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Search results for: skaning laserowy
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Fracture mechanics model of cutting power versus widespread regression equations while wood sawing with circular saw blades
PublicationA comparison of the theoretical cutting power consumption results forecasted with the model (FM_CM model) which include work of separation (fracture toughness) in addition to plasticity and friction, and two widespread regression equations while wood sawing with circular saw blades has been described. in and cutting power consumption forecasted. In computations of the cutting power consumption during rip sawing of Scots pine wood...
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Sawdust size distribution analysis of thermally modified and unmodified oak wood sawed on the frame sawing machine PRW15-M
PublicationW pracy przedstawiono wyniki analizy granulometrycznej składu wiórów drewna dębowego niemodyfikowanego i modyfikowanego termicznie uzyskanych podczas piłowania na pilarce ramowej PRW15-M z prędkością posuwu 1.67 mmin-1. Otrzymane trociny termicznie modyfikowanego drewna dębowego składają się z wiórów o ziarnistości w przedziale od 44.7 mm do 4.6 mm, podczas gdy dla drewna niemodyfikowanego zaobserwowano zmiany ziarnistości w granicach...
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Economical wood sawing with circular saw blades of a new design (Ekonomicno piljenje drva kruznom pilom novog dezajna)
PublicationMaterial-saving and energy-saving belong to the basic requirements imposed on contemporary manufacturing processes. The realization of these processes gives measurable profi ts, not only economical butalso ecological. In the case of wood sawing with circular saw blades, material- and energy-savings are dependent on total overall set of teeth (theoretical kerf) and teeth position accuracy in relation to the workpiece. Hence, it...
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Problemy modelowania własności wytrzymałościowych stalowych konstrukcji typu ''sandwich''
PublicationW pracy omówiono wyniki badań zmęczeniowych stalowych, laserowo spawanych konstrukcji typu sandwich. Na ich tle uogólniono mechanizmy niszczenia takich konstrukcji. Dla wybranego modelu niszczenia przedstawiono wyniki badań elementarnego połączenia spawanego laserowo.
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Prolonged head down bed rest-induced inactivity impairs tonic autonomic regulation while sparing oscillatory cardiovascular rhythms in healthy humans
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Radiation dose distributions in three dimensions from tomographic optical density scanning of polymer gels: II. Optical properties of the BANG polymer gel
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What do we learn from alternative forms of shaping housing environment? = Czego uczą nas alternatywne formy kształtowania środowiska mieszkaniowego?
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Mn-Co spinel coatings on Crofer 22 APU by electrophoretic deposition: Up scaling, performance in SOFC stack at 850 °C and compositional modifications
PublicationCeramic coatings for metallic interconnects play a key role in limiting corrosion and chromium evaporation in solid oxide cells. This study presents the upscaling of the electrophoretic deposition (EPD) technique to process Mn-Co spinels on real-dimension Crofer 22 APU interconnects and the test in a SOFC stack. Area specific resistance of long-term test conducted for 5000 h at 850 °C demonstrated that two-steps sintering has a...
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Daniel Chuchała dr hab. inż.
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Mariusz Figurski prof. dr hab. inż.
PeopleMariusz Józef Figurski (born 27 April 1964 in Łasinie, Poland) - Polish geodesist, professor of technical sciences, professor at the Gdańsk University of Technology. Early life and education He passed the matriculation examination in 1983 after he had finished Jan III Sobieski High school in Grudziądz. He graduated the Military University of Technology on an individual mode at the Faculty of Electromechanics and Civil Engineering...
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Detailed results of shaping personnel risk factors in enterprise C
Open Research DataThe data presents the shape of all the researched personnel risk factors in the C enterprise (which was tested by the author). Further considerations should be started with the presentation of the synthesis of the obtained results, which is presented in this research data.
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Detailed results of shaping personnel risk factors in enterprise D
Open Research DataThe data presents the shape of all the researched personnel risk factors in the D enterprise (which was tested by the author). Further considerations should be started with the presentation of the synthesis of the obtained results, which is presented in this research data.
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Detailed results of shaping personnel risk factors in enterprise B
Open Research DataThe data presents the shape of all the researched personnel risk factors in the B enterprise (which was tested by the author). Further considerations should be started with the presentation of the synthesis of the obtained results, which is presented in this research data.
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Video traffic data - Interchange Skawina (A4-44), Poland
Open Research DataThe data includes video traffic data registered with 5 video cameras at entry and exit lanes of the Skawina interchange within A4 motorway in Poland (interchange of motorway A4 and national road 44), located in the Krakow Agglomeration. The data covers the one day: 31.08.2017 (motorway A4).
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Mikołaj Miśkiewicz dr hab. inż.
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Kazimierz Orłowski prof. dr hab. inż.
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Architecture, Urban Planing, Interior Design
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Modes of Failure Analysis in Reinforced Concrete Beam Using Laser Scanning and Synchro-Photogrammetry - How to apply optical technologies in the diagnosis of reinforced concrete elements?
PublicationThe following paper reveal the limitations and possibilities of terrestrial laser scanning technology adaptation in diagnostics of reinforced concrete beams. In this paper, authors present potential spectrum of TLS use in modes of failure analysis of R-C beams and determines under which conditions the laser technologies might be applied. Research was carried out at the Regional Laboratory of Structural Engineering at Gdansk University...
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Analysis of specific cutting resistance while cutting frozen pine blocks with narrow-kerf stellite tipped saws on frame sawing machines.
PublicationPrzedstawiono wyniki analizy oporów skrawania drewna zmrożonego podczas przecierania pryzm sosnowych na pilarce ramowej za pomocą cienkich pił. Badania prowadzono dla temperatur drewna -5 st. C, -20 st. C oraz dla porównania w temperaturze +18 st. C. Wilgotność drewna wynosiła 30%. Zaobserwowano znaczacy wzrost oporów skrawania wraz ze spadkiem jego temperatury.
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Hydrostatic drives as safe and energy saving machines. The drive investigation method compatible diagram of power increase opposite to the direction of power flow
PublicationProjektanci i producenci napędu hydrostatycznego nie dysponują możliwością dokładnego określania jego sprawności energetycznej zmieniającej się szeroko w polu pracy napędzanego urządzenia a więc w pełnym zakresie zmiany prędkości i obciążenia silnika hydraulicznego oraz lepkości zastosowanego czynnika roboczego. Dotyczy to zarówno określania strat i sprawności maszyn wyporowych (pompy i silnika hydraulicznego) zastosowanych w układzie...
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Influence of drying mode and feed per tooth rate on the fine dust creation in pine and beech sawing on a mini sash gang saw
PublicationThe experimental results of the study focused on the effect of drying processes of modified air drying and warm air steam mixture drying of pine and beech wood on the size of sawdust particles created in cutting using PRW-15M sash gang saw, are presented in the paper. Particle size analysis of dry sawdust was performed using two methods—sieving method and laser diffraction analysis. The results showed that the drying process did...
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Chokeberry Pomace as a Component Shaping the Content of Bioactive Compounds and Nutritional, Health-Promoting (Anti-Diabetic and Antioxidant) and Sensory Properties of Shortcrust Pastries Sweetened with Sucrose and Erythritol
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Comparing radioactive tracers 18F-FDG and 18F-FLT in the staging of diffuse large B-cell lymphoma by PET/CT examination: A single-center prospective study
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Automated Analysis of Images from Confocal Laser Scanning Microscopy Applied to Observation of Calcium Channel Subunits in Nerve Cell Model Line Subjected Electroporation and Calcium
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Connected & Automated Urban Mobility, Zombie Cars and Kitchen Knives: Will Autonomous Automobiles, Self-Driving Car-Sharing and Ride-Hailing, and Driverless Shuttles Harm Cities?
PublicationThere is a deficiency of supportive evidence to verify thesis that cities are prepared for mobility revolution which already begun and will advance exponentially. Furthermore, present revisions mostly emphasize how emerging mobility solutions will alter transport efficiency or affect mass transit usage, rather than on urban morphology, metropolitan society, nor local communities. Author is thoroughly concerned that municipalities...
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Toward Mechanosynthesis of Diamondoid Structures: IX Commercial Capped CNT Scanning Probe Microscopy Tip as Nowadays Available Tool for Silylene Molecule and Silicon Atom Transfer
PublicationAccording to K. E. Drexler, advanced mechanosynthesis will employ advanced nanomachines, but advanced nanomachines will themselves be product of advanced mechanosynthesis. This circular relationship must be broken in SPM technology development. In the article, the possibility of use easy available commercial CNT tips to assembly silicon-based intermediate generations of nano-devices is considered. Mechanosynthesis of a target class...
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Janusz Kozak prof. dr hab. inż.
PeopleJanusz KOZAK Born 04.07.1953 Puck, Poland Intermediate school” Technikum Budowy Okrętów „Conradinum” Gdansk, 1973. Graduated on Faculty of Shipbuilding of Gdańsk University of Technology, Poland, 1978. Employed: From 1978 - Gdynia Shipyard 1978 as designer, from 1980 as a specialist in Chair of Technology in Faculty of Shipbuilding of Gdańsk University of Technology, 1993 as assistant, PhD (1993), “Method for assessment...
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Scanning electron microscopy (SEM) images of the boron-dopied diamond surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of diamond electrodes on different substrates. The diamond surface is characterized by an aggregation of crystals that do not form a continuous layer.
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Scanning electron microscopy (SEM) images of the boron-dopied diamond surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of diamond electrodes on silicon substrates. The diamond surface is characterized by ultra-crystalline diamonds obtained by CVD synthesis.
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Data from terrestrial laser scanning: The Forge in the district of Gdańsk Orunia
Open Research DataWithin the frames of the use of terrestrial laser scanning we find numerous examples of registration of building facilities, including also historical and valuable in their culture. Data were acquired using a Leica Geosystems C10 laser scanner. Data embrace blacksmith forges a historic building located in Gdańsk Orunia, 10 Goscinna Street. Scanning...
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The scanning electron microscopy (SEM) studies of low voltage copper cables
Open Research DataThe dataset contains the scanning electron microscopy (SEM) images of the low voltage copper cables, which were studied in the article discussing the regulatory requirements for checking the electrical resistance of such cables. The cables were cut and studies in cross-section. The full results were published in:
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Poultry (chicken) manure biochar - Scanning Electrone Microscope (SEM) images
Open Research DataThis dataset contains scanning electron microscope images of poultry (chicken) manure biochars produced at different temperature conditions (400, 500, and 600 degrees Celsius). Imaging was carried out with an FEI Quanta FEG250 scanning electron microscope equipped with a SE-ETD detector (secondary electron - Everhart-Thornley detector) and a 20 kV accelerating...
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Shaping the personal payroll fund with a breakdown by organizational units in 2017-2019
Open Research DataThe following materials present costs related to the personal payroll fund in given years. The presentation of the development of the costs of the personal payroll fund with the divied into the costs of management and administration employees, hosts and maintenance workers in a given housing association.
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IV Pomorska Konferencja Open Science - udostępnianie danych badawczych (sharing research data)
EventsTematyka Otwartej Nauki jest coraz bardziej rozpowszechniona. Zarówno udostępnianie wyników badań w postaci publikacji jak i danych badawczych jest coraz częściej wymogiem instytucji i agencji finansujących badania naukowe. Tworzone są liczne rekomendacje, dobre praktyki i polityki w zakresie wprowadzania otwartego dostępu. Celem konferencji jest zebranie...
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Strength tests of steel sandwich panel
PublicationPrzedstawiono wyniki badań laboratoryjnych elementarnego, teowego złącza spawanego laserowo, których celem było określenie pola odkształceń i naprężeń w strefie przyspoinowej. Uzyskane wyniki wskazują na potrzebę bardzo starannego modelowania konstrukcji spawanych laserowo przy obliczeniach MES. W pracy zaprezentowano wyniki badań konstrukcji rzeczywistej pod statycznym obciążeniem ściskającym, które porównano z rezultatami analizy...
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Czesław Kazimierz Szymczak prof. dr hab. inż.
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Surface roughness analysis of hardened steel after high‐speed milling
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Strength tests of steel sandwich panel
PublicationPrzedstawiono wyniki badań laboratoryjnych elementarnych złączy spawanych laserowo i paneli SANDWICH, prowadzonych w Katedrze Technologii Okrętów i Obiektów Oceanotechnicznych WOiO, na konstrukcjach w skali rzeczywistej. Dokonano analizy zachowania połączenia podczas procesu obciążenia. Przedstawiono wyniki numerycznego zamodelowania własności złącza. Dokonano porównania uzyskanych rezultatów analizy numerycznej z wynikami z badań...
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Systemy automatycznej kontroli wymiarowej mikroziaren ściernych
PublicationPrzedstawiono skomputeryzowaną analizę wielkości i kształtu mikroziaren ściernych przy użyciu specjalnego oprogramowania MultiScan v6.08 oraz zautomatyzowane pomiary z wykorzystaniem analizatora laserowego Analyzette 22. Analizator laserowy jest uniwersalnym urządzeniem do pomiarów wymiarów ziaren i mikroziaren.
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THE ROLE OF THE POLISH UNIVERSITIES IN SHAPING A NEW MOBILITY CULTURE - ASSUMPTIONS, CONDITIONS, EXPERIENCE. CASE STUDY OF GDANSK UNIVERSITY OF TECHNOLOGY, CRACOW UNIVERSITY OF TECHNOLOGY AND SILESIAN UNIVERSITY OF TECHNOLOGY
PublicationThe article expresses an idea of the privileged role of universities in the process of shaping the new culture for urban mobility. Mobility management of the academic community is adopted in order to indirectly influence a wider group of the population. The aim of the study was to investigate the situation at the Polish universities and the willingness of their authorities to implement integrated tools to manage the transportation...
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3D modelling of beach topography changes caused by the tombolo phenomenon using terrestrial laser scanning (TLS) and unmanned aerial vehicle (UAV) photogrammetry on the example of the city of Sopot
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Automatyczna kontrola jakości mikroziaren ściernych.
PublicationPrzedstawiono skomputeryzowaną analizę wielkości i kształtu mikroziaren ściernych przy użyciu specjalnego opraogramowania MultiScan v.6.08 oraz zautomatyzowane pomiary z wykorzystaniem analizatora laserowego Analysette 22. Analizator laserowy jest uniwersalnym urządzeniem do pomiarów wymiarów ziaren i mikroziaren.
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Justyna Martyniuk-Pęczek dr hab. inż. arch.
PeopleJustyna Martyniuk-Peczek, Ph.D., D.Sc. Associate Professor Department of Urban Design and Regional Planning, Faculty of Architecture Gdansk University of Technology My academic and research activity has been concentrated around one specialty — urban planning, however it involves an interdisciplinary reference to other fields, such as lighting and the science of management. In terms of quantity, my academic work...
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Scanning electron microscopy (SEM) images of the boron-doped carbon nanowalls surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 5000ppm in the gas atmosphere during the synthesis.
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Scanning electron microscopy (SEM) images of the boron-dopied carbon nanowalls surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 1200ppm in the gas atmosphere during the synthesis.
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Scanning electron microscopy (SEM) images of the boron-doped carbon nanowalls surfaces
Open Research DataThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 2000ppm in the gas atmosphere during the synthesis.
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Scanning Electrone Microscope images of biochar produced from straw and wood chips
Open Research DataThis dataset contains scanning electron microscope images of two types of biochars derived from waste plant biomass: straw and wood chips. Imaging was performed using a scanning electron microscope, FEI Quanta FEG250. with a SE-ETD detector (secondary electron – Everhart-Thornley detector), using 20 kV accelerating voltage.
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Evaluation of the content of zinc compounds in polyethylene films using scanning electron microscopy
Open Research DataThe dataset contains the results of in the form of micrographs made using a scanning electron microscope (SEM) S–3400N (Hitachi, Hyogo, Japan) using backscattered electron (BSE) detector. SEM was equipped with tungsten filament. The accelerating voltage was 25 kV. Utilization of BSE detector allowed to increase the contrast of local areas varying in...
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Scanning Electron Microscopy images of nanocubes suspension 1 month after synthesis
Open Research DataThis dataset contains the SEM images of the gold nanocubes suspension in citrate buffer. The goal of the study was to evaluate the size of the synthesized nanocubes, their stability one month after the synthesis process, and to verify the optimal conditions regarding nanocubes concentration for the SEM analysis. Solutions with two different AuNC concentrations...
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Karol Daliga dr inż.
PeopleIn 2005, he graduated from a mathematics and physics class and passed his secondary school-leaving examination at 1st Secondary School named after Władysław Gebik, former Polish grammar school in Kwidzyn. In the years 2005-2010 he completed master's studies at Faculty of Applied Physics and Mathematics of Gdańsk University of Technology, and in 2008-2012 he completed engineering studies at Faculty of Civil and Environmental Engineering...