Results 21 to 30 of about 31,063 (340)
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
openaire +2 more sources
Data Provenance and Management in Radio Astronomy: A Stream Computing Approach [PDF]
, 2011 New approaches for data provenance and data management (DPDM) are required for mega science projects like the Square Kilometer Array, characterized by extremely large data volume and intense data rates, therefore demanding innovative and highly efficient
Biem, Alain +4 more
core +2 more sources
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
doaj +1 more source
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
doaj +1 more source
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
openaire +2 more sources
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
doaj +1 more source
Section properties of palm petioles, Part 1: The influence of section shape on the flexural and torsional properties of selected palm petioles [PDF]
, 2008 Shape factors have been used to calculate the shape efficiency of palm leaf petiole sections in order to understand how palms compensate for the torsional and bending forces put upon them by their environment.
Atherton, MA +3 more
core +1 more source
Sub-wavelength terahertz beam profiling of a THz source via an all-optical knife-edge technique [PDF]
, 2015 Terahertz technologies recently emerged as outstanding candidates for a variety of applications in such sectors as security, biomedical, pharmaceutical, aero spatial, etc. Imaging the terahertz field, however, still remains a challenge, particularly when
A Adam +21 more
core +3 more sources
Investigation of Inlet Guide Vane Efficiency in Centrifugal Compressors for the Turbo Refrigeration Machines [PDF]
Problems of the Regional EnergeticsThe article investigates the influence of geometric parameters of inlet guide vanes (IGVs), including blade profiling and design features, on their operational efficiency.
Danilishin A.M. +3 more
doaj +1 more source
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.
core +1 more source