Relevant bibliographies by topics / Blade angle optimization

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Blade angle optimization'

Author: Grafiati
Published: 7 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Blade angle optimization"

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Tanasheva, Nazgul, Ainura Dyusembaeva, Nurgul Shuyushbayeva, et al. "Optimization of Magnus Wind Turbine Blades to Increase Operational Efficiency." CFD Letters 17, no. 6 (2024): 205–19. https://doi.org/10.37934/cfdl.17.6.205219.

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The problem of vortex disruption from the cylindrical blades of Magnus wind turbines is an urgent topic, which subsequently reduces the efficiency of the installation. Also, these cylindrical blades have a disadvantage in the form of low lift and high drag, as a result of which low operating efficiency is observed. Thus, the purpose of this work is a numerical study of the addition of a fixed blade to the cylindrical blades of a two-bladed wind turbine. Numerical studies were carried out for various angles of inclination of fixed blades from 0° to 60° using the Realizable k-ε turbulence model.
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Andrade, Silvia C. de P., Déborah A. T. D. do Rio Vaz, and Jerson R. P. Vaz. "A Simplified Optimization Model for Hydrokinetic Blades with Diffuser and Swept Rotor." Sustainability 16, no. 1 (2023): 33. http://dx.doi.org/10.3390/su16010033.

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The use of a diffuser in hydrokinetic turbines can improve the power coefficient. However, the risk of cavitation in the rotor blades increases. Studies suggest that backward-curved blades can reduce the axial load on the rotor and therefore prevent cavitation. Therefore, this work develops an optimization procedure applied to backward-curved blades in hydrokinetic turbines with diffusers based on the Blade Element Momentum Theory. The main contribution is to consider both the sweep effect and the presence of a diffuser in the optimization in an innovative way. We use a radial transformation f
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Zhang, Hui Min, and Hui Liang Liao. "Structure Optimization of Open Turbine Type Agitator." Advanced Materials Research 1082 (December 2014): 284–87. http://dx.doi.org/10.4028/www.scientific.net/amr.1082.284.

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Regarding open turbine type agitator, CFD method was used to simulate the mixing flow field with different number of blades, different blade angles and different ratio of blade lengths and diameters. In addition, according to the mixing effect, the parameters of agitator structure are optimized. Numerical simulations are verified by PIV experiments. The Multiple reference frame model conforms to the reality. Agitator structure is optimized when the ratio of blade length and diameter is 0.74, the blade angle is 45 °,blade number is 6, leading to the best the mixing effect with least stirring de
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Tshepo, S. Sithole, R. Veeredhi Vasudeva, and Thembalani Sithebe Dr. "Small Wind Turbine Blade Optimization using Blade Elementary Method Theory (BEMT)." International Journal of Innovative Science and Research Technology 7, no. 12 (2022): 16–21. https://doi.org/10.5281/zenodo.7444983.

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Theoretical algorithms, such as computational fluid dynamics (CFD), blade elementary method (BEM) theory, and the vortex wake system (VWS) have been implemented in the design of aerodynamic wind turbines. On these theoretical methods, the (BEM) theory proved to be the best method in optimising HAWT blades and is thus the most commonly used approach in modelling and constructing small wind turbine blades. This paper will primarily focused on designing and optimizing the type of aerofoil required for improving the pitch angle of the rotor blades, and for determining the number of blades necessar
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Zhao, Xintong, Jianhui Guan, Tianyu Wang, Xinyu Liu, Qingao Xu, and Jie Zhou. "Optimization of Impeller Structure Parameters of a Centrifugal Fan in a Powered Air-Purifying Respirator Power System." Processes 12, no. 2 (2024): 353. http://dx.doi.org/10.3390/pr12020353.

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As the core power element of a centrifugal fan, the impeller’s structural parameters are important factors affecting the aerodynamic performance of the fan. Therefore, to improve the aerodynamic performance of centrifugal fans, in this study, we take the Powered Air-Purifying Respirator (PAPR) power system as the object of research and use a combination of computational fluid dynamics (CFD) and experimental validation to investigate the effects of the number of blades, blade inlet angle, blade outlet angle, blade height, and blade thickness on the aerodynamic performance of the fan. A five-fac
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Fazylova, Alina, Michail Malamatoudis, and Panagiotis Kogias. "Optimization of the blade profile of a vertical axis wind turbine based on aerodynamic analysis." E3S Web of Conferences 404 (2023): 02002. http://dx.doi.org/10.1051/e3sconf/202340402002.

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This paper explores the influence of the angle of attack on the aerodynamic characteristics of the blade profile. The paper presents calculations, modeling and graphical representation of the blade shape during rotation around the axis. Using the given parameters, such as the length of the blade, the radius of the upper and lower boundaries, as well as the angle of inclination of the blade, the calculation of the coordinates of the points of the blade profile for various angles of rotation is given. The cross-sectional area, volume and mass of the blade were also calculated. Appropriate calcul
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Ren, Jinbo, Chongcheng Chen, Difa Bao, Xinhui Wu, and Shuhe Zheng. "Simulation Analysis and Optimization Design of Paddy Field Mud Spreader Blades for Uniform Dispersion." Agriculture 14, no. 3 (2024): 344. http://dx.doi.org/10.3390/agriculture14030344.

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To improve the distribution of mud particles collected in the tray during the operation of paddy field mud spreader blades, the optimal combination of parameters for the blades that results in the best uniformity of mud dispersion needs to be identified. In this study, a thorough force analysis was conducted on the spreading process, and computational equations were formulated to describe the motion of mud particles. By utilizing the discrete element simulation technique, a simulation model was developed to accurately represent the intricate interaction between the blades and mud particles. Th
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Wang, Shi Ming, and Ka Tian. "Flow Field Numerical Simulation Analysis of Five Wing Horizontal Wave Turbine Power Plant with Different Blade Angles." Applied Mechanics and Materials 477-478 (December 2013): 221–25. http://dx.doi.org/10.4028/www.scientific.net/amm.477-478.221.

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Used FLUENT software to simulate the flow distribution of a certain horizontal turbine with its blade angle changed from 25 ° to-35 °.The simulation results show the flow field changes with a period which was a fifth to the turbine rotational period. When the blade heads deflected laterally, the high flow velocity appeared near rear back turbine blades, or it appeared near the facing flow blades which were in the front lower part of the turbine. Besides, for blade angle deflected inside models, a stable annular velocity vector vortex gradually emerged around turbine as blade angle increased. T
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Amiruddin, Hilmi, Wan Mohd Faizal Wan Mahmood, Shahrir Abdullah, Mohd Radzi Abu Mansor, Rizalman Mamat, and Azri Alias. "Application of Taguchi method in optimization of design parameter for turbocharger vaned diffuser." Industrial Lubrication and Tribology 69, no. 3 (2017): 409–13. http://dx.doi.org/10.1108/ilt-09-2016-0224.

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Purpose The purpose of this study is to determine the best vaned diffuser design that can generate higher pressure output at a predetermined speed. Design/methodology/approach Several vaned diffusers of thin, flat-type design with different number of blades and blade angle were fabricated. The vaned diffusers were fitted inside the turbocharger compressor and test on a cold-flow turbocharger test rig. A Taguchi L27 orthogonal array is selected for analysis of the data. Influence of number of blades, blade angle and rotational speed on output pressure is studied using the analysis of variance (
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Zhao, Zhi Qiang, Zhi Gang Ma, Yue Tao Liu, Xiao Long Wu, and Hun Guo. "Optimization and Affections of Cathode Feed Angle on Machining Accuracy Error Distribution of Aero-Engine Blade in Electrochemical Machining." Key Engineering Materials 764 (February 2018): 225–34. http://dx.doi.org/10.4028/www.scientific.net/kem.764.225.

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Utilizing all-direction electrochemical machining (ECM) for super-thin twist aero-engine, feed angle of tool cathode and blade fixture angle are investigated and optimized in this study. The most optimal combination of the two angles (oblique feed angle of tool cathode and fixture angle of blade stock) is selected from all 65341 angle combinations. Moreover, the affections of the optimized angle combination on machining error distribution between blade shape and plate are concentrated. The analysis and experimental results demonstrate that the optimized angle combination can satisfy the machin
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Dissertations / Theses on the topic "Blade angle optimization"

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Jhang, Wei-Ciao, and 張惟喬. "Analysis and Diagnosis of Wind Turbine Blades-Angle Abnormality Based on Anti-noise Hilbert-Huang Transform and Genetic Glowworm Swarm Optimization." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/aayem9.

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碩士<br>中原大學<br>電機工程研究所<br>102<br>This study proposes an anti-noise Hilbert-Huang transform (AHHT) approach with the aim to enhance the angle-detection capability of wind turbine blades. Artificial neural network (ANN) are applied the features to recognize the blades faults. First, this study proposes a novel model of blades unbalanced signal analysis based on the anti-noise Hilbert–Huang transform (AHHT). The AHHT combines a particle swarm optimization (PSO) algorithm with an Hilbert-Huang transform(HHT) based on ensemble empirical mode decomposition(EEMD). The AHHT model is used to slove inter
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Book chapters on the topic "Blade angle optimization"

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Li, Hongshuai, Lei Tan, and Huanxin Zhao. "Influence of Blade Geometry on Performance of Hydrogen Vortex Blower in Fuel Cell System." In Proceedings of the 10th Hydrogen Technology Convention, Volume 1. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8631-6_18.

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AbstractHydrogen fuel cell has great potential in replacement of traditional fossil energy systems to decrease carbon dioxide emission. Vortex blower is a key device in the hydrogen recirculation system, which need to be studied deeply to improve the performance of the whole fuel cell. In this paper, the steady internal flow of a hydrogen vortex bower was numerical simulated, and the effect of blade number and blade flapping angle on the performance was studied. The simulation results were compared with experimental data, and the deviation of simulation in choking condition was observed. With
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Ong, Kok Meng, Pauline Ong, and Chee Kiong Sia. "Optimization of the Angle of Twist of Propeller Using Modified Flower Pollination Algorithm." In Advances in Computational Intelligence and Robotics. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-4766-2.ch014.

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In this chapter, a real-world mechanical engineering design problem (i.e., determining the angle of twist of propeller in order to maximize its thrust) was solved using modified flower pollination algorithm (MFPA). First, the relationship between angle of twist and the propeller thrust is explained. Then, the amount of experiments needed for this problem is determined using Box-Behnken design, whereas the mathematical model of this problem is developed using response surface methodology. After that, the overview of flower pollination algorithm (FPA) and its limitation is explained in detail. A
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Guha, Dipayan, Provas Kumar Roy, and Subrata Banerjee. "Dynamic and Stability Analysis of Wind-Diesel-Generator System With Intelligent Computation Algorithm." In Handbook of Research on Smart Power System Operation and Control. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8030-0.ch003.

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In this chapter, the dynamic performance of a wind-diesel-generator system has been studied against wind and load perturbations. The wind perturbation is modeled by simulating base, ramp, gust, and random wind. An optimized cascade tilt-integral-derivative (CC-TID) controller is provided to the test system for producing desired control signal to regulate the blade pitch angle of wind turbine. To confirm the efficacy of CC-TID controller, the output results are compared to that of PI- and PID-controller. The optimum gains of the proposed controllers are explored employing Levy-embedded grey wol
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Romei, Alessandro, Paolo Gaetani, and Giacomo Persico. "SHAPE OPTIMIZATION OF A sCO2 CENTRIFUGAL COMPRESSOR STAGE." In Proceedings of the 7th International Seminar on ORC Power System (ORC 2023), 2024th ed. Editorial Universidad de Sevilla, 2024. http://dx.doi.org/10.12795/9788447227457_16.

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The design of a centrifugal compressor for supercritical carbon dioxide (sCO2) power cycle must account for non-ideal gas effects and the possible occurrence of two-phase flows. Shape optimization techniques combined with computational fluid-dynamic (CFD) simulations can produce optimized designs while inherently coping with the peculiar flow characteristics near the thermodynamic critical point. This work presents the first shape-optimization attempt of such non-conventional compressors. The compressor stage includes the impeller and the vaneless diffuser and starts the compression close to t
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Conference papers on the topic "Blade angle optimization"

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Ramadan, Aya Hamdy, Mahmoud A. Attia, and Ahmed O. Badr. "Enhancing The Wind Turbine Blade Angle Control Using Pelican Optimization Algorithm." In 2024 25th International Middle East Power System Conference (MEPCON). IEEE, 2024. https://doi.org/10.1109/mepcon63025.2024.10850043.

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DiPalma, Matthew, Etana Ferede, and Farhan Gandhi. "Optimization of Extension-Twist Coupled Composite Blades for High-Speed Rotorcraft." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12881.

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A variable stiffness composite optimization methodology is presented to study the extension-twist coupling capability of composite rotor blades to passively vary the elastic twist distribution as a function of the rotational speed of the rotor. To this end, an optimization framework, with composite laminates as design variables, is implemented to optimize an extension-torsion-coupled composite blade based on the UH-60A Black Hawk. The results show that variation in twist angle of up to 9° can be achieved by reducing the rotor speed by 20% (from 100%NR to 80%NR) using optimized composite lamina
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Mizan, Muhammad, Warjito Warjito, Budiarso Budiarso, and Muhammad Athaya. "Optimization of Nozzle Distance and Coconut Shell Blade Entry Angle in Pico-Scale Turgo Water Turbines: An Experimental Study." In Seminar Nasional Tahunan Teknik Mesin XXII 2024. Badan Kerja Sama Teknik Mesin Indonesia, 2025. https://doi.org/10.71452/590770.

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Wang, Songling, Lei Zhang, Zhengren Wu, and Hongwei Qian. "Optimization Research of Centrifugal Fan with Different Blade Number and Outlet Blade Angle." In 2009 Asia-Pacific Power and Energy Engineering Conference. IEEE, 2009. http://dx.doi.org/10.1109/appeec.2009.4918577.

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Fan, Jiang, Le Han, Rongqiao Wang, Xiuli Shen, Weiwei Zeng, and Zhipeng Chang. "Research on Structural Design and Optimization of Turbine Blade Shroud." In ASME 2012 Gas Turbine India Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gtindia2012-9590.

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An automatic optimization approach for the structural design of turbine blade shroud is presented and applied to the optimal design of a zigzag shroud in this paper. It integrates commercial CAD and CAE softwares into optimization procedure iSIGHT. According to the normal rules of the shroud design and experience, this paper advises a zigzag shroud which is fit for a kind of turbine blade. The parametric model of the shroud is established and the pre-twist angle parameter is taken into consideration. The structural intensity performance of the shroud, which is used to compute the optimal objec
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Sugiura, Masahiko, Masahiro Kanazaki, Makoto Sato, et al. "Blade Shape Optimization of Mars Helicopter Exploring Pit Craters." In Vertical Flight Society 78th Annual Forum & Technology Display. The Vertical Flight Society, 2022. http://dx.doi.org/10.4050/f-0078-2022-17445.

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Pit craters on Mars are assumed to be used as manned exploration bases and it is highly possible that life signature would be discovered there since its temperature is appropriate and it is less affected by radiation. Regarding pit crater exploration, helicopter which can climb and descend quickly is expected to be utilized. This paper introduces blade shape optimization of Mars helicopter exploring pit craters. Definition of a mission, selection of aircraft types, conceptual design, optimization of blade twist angle and airfoil, and rotor test are conducted. As a result, hexa-rotor which has
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Kumar, Makam Praneeth, G. Surya Prakash Rao, and R. Rajesh. "Static and modal analysis of turbine rotor blade at an angle of 21°." In INTERNATIONAL CONFERENCE ON MATHEMATICAL ANALYSIS AND ITS APPLICATIONS 2022 (IConMAA 2022): Analysis, Uncertainty, and Optimization. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0218144.

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Cerri, G., P. Boatto, W. F. O’Brien, and A. Sorrenti. "Optimization of Rotor-Stator-Strut Potential Flow Interaction Including Rotor Feedback Effects." In ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/94-gt-274.

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A method for the optimization of stator blade stagger angles and of strut circumferential position in order to shield a rotor cascade from downstream strut pressure disturbances is presented. Potential flow interaction between rotor, stator and strut rows is analyzed by a boundary integral method for unsteady incompressible 2-D flows, based on singularity superposition over every blade profile. The flow field is solved in terms of velocity, and the pressure field is computed using the unsteady Bernoulli equation. An optimization technique based on a constrained minimization problem is applied;
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Yong You, Decheng Wang, Guanghui Wang, and Jude Liu. "Optimization of Sliding Cutting Angle and Section Shape of the Gashing-Soil Blade." In 2010 Pittsburgh, Pennsylvania, June 20 - June 23, 2010. American Society of Agricultural and Biological Engineers, 2010. http://dx.doi.org/10.13031/2013.29781.

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Podgaietsky, Gabriel, Christian Hermes, and Adriano Francisco Ronzoni. "A FIRST-PRINCIPLES MODEL FOR AXIAL FANS: OPTIMIZATION RESULTS OF BLADE PITCH ANGLE." In 26th International Congress of Mechanical Engineering. ABCM, 2021. http://dx.doi.org/10.26678/abcm.cobem2021.cob2021-1126.

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