Results 21 to 30 of about 31,327 (339)
INFLUENCE OF BLADE AND PROFILE CHARACTERISTICS ON HYDRODYNAMIC EFFICIENCY OF MARINE PROPELLERS
Nauka ta progres transportu, 2017 Purpose.The study involves: 1) formation of 3D propeller models under study; 2) studying of the effect of profiling the blade of the propeller on its hydrodynamic characteristics; 3) development of a methodology for specifying optimal project parameters ...
Y. M. Korol, O. M. Kornelyuk
doaj +1 more source
The rotor as a sensor – observing shear and veer from the operational data of a large wind turbine [PDF]
Wind Energy ScienceThis paper demonstrates the observation of wind shear and veer directly from the operational response of a wind turbine equipped with blade load sensors.
M. Bertelè +7 more
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Blade profile optimization of pump as turbine [PDF]
Advances in Mechanical Engineering, 2015 One major focus on the performance researches of pump as turbine is how to enhance the efficiency of energy recovery. While the key point of increasing the efficiency is to improve the performance of the blade profile which is structural basis of the blade geometry. This article presents an optimization method for the blade profile.
Sen-chun Miao +3 more
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Cell specific analysis of Arabidopsis leaves using fluorescence activated cell sorting [PDF]
, 2012 After initiation of the leaf primordium, biomass accumulation is controlled mainly by cell proliferation and expansion in the leaves1. However, the Arabidopsis leaf is a complex organ made up of many different cell types and several structures.
Buchanan-Wollaston, Vicky +4 more
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TO THE OPTIMUM DESIGN OF THE AXIAL MULTI-STAGE COMPRESSOR
Авіаційно-космічна техніка та технологія, 2017 The work is devoted to the development of an integrated approach to the aerodynamic improvement of the blade vanes of multistage axial compressors of gas turbine engines.
Владимир Петрович Герасименко +1 more
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Авіаційно-космічна техніка та технологія, 2022 This article presents the structure of designing and modeling the flow of rotors and pusher propellers in a highly rarefied atmosphere. The aerodynamic characteristics of an airfoil are key factors in determining design accuracy and performance ...
Mykola Kulyk +4 more
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Large scale optimization of transonic axial compressor rotor blades [PDF]
, 2008 [First Paragraphs] In the present work the Multipoint Approximation Method (MAM) by Toropov et al. (1993) has been applied to the shape optimization of an existing transonic compressor rotor (NASA rotor 37) as a benchmark case.
Polynkin, A., Shahpar, S., Toropov, V.
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Trailing edge noise computation of a fan blade profile [PDF]
The Journal of the Acoustical Society of America, 2008 In problem involving noise generated by fans or high-lift devices in uniform stationary flow, trailing edge noise has a primary interest. This paper proposes to study the trailing edge noise produced by a Controlled-Diffusion (CD) airfoil specially developed for automotive engine cooling by Valeo.
Christophe, Julien +2 more
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Hydrodynamic Analysis of a Marine Current Energy Converter for Profiling Floats
Energies, 2018 With the continuous improvement of people’s interest in ocean exploration, research on deep-water profiling floats has received more and more attention. Energy supply is the key factor that restricts the working hours of deep-water floats. For this
Shuang Wu, Yanjun Liu, Qi An
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CCD-based imaging and 3D space--time mapping of terahertz fields via Kerr frequency conversion [PDF]
, 2013 We investigate the spatially and temporally resolved four-wave mixing of terahertz (THz) fields and optical pulses in large-bandgap dielectrics, such as diamond. We show that it is possible to perform beam profiling and space–time resolved mapping of THz
Chan +25 more
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