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Tytuł:
Spatial Thermo-Mechanical Model of Mushy Steel Deformation Based on the Finite Element Method
Autorzy:
Hojny, M.
Dębiński, T.
Głowacki, M.
Nguyen, Trang Thi Thu
Powiązania:
https://bibliotekanauki.pl/articles/1837697.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
thermo-mechanical model
steel sample
numerical modelling
physical simulation
model termomechaniczny
stal
modelowanie numeryczne
symulacja fizyczna
Opis:
The paper reports the results of work leading to the construction of a spatial thermo-mechanical model based on the finite element method allowing the computer simulation of physical phenomena accompanying the steel sample testing at temperatures that are characteristic for the soft-reduction process. The proposed numerical model is based upon a rigid-plastic solution for the prediction of stress and strain fields, and the Fourier-Kirchhoff equation for the prediction of temperature fields. The mushy zone that forms within the sample volume is characterized by a variable density during solidification with simultaneous deformation. In this case, the incompressibility condition applied in the classic rigid-plastic solution becomes inadequate. Therefore, in the presented solution, a modified operator equation in the optimized power functional was applied, which takes into account local density changes at the mechanical model level (the incompressibility condition was replaced with the condition of mass conservation). The study was supplemented with examples of numerical and experimental simulation results, indicating that the proposed model conditions, assumptions, and numerical models are correct.
Źródło:
Archives of Foundry Engineering; 2021, 21, 2; 17-28
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Artificial Neural Networks in the Analysis of Mechanisms Destroying Forging Tools
Autorzy:
Hawryluk, M.
Mrzygłód, B.
Gronostajski, Z.
Głowacki, M.
Olejarczyk-Wożeńska, I.
Powiązania:
https://bibliotekanauki.pl/articles/353528.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
decision support system
durability of forging tools
artificial neural network
loss of material
wear
Opis:
This article discusses the results of studies using the developed artificial neural networks in the analysis of the occurrence of the four main mechanisms destroying the selected forging tools subjected to five different surface treatment variants (nitrided layer, pad welded layer and three hybrid layers, i.e. AlCrTiSiN, Cr/CrN and Cr/AlCrTiN). Knowledge of the forging tool durability, needed in the process of artificial neural network training, was included in the set of training data (about 800 records) derived from long-term comprehensive research carried out under industrial conditions. Based on this set, neural networks with different architectures were developed and the results concerning the intensity of the occurrence of thermal-mechanical fatigue, abrasive wear, mechanical fatigue and plastic deformation were generated for each type of the applied treatment relative to the number of forgings, pressure, friction path and temperature.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 1; 193-200
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Multiscale Model of Heating-Remelting-Cooling in the Gleeble 3800 Thermo-Mechanical Simulator System
Autorzy:
Hojny, M.
Głowacki, M.
Bała, P.
Bednarczyk, W.
Zalecki, W.
Powiązania:
https://bibliotekanauki.pl/articles/353788.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
DEFFEM package
finite element method
Monte Carlo method
physical simulation
computer simulation
mushy-zone
extra-high temperatures
Opis:
The paper presents a multi-scale mathematical model dedicated to a comprehensive simulation of resistance heating combined with the melting and controlled cooling of steel samples. Experiments in order to verify the formulated numerical model were performed using a Gleeble 3800 thermo-mechanical simulator. The model for the macro scale was based upon the solution of Fourier-Kirchhoff equation as regards predicting the distribution of temperature fields within the volume of the sample. The macro scale solution is complemented by a functional model generating voluminal heat sources, resulting from the electric current flowing through the sample. The model for the micro-scale, concerning the grain growth simulation, is based upon the probabilistic Monte Carlo algorithm, and on the minimization of the system energy. The model takes into account the forming mushy zone, where grains degrade at the melting stage – it is a unique feature of the micro-solution. The solution domains are coupled by the interpolation of node temperatures of the finite element mesh (the macro model) onto the Monte Carlo cells (micro model). The paper is complemented with examples of resistance heating results and macro- and micro-structural tests, along with test computations concerning the estimation of the range of zones with diverse dynamics of grain growth.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 1; 401-412
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of an Approximation Model of Selected Properties of Model Materials Used for Simulations of Bulk Metal Plastic Forming Processes Using Induction of Decision Trees
Autorzy:
Hawryluk, M.
Wilk-Kołodziejczyk, D.
Regulski, K.
Głowacki, M.
Powiązania:
https://bibliotekanauki.pl/articles/351927.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
regression tree induction
properties approximation
physical modelling
soft model materials
Opis:
The article discusses the development of an approximation model of selected plastic and mechanical properties obtained from compression tests of model materials used in physical modeling. The use of physical modeling with the use of soft model materials such as a synthetic wax branch with various modifiers is a popular tool used as an alternative or verification of numerical modeling of bulk metal forming processes. In order to develop an algorithm to facilitate the choice of material model to simulate the behavior of real-metallic materials used in industrial production processes the induction of decision trees was used. First of all, the Statistica program was used for data mining, which made it possible to determine / find the relationship between the percentage of particular constituents of the model material (base material and modifiers) and yield strength, critical and maximum strain, and provide the opportunity to indicate the most important variables determining the shape of the stress - strain curve. Next, using the induction of decision trees, an approximation model was developed, which allowed to create an algorithm facilitating the selection of individual modifying components. The last stage of the research was verification of the correctness of the developed algorithm. The obtained research results indicate the possibility of using decision tree induction to approximate selected properties of modeling materials simulating the behavior of real materials, thus eliminating the need for costly and time-consuming experiments carried out on metallic material.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 3; 1073-1085
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Methodology of Analysis on Geometrical Changes of a Mixed Zone in Resistance-Heated Samples
Autorzy:
Dębiński, T.
Głowacki, M.
Hojny, M.
Powiązania:
https://bibliotekanauki.pl/articles/353320.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
mixed zone
resistance heating
computer simulation
visualization
computational geometry
Opis:
The article presents the use of computer graphics methods and computational geometry for the analysis on changes of geometrical parameters for a mixed zone in resistance-heated samples. To perform the physical simulation series of resistance heating process, the Gleeble 3800 physical simulator, located in the Institute for Ferrous Metallurgy in Gliwice, was used. The paper presents a description of the test stand and the method for performing the experiment. The numerical model is based on the Fourier-Kirchoff differential equation for unsteady heat flow with an internal volumetric heat source. In the case of direct heating of the sample, geometrical parameters of the remelting zone change rapidly. The described methodology of using shape descriptors to characterise the studied zone during the process allows to parametrise the heat influence zones. The shape descriptors were used for the chosen for characteristic timing steps of the simulation, which allowed the authors to describe the changes of the studied parameters as a function of temperature. Additionally, to determine the impact of external factors, the remelting zone parameters were estimated for two types of grips holding the sample, so-called hot grips of a shorter contact area with the sample, and so-called cold grips. Based on the collected data, conclusions were drawn on the impact of the process parameters on the localisation and shape of the mushy zone.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 4; 1463-1470
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Lutetium Co-Doping on the Main Dosimetric Peak of YAP:Mn²⁺ Thermoluminescent Detectors
Autorzy:
Zhydachevskyy, Ya.
Głowacki, M.
Martynyuk, N.
Ubizskii, S.
Berkowski, M.
Suchocki, A.
Powiązania:
https://bibliotekanauki.pl/articles/1030950.pdf
Data publikacji:
2018-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.55.Hx
Opis:
An effect of lutetium co-doping on photoluminescent and thermoluminescent properties of the Mn²⁺-doped (Lu-Y)AP crystals (with Lu content from 0 to 20% with respect to Y) grown by the Czochralski technique has been studied. It was found that the maximum of the thermoluminescent peak at 200°C is shifted towards higher temperatures at Lu content more than 5%. At the same time the position of the second thermoluminescent peak near 350°C remains unchanged. The observed changes in the thermoluminescent peak position are discussed in terms of the point defects of the material.
Źródło:
Acta Physica Polonica A; 2018, 133, 4; 973-976
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Internetowa baza wiedzy do klasyfikacji dyni
The Internet database to pumpkin classification
Autorzy:
Sojak, M.
Glowacki, S.
Tulej, W.
Brys, A.
Powiązania:
https://bibliotekanauki.pl/articles/808432.pdf
Data publikacji:
2018
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Opis:
Artykuł przedstawia opracowanie bazy wiedzy do klasyfikacji dyni ze względu na jej przeznaczenie rynkowe. Baza została oparta na technologii internetowej wykorzystującej PHP oraz MySQL. W języku PHP napisano oprogramowanie do generowania dynamicznych stron internetowych. System MySQL posłużył do posadowienia danych w relacyjnej bazie danych. Zaproponowano także pakiet WAMP do zarządzania i obsługi bazy wiedzy. Celem pracy było stworzenie bazy wiedzy, która w przeciwieństwie do typowej bazy wiedzy wchodzącej w skład systemu ekspertowego jest autonomiczną aplikacją. Zapewnienia ona równoczesny dostęp nieograniczonej grupie użytkowników, bowiem oparta jest na serwerze wielodostępowym i wielowątkowym. Zadaniem stworzonej aplikacji jest wspomaganie szybkiego podejmowania decyzji w przedsiębiorstwach przetwórstwa owoców i warzyw.
This paper focuses on creating a database of information regarding pumpkins. It contains information of all species and varieties, their wide application in food, feed, medical and cosmetic industries as well as gives guidelines of its use as an ornamental plant. This database is created as a relational database, which means that information is divided to particular relationships and each of them contains different content. These relationships are interrelated and depending on the choice of search, appropriate information can be found. “Pumpkin database” was created using PHP and MySQL. PHP is a popular programming language designed mainly to generate dynamic web pages for searching information and MySQL is a relational database management system (RDBMS – Relational Database Management System). They are both multi-platform tools, they can be run on operating systems such as Windows and Linux, they are free software’s and cooperate with each other. Aforementioned programs gave the possibility of creating a database available to any user using a computer connected to the Internet. Some users are granted with advanced user rights and are able to insert new information regarding pumpkins or modify already existing content without the obligation of MySQL knowledge. For the need of this paper the created database was named “pumpkinbase” (pol. bazadynia). The created database is a standalone application in contrast to the typical knowledge base forming part of an expert system. It is based on web technology thanks to PHP. Dynamic generation of web pages is based on scripts using three languages: PHP, HTML and SQL. Web page was written in HTML, and PHP code generates this page. To communicate with the database SQL language was used but the queries are generated by PHP. PHP language is a connecting element for HTML and SQL, which themselves are not compatible with each other. The database related on MySQL and HTML gives the ability for quick verification and information update, e.g. about the pumpkin species. For the convenient use of “pumpkinbase” WAMP application was proposed, which consists of aforementioned software’s and programming languages. Thereby users of the database do not need programming skills to update the content of information regarding pumpkins. This database can help to increase the dissemination of knowledge about pumpkins, which may result in increased interest in this particular vegetable by farmers and producers of healthy food.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2018, 592
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Photoluminescence and thermoluminescence of the oxygen-deficient YAG, YAP, and YAM phosphors
Autorzy:
Zhydachevskyy, Ya.
Kamińska, I.
Glowacki, M.
Kilian, A.
Ubizskii, S.
Bilski, P.
Berkowski, M.
Fronc, K.
Elbaum, D.
Suchocki, A.
Powiązania:
https://bibliotekanauki.pl/articles/1052780.pdf
Data publikacji:
2018-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.55.Hx
Opis:
Photoluminescence and thermoluminescence of the oxygen-deficient Y₃Al₅O₁₂ (YAG), YAlO₃ (YAP) and Y₄Al₂O₉ (YAM) ceramics has been studied. Corresponding ceramic samples prepared by the same way however in oxidizing conditions (in air) were studied for comparison. The observed luminescent properties of the materials are related to the F-type centers created on the basis of oxygen vacancies, antisite (Y_{Al}) defects and uncontrolled Tb³⁺ impurity ions.
Źródło:
Acta Physica Polonica A; 2018, 133, 4; 977-980
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spatiotemporal changes in the concentration and composition of suspended particulate matter in front of Hansbreen, a tidewater glacier in Svalbard
Autorzy:
Moskalik, M.
Cwiakala, J.
Szczucinski, W.
Dominiczak, A.
Glowacki, O.
Wojtysiak, K.
Zagorski, P.
Powiązania:
https://bibliotekanauki.pl/articles/958169.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
tidewater glacier
suspended particulate matter
particulate organic matter
Hansbreen glacier
Svalbard Fjord
biological process
meteorological condition
oceanographic condition
glacial bay
Źródło:
Oceanologia; 2018, 60, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal bowing of reinforced concrete elements exposed to non-uniform heating
Swobodne wyginanie się elementów żelbetowych pod wpływem nierównomiernego ogrzewania
Autorzy:
Kowalski, R.
Głowacki, M.
Wróblewska, J.
Powiązania:
https://bibliotekanauki.pl/articles/230904.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
belka żelbetowa
temperatura wysoka
pożar
ugięcie
wyginanie termiczne
gradient temperatury
reinforced concrete beam
high temperature
fire
deflection
thermal bowing
temperature gradient
Opis:
The paper presents the test description and results of thermal bowing of RC beams exposed to non-uniform heating at high temperature. Bending of a non-uniformly heated element is caused by free thermal elongation of the material it is made of. The higher the temperature gradient, the greater the bending. In the case when an element is exposed to load and high temperature simultaneously, apart from free bending also deformation of the RC element may occur, which is caused by the decrease of the concrete or reinforcing steel mechanical properties. In order to examine the contribution of the deflection caused by thermal bowing to the total deformation of the bent element with a heated tension zone, an experimental study of freely heated (unloaded) beams was performed. RC beams were heated: (1) on three sides of the cross-section or (2) only on the bottom side. Deflection of elements loaded by a substitute temperature gradient was calculated using the Maxwell-Mohr formula. The test results show that deflection of freely heated RC beams (caused by the thermal bowing phenomenon) can be 10 to 20% of the total deflection of loaded RC beams with a heated tension zone.
W artykule przedstawiono opis i wyniki badań swobodnego wyginania się belek żelbetowych narażonych na nierównomierne ogrzewanie w temperaturze pożarowej. Elementy żelbetowe ogrzewane nierównomiernie wyginają się na skutek swobodnej wydłużalności termicznej materiału, a wygięcie jest tym większe, im większy jest gradient temperatury w przekroju. W literaturze zjawisko to jest nazywane thermal bowing. Zachodzi ono niezależnie od obciążenia elementu. W statycznie niewyznaczalnych elementach zginanych może ono powodować powstawanie dodatkowych sił wewnętrznych, a w elementach ściskanych (słupach) zwiększenie mimośrodu siły podłużnej. W elementach wytężonych podczas ogrzewania, oprócz swobodnego wyginania się powstają jeszcze deformacje spowodowane pogorszeniem właściwości mechanicznych betonu lub stali. W celu określenia, jaką część całkowitej deformacji wytężonego elementu ogrzewanego nierównomiernie od strony strefy rozciąganej może stanowić ugięcie wywołane zjawiskiem thermal bowing, przeprowadzono badania wyginania się nieobciążonych belek żelbetowych. W sumie zbadano siedem belek o przekroju 160 x 200 mm, długości 1300 mm, wykonanych z betonu klasy C35/45 z kruszywem żwirowym (krzemianowym). Średnia wytrzymałość betonu na ściskanie oznaczona na próbkach sześciennych o boku 150 mm wynosiła odpowiednio 46,3 MPa - po 28 dniach od zabetonowania oraz 60,8 MPa - po około 4 miesiącach (przed przystąpieniem do badań). Średnia granica plastyczności stali określona eksperymentalnie wynosiła 560 MPa.
Źródło:
Archives of Civil Engineering; 2018, 64, 4/I; 247-264
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of ADI Ductile Cast Iron with Single Addition of 1.56% Ni
Autorzy:
Mrzygłód, B.
Kowalski, A.
Olejarczyk-Wożenska, I.
Giętka, T.
Głowacki, M.
Powiązania:
https://bibliotekanauki.pl/articles/352389.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ductile iron
heat treatment
structure of ADI
ADI properties
Opis:
The results of examinations of microstructure and an analysis of its impact on selected mechanical properties of austempered ductile iron (ADI) were presented in the paper. The ADI was produced from the ductile iron containing 1.56% Ni only alloying addition. The effect of the austempering time and temperature on the microstructure and mechanical properties of the examined cast iron was considered. Constant conditions of austenitizing were assumed and six variants of the austempering treatment were adopted. The studyof mechanical properties included a static tensile test, Charpy impact strength test and Brinellhardness measurement. This work complements the knowledge about alloying additions effect on microstructure and mechanical properties of ADI and focuses on the impact of a single alloying element (Ni).
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 4; 2273-2280
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examination of Sol-Gel Derived Hydroxyapatite Enhanced with Silver Nanoparticles using OCT and Raman Spectroscopy
Autorzy:
Głowacki, M. J.
Gnyba, M.
Strąkowska, P.
Gardas, M.
Kraszewski, M.
Trojanowski, M.
Strąkowski, M. R.
Powiązania:
https://bibliotekanauki.pl/articles/221475.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hydroxyapatite
sol-gel
nanoparticles
Raman spectroscopy
optical coherence tomography (OCT)
Opis:
Hydroxyapatite (HAp) has been attracting widespread interest in medical applications. In a form of coating, it enables to create a durable bond between an implant and surrounding bone tissues. With addition of silver nanoparticles HAp should also provide antibacterial activity. The aim of this research was to evaluate the composition of hydroxyapatite with silver nanoparticles in a non-destructive and non-contact way. For control measurements of HAp molecular composition and solvent evaporation efficiency the Raman spectroscopy has been chosen. In order to evaluate dispersion and concentration of the silver nanoparticles inside the hydroxyapatite matrix, the optical coherence tomography (OCT) has been used. Five samples were developed and examined ‒ a reference sample of pure HAp sol and four samples of HAp colloids with different silver nanoparticle solution volume ratios. The Raman spectra for each solution have been obtained and analyzed. Furthermore, a transverse-sectional visualization of every sample has been created and examined by means of OCT.
Źródło:
Metrology and Measurement Systems; 2017, 24, 1; 153-160
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mathematical Model of Bainitic Transformation in Austempered Ductile Iron
Autorzy:
Olejarczyk-Wożeńska, I.
Adrian, H.
Mrzygłód, B.
Głowacki, M.
Powiązania:
https://bibliotekanauki.pl/articles/380252.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
phase transformations modelling
austenite ferrite transformation
ADI cast iron
TTT diagram
przemiany fazowe
transformacja austenityczna
żeliwo ADI
diagram TTT
Opis:
A mathematical model of austenite - bainite transformation in austempered ductile cast iron has been presented. The model is based on a model developed by Bhadeshia [1, 2] for modelling the bainitic transformation in high-silicon steels with inhibited carbide precipitation. A computer program has been developed that calculates the incubation time, the transformation time at a preset temperature, the TTT diagram and carbon content in unreacted austenite as a function of temperature. Additionally, the program has been provided with a module calculating the free energy of austenite and ferrite as well as the maximum driving force of transformation. Model validation was based on the experimental research and literature data. Experimental studies included the determination of austenite grain size, plotting the TTT diagram and analysis of the effect of heat treatment parameters on the microstructure of ductile iron. The obtained results show a relatively good compatibility between the theoretical calculations and experimental studies. Using the developed program it was possible to examine the effect of austenite grain size on the rate of transformation.
Źródło:
Archives of Foundry Engineering; 2017, 17, 4; 200-206
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena poziomu koordynacji wzrokowo-ruchowej u kobiet w różnym wieku
Eye-hand coordination amongst women at different age
Autorzy:
Florkiewicz, B.
Glowacki, T.
Zwierko, M.
Michalak, T.
Powiązania:
https://bibliotekanauki.pl/articles/13027.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Szczeciński
Źródło:
Aktywność Ruchowa Ludzi w Różnym Wieku; 2017, 2[34]
2299-744X
Pojawia się w:
Aktywność Ruchowa Ludzi w Różnym Wieku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some Dynamic Aspects of Photogrammetry Missions Performed by “PW-ZOOM” – The UAV of Warsaw University of Technology
Autorzy:
Rodzewicz, M.
Głowacki, D.
Hajduk, J.
Powiązania:
https://bibliotekanauki.pl/articles/139834.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
UAV
unmanned aircraft
photogrammetry mission
orthophotomaps
bezzałogowy statek powietrzny
misja fotogrametryczna
ortofotomapa
Opis:
The article presents the analyses of the flights carried out the by the Unmanned Aerial Vehicle (UAV) named PW-ZOOM used to perform a photogrammetric mission and monitoring of fauna in Antarctic areas. The analyses focus on the deviations of the optical axis of the photo-camera which occurred during photogrammetric flights carried out on the same route but during several Antarctic expeditions performed in subsequent years (2014 and 2015). The results were subjected to correlation tests with weather conditions (wind speed and variability). The basis for these analyses are the data from the onboard signal recorder integrated with an autopilot.
Źródło:
Archive of Mechanical Engineering; 2017, LXIV, 1; 37-55
0004-0738
Pojawia się w:
Archive of Mechanical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 83

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