.
Повний текст джерелаЗвіти організацій з теми "BLADE ROUGHNESS"
Wilcox, Benjamin J., Edward B. White, and David Charles Maniaci. Roughness Sensitivity Comparisons of Wind Turbine Blade Sections. Office of Scientific and Technical Information (OSTI), October 2017. http://dx.doi.org/10.2172/1404826.
Повний текст джерелаRaben, Sam, Pavlos Vlachos, and Wing Ng. Effects of Leading Edge Film-Cooling and Surface Roughness on the Downstream Film-Cooling Along a Transonic Turbine Blade for Low and High Free-Stream Turbulence. Fort Belvoir, VA: Defense Technical Information Center, February 2008. http://dx.doi.org/10.21236/ada479415.
Повний текст джерела