Preliminary Determination of Propeller Aerodynamic Characteristics for Small Aeroplanes
Conducting a preliminary determination of the propeller thrust and power coefficients depending on the predetermined relationship with the help of representative geometrical parameters of the blade at a certain radius. Evaluation of nonlinear influence.
Подобные документы
- 26. Mathematical model of nanostructured processing based on parts of nonlinear dissipative oscillator
Model of nanostructured finishing and improving surface treatment of machine parts based on nonlinear dissipative oscillator, allowing to define the bifurcation parameters of frictional force and speed of loading of the material of the surface layer.
статья, добавлен 29.07.2016 The structure of the intelligent diagnostic system for power transformer equipment. The use of zeolite as a "drier" in the molecular sieve. Parameters of the moisture management system. Dehumidification of the insulation of oil-filled transformers.
статья, добавлен 10.12.2024Use of synchronous electric machines at power plants as generators, in industrial installations as traction motors. Adjustment of the power range and rotation frequencies of synchronous machine mechanisms: compressors, pumps, fans, diesel generators.
статья, добавлен 07.12.2024The theoretical analysis of the temperature dependences in linear voltammetry in this communacation for reversible and totally irreversible electrochemical processes. Features of studing means of linear voltammetry technique in sulfare solutions.
статья, добавлен 27.07.2016Determination of wind speed in the building area using computational fluid dynamics. Analysis of wind flows on hiking trails. Calculation of the temperature depending on the strength of the wind and solutions to improve the comfort of the environment.
статья, добавлен 29.09.2021Presents methods for evaluation and improvement of output quality of an autonomous power supply system. Characteristic of the output impedance of a switching voltage regulator. Research and analysis features of the process setup for measuring impedance.
статья, добавлен 24.05.2018Principles of construction of a monitoring system. Appearance of the reflectometer ALIMP. Application of the complex modulated signals. Algorithms of processing of the information. Block scheme of power lines monitoring on the basis of the devices ALIMP.
статья, добавлен 08.05.2013The concept of influence of protons on superconductivity and the ideas for determination of superconducting materials with 200K. A superconducting impurity in some layered phases. The study sample with an optimal interlayer electrostatic potential.
статья, добавлен 27.07.2017Study of heavy and superheavy nuclei. Small sectional synthesis SHN. Analysis of the height of the static fission barriers Bfst of heavy nuclei at the single particle. Determination of the energy of the odd nucleon. Static barrier spontaneous fission.
статья, добавлен 06.11.2013Relations are proposed that make it possible to estimate the influence of errors in the vector measurement on the accuracy of the matrix algorithm TRIAD. The connection between algebraic and geometric methods of error analysis has been achieved.
статья, добавлен 22.12.2016Small stationary receptive fields of visually sensitive neurons which undergo significant expansions by application of moving visual stimuli. Receptive field characteristics investigated in relation to the shapes and sizes of applied visual stimuli.
статья, добавлен 07.12.2018Conducting anhydrous nitriding in a glow discharge with AC power supply of industrial frequency. Analysis of switching the shape of pulses, changes in their polarity, which is solved by the introduction of a device for nitriding in a glow discharge.
статья, добавлен 03.06.2022An analysis of the methodology for identifying the modal parameters of a dynamic system of structures using the Kalman filter, which is a powerful tool of modern control theory. Evaluation of the effectiveness of the method for identifying the structure.
статья, добавлен 24.07.2018Mechanical Testing of Polymeric Composites for Aircraft Applications: Standards, Requirements, Limitations. Analyze of Dependence of elastic deformation of the testing machine at the preliminary testing to exclude this deformation from the testing data.
статья, добавлен 28.07.2017Analysis of the working analytical relations describing the focal length of the axicon and its dependence on different geometrical parameters as well as the torsion moment has been derived. Review and characterization describe a gradient-index axicon.
статья, добавлен 29.01.2016Biefeld-Brown effect. Preliminary experiments at Army Research Laboratory. Previously proposed explanations for the Biefeld-Brown force. Ionic wind and the ion drift picture: scaling theory of force. Thermodynamic analysis of the Biefeld-Brown force.
статья, добавлен 11.09.2012Research of the main sources of electricity production, as well as their advantages and disadvantages. Characteristics of prospects for the development of solar power plants. Consideration of the main types and methods of installation of stations.
статья, добавлен 26.10.2020The energy industry is energy, which includes generation, transmission and distribution of electricity. Thermal power plant is a power plant producing electrical energy by converting chemical energy. Nuclear power plant is a complex of necessary systems.
статья, добавлен 19.02.2019Study of spectral characteristics of layered chiral media using the method of matrix distribution. The calculation of the coefficients of transmission and reflection of linearly polarized electromagnetic wave on the structure of planar chiral layers.
статья, добавлен 29.07.2016- 45. Influence of low-frequency electromagnetic radiation on the complement system (experimental study)
Determination of the state of the complement system under conditions of exposure to low-frequency electromagnetic radiation on the body of rats under experimental conditions. Replace in membrane potential and disruption of nerve cell conduction.
статья, добавлен 12.05.2024 Analysis of the factors influencing the forecasting of electricity consumption by a machine-building enterprise. Evaluation of factors affecting electricity, based on the method of expert assessment. Determining them by constructing a correlation matrix.
статья, добавлен 22.02.2023Analysis of features of the power system of organism. Essence of concept is a "biofield". Life as continuous process of absorption of energy of different kinds and different values. Biological aspects of influence of the electromagnetic fields on a man.
реферат, добавлен 08.11.2012Analysis of the spectroscopic characteristics of interstellar matter. Relationship with the origin of the diffuse interstellar bands, consideration of the basic features. Meeting with relationships and comparison stars, particularities of the study.
контрольная работа, добавлен 17.10.2013Correlation between the central surface density of dark matter haloes and the halo core radius of galaxy and galaxy recently studied on a wide range of scales. The column density within the halo characteristic radius. The model and the S-M relation.
статья, добавлен 17.10.2013Types of wind power stations: ground, coastal, offshore, floating. The principle of operation of wind parks, transportation of resulting electricity through a power cabinet located on the basis of a wind power plant. Terms of construction of wind farms.
презентация, добавлен 16.05.2018