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STAND
Czasopisma -
A LABORATORY STAND FOR THE ANALYSIS OF DYNAMIC PROPERTIES OF THERMOCOUPLES
PublikacjaIn the present elaboration, problems connected with measurements of high variable temperatures of gases are introduced and the impact of dynamic properties of different construction solutions of thermoelements on the accuracy of the measurements is considered. A laboratory stand built within research under doctoral thesis, destined for analysis of dynamic properties of thermocouples is also described. Results of numerical simulation...
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Laboratory Stand for Wideband Analysis Radiocommunication Signals
PublikacjaA laboratory stand for wideband analysis radiocommunication signals is presented in the paper. The stand is designed for signals acquisition in wide spectrum and research a field of digital signal processing. Procedures used for simultaneous acquiring many frequency channels in selected wide band are described. The method of detection of direct sequence spread spectrum signals (DS SS) which power spectral density is lower than...
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Laboratory stand for wideband analysis radiocommunication signals
PublikacjaA laboratory stand for wideband analysis radiocommunication signals is presented in the paper. The stand is designed for signals acquisition in wide spectrum and research a field of digital signal processing. Procedures used for simultaneous acquiring many frequency channels in selected wide band are described. The method of detection of direct sequence spread spectrum signals (DS SS) which power spectral density is lower than...
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Test Stand for Metamaterials Dynamic Properties Examination
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A Stand for Measurement and Prediction of Scattering Properties of Diffusers
PublikacjaIn this paper we present a set of solutions which may be used for prototyping and simulation of acoustic scattering devices. A system proposed is capable of measuring sound field. Also a way to use an open source solution for simulation of scattering phenomena occurring in proximity of acoustic diffusers is shown. The result of our work are measurement procedure and a prototype of the simulation script based on FEniCS - an open source...
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Test Stand for Multi-option Stretching of Soft Tissues
PublikacjaThe paper presents the genesis of the design and possibilities of the test stand for stretching soft tissues as well as examples of tests carried out on this device.
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Test Stand for Multi-option Stretching of Soft Tissues
PublikacjaThe paper presents the genesis of the design and possibilities of the test stand for stretching soft tissues as well as examples of tests carried out on this device.
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The automation of test stand for engine cooling system testing
PublikacjaW rozdziale przedstawiono budowę stanowiska do badań układu chłodzenia silnika samochodowego typu M111920. Układ był wyposażony w obwód podgrzewania paliwa gazowego i układ akumulacji ciepła. Stanowisko wyposażono w liczne termopary do pomiaru temperatur płynów i części metalowych silnika. Ważnym opracowanym zagadnieniem było rejestrowanie wielu pomiarów w czasie rzeczywistym, do czego użyto sieci transmisji danych CAN.
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Induction heating laboratory stand for estimating thermal properties of a charge
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Annual variations in the solar energy conversion efficiency in will coppice stand.
PublikacjaMonitorowano produkcyjność plantacji wiklinowych w Uppsali w Szwecji w latach 1985-1994. Okazało się, że największa sprawność przetwarzania energii słonecznej w biomasę ma miejsce w drugim i trzecim roku uprawy wiklinowej (około 1%), natomiast w pierwszym i w czwartym roku sprawność ta jest 2 razy niższa i wynosi około 0,5%. Dyskutuje się przyczyny takiej sytuacji.
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Voltage Control of a Stand-Alone Multiphase Doubly Fed Induction Generator
PublikacjaThis article presents a multiphase doubly fed induction generator (MDFIG) with a dedicated and unique control algorithm in a stand-alone wind energy conversion system. The algorithm has been developed and elaborated in the case of different emergency modes. Compared with the traditional double-fed induction generator, the MDFIG has increased reliability, reduced current level per phase, and low rotor harmonic currents. The control...
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The stand for determining of thermal‐electrical material properties of induction heated charge
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Stand der Technik der Baugrundverbesserung durch Verdraengung und Bodenersatz
PublikacjaOmówiono metody wzmacniania słabego gruntu z wykorzystaniem technologii wibroflotacji i wibrowymiany. Wskazano zasadnicze cechy charakterystyczne i różnice obu technologii. W odniesieniu do wibrowymiany ujęto również: kolumny betonowe, kolumny kombinowane betonowo-żwirowe oraz kolumny żwirowe w koszulkach z geosiatki. Podano przykłady realizacji.
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In-service measurement of the small wind turbine test stand for structural health monitoring
PublikacjaThis paper presents the research activity performed on a Small Wind Turbine (SWT) test stand. Commercially available turbine was modified towards incorporation of the sensors system for condition monitoring. Installed sensors measure angular shaft position, torque applied from the wind loads, vibration accelerations and last but not least rotational speed. All gathered data are then transferred and processed in Test.Lab by means...
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The Laboratory Stand for the Evaluation of Heat Dissipation from the Power Cable in a Casing Pipe
PublikacjaThe current carrying capacity of a power cable determines its efficiency, which depends on its capability to dissipate heat produced inside the cable, as a result of current flow, into the surrounding. The studies were conducted to determine how the characteristics of the medium around the cable affected its temperature and, as a result, its ability to transport electricity. The experimentation in the lab and real measurements...
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Supercapacitors in stand-alone pv systems with instantaneus high output energy pulses
PublikacjaSuperkondensatory (ang. supercapacitors, ultracapacitors, double-layer capacitors, gold capacitors and power capacitors) stanowią stosunkową nowość w energetyce prądu stałego, zwłaszcza w dziedzinie magazynowania i oddawania energii. Podjęto próby zastosowania superkondensatorów jako jedynego lub wspierającego źródła, służącego do gromadzenia energii PV w autonomicznych instalacjach. Opracowany we własnym zakresie, wykonany i opisany...
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Forest Inventory Data Reveal Stand History from 115 Years Ago
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A Ship Domain-Based Method of Determining Action Distances for Evasive Manoeuvres in Stand-On Situations
PublikacjaA ship encounter can be considered safe if neither of ships’ domains (defined areas around ships) is intruded by other ships. Published research on this includes optimising collision avoidancemanoeuvres fulfilling domain-based safety conditions.However, until recently there was no method, using ship’s domain to determine exact moment when a particular collision avoidance manoeuvre can still be successfully performed. The authors...
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Application a laboratory stand for multi-symptoms tests for high cyclic fatigue of constructional material
PublikacjaThis paper describes a need of diagnostics present ship plants according to current technical state. In order to reach competent physical quantity describing fatigue of materials by congregated energy. This paper describes using some diagnostics methods (acoustic emission AE, vibration, thermovision, deformation) in order to definition fatigue state of construction material. The author tries to find correlation between measured...
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The Control System Based on FPGA Technology For Fatigue Test Stand MZGS-100 PL
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Gene Therapy Approaches to Prevent Corneal Graft Rejection: Where Do We Stand?
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LABORATORY STAND FOR INVESTIGATIONS OF THE QUICK - CHANGING TEMPERATURE OF GAS FLOWING IN THE PISTON COMPRESSOR OUTLET CHANNEL
PublikacjaThis paper presents a laboratory stand, created as a part of work on the doctor dissertation, intended for investigation of heat and flow processes taking place in the Espholin H3S piston compressor outlet channel. The test stand elements and their configuration within the stand are described. Discussed are also problems connected with the quick-changing measurement technique, solutions which have been proposed so far in that technology...
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Modelling and Control of a Brushless Multiphase Doubly-Fed Induction Generator in a Stand-Alone Wind Generation System
PublikacjaThe development of the novel multiphase brushless doubly-fed generator system and voltage controller for stand-alone mode configuration is proposed in this paper. The generator system is based on the new machine construction with multiphase control winding and traditional three-phase power winding. The dynamic model of multiphase brushless doubly-fed generator is presented, and the control strategy for voltage amplitude and frequency...
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Long-term changes in the Leucobryo-Pinetum community: interactions between the tree-stand, understorey and moss layer
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Measurement Of The Dynamics Of The Sheave Block Of Shipyard Crane With 1000 T Lifting Capacity For Verification Of The Laboratory Stand
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Measurement Stand and Methodology for Research of the Off-Body and Body-to-Body Radio Channels in WBANs with Different Diversity Schemes
PublikacjaThe concept of an experimental test bed for system loss and channel impulse response measurements for off-body and body-to-body radio channels in wireless body area networks (WBANs) is fully described. The possible measurement scenarios that may occur in investigation of off-body and body-to-body channels are classified and described in detail. Additionally, an evaluation is provided of the standard and expanded uncertainties of...
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Multi-stage magnetic-fluid seals for operating in water - life test procedure, test stand and research results
PublikacjaThe edge criteria for magnetic-fluid seals durability research are critical for the seal'stechnological usefulness. The magnetic fluid seal technology in water is much moredifficult technological problem in comparison to gas or vacuum environment. There isalways problem with immediate contact between magnetic fluid and the environmentaluninspected liquids. In the paper are presented ways of experiments definitions carried outwith...
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The effects of forest patch size and ownership structure on tree stand characteristics in a highly deforested landscape of central Poland
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Stand thickness of dominant tree species in the State Forests divided into stand age classes over the years 2009-2013
Dane BadawczeThe dataset contains data illustrating changes in the distribution of dominant tree species in the State Forests divided into stand age classes over the years 2009-2013. Dominant species can be defined as the species in the stand with the largest share in terms of area, thickness or number. Stand thickness means the gross thickness of the timber, i.e....
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Stand thickness of dominant tree species in the State Forests divided into stand age classes over the years 2014-2018
Dane BadawczeThe dataset contains data illustrating changes in the distribution of dominant tree species in the State Forests divided into stand age classes over the years 2014-2018. Dominant species can be defined as the species in the stand with the largest share in terms of area, thickness or number. Stand thickness means the gross thickness of the timber, i.e....
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Stand thickness of dominant tree species in the State Forests divided into stand age classes over the years 2019-2023
Dane BadawczeThe dataset contains data illustrating changes in the distribution of dominant tree species in the State Forests divided into stand age classes over the years 2019-2023. Dominant species can be defined as the species in the stand with the largest share in terms of area, thickness or number. Stand thickness means the gross thickness of the timber, i.e....
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Spatial variability of throughfall in a stand of Scots pine (Pinus sylvestris L.) with deciduous admixture as influenced by canopy cover and stem distance
PublikacjaVegetation cover affects the amount of precipitation, its chemical composition and its spatial distribution, and this may have implications for the distribution of water, nutrients and contaminants in the subsurface soil layer. The aim of this study was a detailed diagnosis of the spatio-temporal variability in the amount of throughfall (TF) and its chemical components in a 72-year-old pine stand with an admixture of oak and birch....
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Multi-stage magnetic-fluid seals for operating in water - life test procedure, test stand and research results. Part II Results of life tests of multi-stage magnetic - fluid seal operating in water
PublikacjaThe edge criteria for magnetic-fluid seals durability research were described in previous article [24] and now the tests results are presented. The tests were made with three magnetic fluids using various magnets quantity in magnetic assemblies. If values obtained in the repeated test deviated by more than 10 % from results of the first test an additional control test was made for final characteristics. The characteristics are:...
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Area covered by dominant tree species in the State Forests divided into stand age classes over the years 2014-2018
Dane BadawczeThe dataset contains data illustrating changes in distribution of dominant tree species in the State Forests divided into stand age classes over the years 2014-2018. Information about covered area is provided in ha and percentage of whole analyzed area. Dominant speciescan be defined as the species in the stand with the largest share in terms of area,...
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Area covered by dominant tree species in the State Forests divided into stand age classes over the years 2019-2023
Dane BadawczeThe dataset contains data illustrating changes in distribution of dominant tree species in the State Forests divided into stand age classes over the years 2019-2023. Information about covered area is provided in ha and percentage of whole analyzed area. Dominant speciescan be defined as the species in the stand with the largest share in terms of area,...
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Measurement file of PEEK 70 mm bushing measurements in original condition perforemed on custom-built 3d measuring stand
Dane BadawczeAfter manufacturing process (lathe turning) bearing was measured on custom bulit measurement stan developed during research project financed by National Centre of Science. Measurements consist of 110 000 points in 3D space taken on bushing inner surface. Bearing was measured taking vertical steps of 0,2 mm.
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Standardowy kurs JCZ_BAZA
Kursy OnlineTo jest mój kurs, który stanowi punkt wyjścia do tworzenia innych kursów
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Interconnect charging standarization.
PublikacjaZbadano istniejące ETSI i ITU standardy sygnalizacyjne, które majadoczynienia z zaliczaniem w konkurencyjnym, zliberalizowanym iwielooperatorskim środowisku, jakie dzisiaj istnieje. Porównano normy i omówiono możliwości ich zastosowania oraz ich ograniczenia. Podkreślono, co powinno być zauważone podczas implementacji aplikacji bazowanych na tych normach. Artykuł ten powinien być użyteczny dla inżynierów systemowych, a także dla...
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Standard Compliance Framework for effective requirements communication
PublikacjaStandard Compliance Framework (SCF) is a framework, which supports application of standards at the stages of achieving, assessing and maintaining the compliance. It uses Trust Case language to develop argument structures demonstrating compliance with standards. The paper presents how SCF is applied to increase effectiveness of requirements communication. Relevant mechanisms of the framework are thoroughly described referring to...
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Standardowy kurs Joanny Czerskiej
Kursy OnlineTo jest mój kurs, który stanowi punkt wyjścia do tworzenia innych kursów
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Standort
Czasopisma -
Standards Conformity Framework in comparison with contemporary methods supporting standards application
PublikacjaAchieving and assessing conformity with standards and compliance with various sets of requirements generates significant costs for contemporary economies. Great deal of this is spent on fulfilment of safety and security requirements. However, standards application is not supported sufficiently by the tools available on the market. Therefore, Standards Conformity Framework (SCF) containing methods and tools which provide support...
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Acoustical Standards Used in Design of School Spaces = Standardy akustyczne używane w projektowaniu przestrzeni szkoły
PublikacjaArtykuł prezentuje wytyczne projektowania akustyki wnętrz w pomieszczeniach szkolnych zawarte w europejskich i amerykańskich standardach technicznych. Opisane są także aktualne polskie przepisy odnoszące się do akustyki wnętrza. We wnioskach zaprezentowano wytyczne dla poprawy komfortu akustycznego w szkołach. // Design guidelines for interior acoustics in learning spaces included in European and American technical standards and...
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Blob - standardowa architektura przyszłości?
PublikacjaRelacja z konferencji ''Non-standard Praxis'', Massachusetts Institute of Technology, Cambridge, USA, 24-26 września 2004, traktującej o współczesnej praktyce architekta w dobie cyfrowych technologii.
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Innowacje w standardach okablowania strukturalnego
PublikacjaW pracy oceniono zasadność realizacji w najbliższych latach okablowania sieci teleinformatycznych w technologiach miedzianych. Przedstawiono stan standaryzacji okablowania miedzianego. Wskazano na rozwiązania, w tym nowe, inowacyjne (IEEE 802.3at PoE 2009, ANSI/TIA-568-B.2-10 2008, Amendment 1 to ISO/IEC 11801 2nd Ed. 2008, IEEE 802.3ap backplane 2007, autonegocjacje 2008), których stosowanie umacnia rolę instalacji miedzianych...
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Evaluation of the standardisation of gutta-percha points
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Standaryzacja - potrzeby, organizacje, dokumenty
PublikacjaOmówiono przyczyny powodujące, że normalizacja w dziedzinie informatyki, te-lekomunikacji, jak i organizacji służby zdrowia mają pierwszorzędne znacze-nie praktyczne. Przedstawiono stan prac normalizacyjnych i pokazano struktu=rę i zasady pracy organów działających w dziedzinie normalizacji systemówinformatycznych, ze szczególnym zwróceniem uwagi na organizacje i dokumentymające związek z aplikacjami medycznymi.
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Klaudia Stando
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General concept of functional safety - standarisation and sector aspects
PublikacjaRozdział poświęcono koncepcji bezpieczeństwa funkcjonalnego. Bezpieczeństwo funkcjonalne jest częścią bezpieczeństwa całkowitego zależną od odpowiedniej odpowiedzi systemów sterowania i/lub zabezpieczeń na sygnały wejściowe podczas wystąpienia stanów nienormalnych maszyny, instalacji lub obiektu podwyższonego ryzyka. Koncepcja bezpieczeństwa funkcjonalnego przedstawiona w normie IEC 51508 stanowi przykład dobrej praktyki inżynierskiej...