Filters
total: 2371
filtered: 1255
-
Catalog
- Publications 1255 available results
- Journals 45 available results
- Conferences 1 available results
- Publishing Houses 1 available results
- People 43 available results
- Inventions 1 available results
- Projects 21 available results
- Laboratories 1 available results
- Research Teams 1 available results
- e-Learning Courses 30 available results
- Events 1 available results
- Open Research Data 971 available results
Chosen catalog filters
displaying 1000 best results Help
Search results for: MRL/MPJ
-
Polyurethane porous scaffolds (PPS) for soft tissue regenerative medicine applications
PublicationTissue engineering requires suitable polymeric scaffolds, which act as a physical support for regenerated tissue. A promising candidate might be polyurethane (PUR) scaffold, due to the ease of the PUR properties design, which can be adjusted directly to the intended purpose. In this study, we report a successful fabrication of porous polyurethane scaffolds (PPS) using solvent casting/particulate leaching technique combined with...
-
Towards sustainable catalyst-free biomass-based polyurethane-wood composites (PU-WC): From valorization and liquefaction to future generation of biocomposites
PublicationA substantial aspect of materials engineering lies in the responsible process of designing polymer-based materials. Due to environmental pollution, excessive consumption of natural resources, and increasing environmental awareness of society, there is a massive need for polyurethane (PU) materials with reduced environmental impact. To date, research on catalyst-free polyurethane-wood composites (PU-WC) has demonstrated a huge potential...
-
IP Core of Coprocessor for Multiple-Precision-Arithmetic Computations
PublicationIn this paper, we present an IP core of coprocessor supporting computations requiring integer multiple-precision arithmetic (MPA). Whilst standard 32/64-bit arithmetic is sufficient to solve many computing problems, there are still applications that require higher numerical precision. Hence, the purpose of the developed coprocessor is to support and offload central processing unit (CPU) in such computations. The developed digital...
-
Gas Turbine Cycle with External Combustion Chamber for Prosumer and Distributed Energy Systems
PublicationThe use of various biofuels, usually of relatively small Lower Heating Value (LHV), affects the gas turbine efficiency. The present paper shows that applying the proposed air by-pass system of the combustor at the turbine exit causes tan increase of efficiency of the turbine cycle increased by a few points. This solution appears very promising also in combined gas/steam turbine power plants. The comparison of a turbine set operating...
-
Application of commercial supercapacitor modules in autonomic photovoltaic installations
PublicationDynamiczny rozwój technologii i konstrukcji superkondensatorów, napędzany głównie potrzebami przemysłu motoryzacyjnego pozwala na stwierdzenie, że stają się one coraz bardziej realną alternatywą dla konwencjonalnych akumulatorów stosowanych w autonomicznych instalacjach fotowoltaicznych.Za ich stosowaniem przemawiają takie zalety jak: możliwość szybkiego ładowania i rozładowania, wielokrotnie wyższa trwałość, bezobsługowość eksploatacji...
-
Diethyl carbonate as a green extraction solvent for chlorophenol determination with dispersive liquid–liquid microextraction
PublicationThe principles of green analytical chemistry indicate that the search for greener organic solvents for extraction applications is crucial. In this study diethyl carbonate (DEC) is proved to be a green solvent, as it is relatively nontoxic, obtainable from renewable resources and biodegradable. Here it is applied as an extraction solvent for chlorophenol determination in water samples with dispersive liquid–liquid microextraction....
-
Doskonalenie funkcjonowania firm produkcyjnych z wykorzystaniem połączonego modelu planowania potrzeb materiałowych i heijunki
PublicationW niniejszej publikacji autorzy zaprezentowali koncepcję połączenia planowania potrzeb materiałowych z harmonogramem heijunka. Przybliżono kluczowe założenia MRP oraz zasady budowy planu produkcji z wykorzystaniem heijunka box. Zaprezentowana przez autorów koncepcja wiąże się z realizacją algorytmu postępowania obejmującego siedem podstawowych kroków. Tego typu połączenie pozwoli na wzrost efektywności realizowanych działań przez...
-
Electromagnetic Simulations with 3D FEM and Intel Optane Persistent Memory
PublicationAbstract—Intel Optane persistent memory has the potential to induce a change in how high-performance calculations requiring a large system memory capacity are conducted. This article presents what this change may look like in the case of factorization of large sparse matrices describing electromagnetic problems arising in the 3D FEM analysis of passive highfrequency components. In numerical tests, the Intel oneAPI MKL PARDISO was...
-
Evaluation of Multimedia Stream Processing Modeling Language from the Perspective of Cognitive Dimensions
PublicationW referacie zawarto opis zastosowania wymiarów poznawczych do oceny języka modelowania przetwarzania strumieni multimedialnych, nazwanego MSP-ML, w trakcie tworzenia tego języka. Poszczególne części referatu prezentują kontekst i motywacje oceny MSP-ML, metodę oceny, rezultaty oceny oraz porównanie rezultatów oceny z wynikami otrzymanymi za pomocą innych metod oceny języków modelowania wizualnego.
-
Przebieg i produkty procesu pirolizy wybranych tworzyw sztucznych w reaktorze cisnieniowym
PublicationW badaniach przeprowadzono pirolizę, która miała na celu otrzymanie palnego gazu oraz oleju, wykorzystywanych jako paliwa energetyczne, z odpadowych materiałów pochodzenia polimerowego. Tworzywa sztuczne wytwarzane w największej ilości na świecie to polietylen (PE), polipropylen (PP), politereftalan etylenu (PET), Poli(chlorek winylu) (PVC). Mając to na uwadze do doświadczeń wybrano trzy polimery - PET, PE, PP, które poddawano...
-
Short-range order structure and free volume distribution in liquid bismuth: X-ray diffraction and computer simulations studies
PublicationThe structure of liquid bismuth was studied by X-ray diffraction and computer simulation methods. The contraction of the atomic structure within the first coordination sphere in the temperature interval of 575- 1225 K is reported. The temperature dependencies of the coordination numbers and of the free volume are analysed. On the basis of the temperature dependencies of the free volume, the temperature dependencies of viscosity...
-
Thioamides and selenoamides with chirality solely due to hindered rotation about the C-N bond: enantioselective complexation with optically active hosts
PublicationBariera rotacji wokół wiązania C-N w tioamidach jest średnio o 3-5 kcal/mol wyższa niż w odpowiednich amidach, a w analogicznych selenoamidach wzrasta jeszcze o 1 kcal/mol. Dzięki temu związki te występują w dwu enancjomerycznych formach, których wzajemna przemiana zachodzi w wyniku rotacji wokół wiązań C-N. Bariera rotacji jest wystarczająco wysoka, aby można było podjąć próbę ich rozdziału na enancjomery w temperaturze pokojowej....
-
Fermentative Conversion of Two-Step Pre-Treated Lignocellulosic Biomass to Hydrogen
PublicationFermentative hydrogen production via dark fermentation with the application of lignocellulosic biomass requires a multistep pre-treatment procedure, due to the complexed structure of the raw material. Hence, the comparison of the hydrogen productivity potential of different lignocellulosic materials (LCMs) in relation to the lignocellulosic biomass composition is often considered as an interesting field of research. In this study,...
-
Modern approach for determination of lactulose, mannitol and sucrose in human urine using HPLC-MS/MS for the studies of intestinal and upper digestive tract permeability
PublicationA new analytical procedure was described for the simultaneous determination of lactulose, mannitol and sucrose in urine, in which HILIC chromatography and tandem mass spectrometry detection are used. Sugars are orally administered for the estimation of intestinal permeability in children digestive tract. Samples were purified by dispersive solid phase extraction (d-SPE) using Amberlite MB150 resin. Raffinose was selected as an...
-
Development of an orbital shaker-assisted fatty acid-based switchable solvent microextraction procedure for rapid and green extraction of amoxicillin from complex matrices: Central composite design
PublicationIn this study, a cheap, fast and simple orbital shaker-assisted fatty acid-based switchable solvent microextraction (OS-FASS-ME) procedure was developed for the extraction of amoxicillin (AMOX) in dairy products, pharmaceutical samples and wastewater prior to its spectrophotometric analysis. Fatty acid-based switchable solvents were investigated for extracting AMOX. The key factors of the OS-FASS-ME procedure were optimized using...
-
The effect of exogenous application of methyl jasmonate on the lipid and carbohydrate content and composition of winter triticale (Triticosecale Wittm.) grain and the severity of fungal infections in triticale plants and grain
PublicationKernels of winter triticale (Triticosecale Wittm. cv. Dinaro) were analyzed. In the autumn of 2015, the effect of methyl jasmonate (MJ) on the germination of triticale kernels and the development of triticale seedlings was analyzed in a laboratory before kernels were sown in experimental plots. Kernels harvested from plots in August 2016 were analyzed to determine their lipid and carbohydrate content and composition and the severity...
-
Cu( II ) ions removal from wastewater using starch nanoparticles ( SNPs ): An Eco‐sustainable approach
PublicationThe complex structured starch particles were reduced to the nanoscale size range through hydrolysis utilizing low concentration acid assisted with ultrasound irradiation. The synthesized starch nanoparticles (SNPs) were characterized by TEM, FTIR, and XRD techniques. The synthesized SNPs possessed surface activated entities, as many cationic functional groups were confirmed through the FTIR spectrum. Also, these SNPs were effectively...
-
Dokumentacja oraz wnioski z badań belek hybrydowych dla firmy H+H Polska sp. z o.o.
PublicationOpracowanie stanowi dokumentację oraz wnioski z badań belek nadprożowych o długości 3,0 m każda o przekroju poprzecznym belki hybrydowej (beton konstrukcyjny łączony z betonem komórkowym) nawiązującej do wymiaru bloczka z betonu komórkowego firmy H+H Polska sp. z o.o. o wymiarach (szerokość × wysokość × długość): 24 × 24 × 60 cm, odmiany D600 o średniej wytrzymałości na ściskanie 3,0 MPa (zgodnie z kartą techniczną w załączniku...
-
Przyczepa do pomiaru oporu toczenia opon i nawierzchni drogowych - wybrane zagadnienia
PublicationW artykule przedstawiono zasadę pomiaru współczynnika oporu toczenia opon i nawierzchni drogowych przy wykorzystaniu przyczepy R2 Mk2, skonstruowanej i wykonanej na Politechnice Gdańskiej. Pokazano przykładowe przebiegi dla uzyskanego współczynnika oporu toczenia oraz możliwość tworzenia trajektorii w Google Maps przy wykorzystaniu współrzędnych geograficznych z modułu GPS. W dalszej części omówiono pomiar średniej głębokości profilu...
-
Allergic Reactions as a Defense of the Organism to the Influence of Implants Components Made of Stainless Steel
PublicationDue to the increasing number of cases of hypersensitivity caused by direct contact with metals, as well as the increasing demand for implants in humans all ages numerous studies on the effects of the impact of implant components are being carried out. The paper presents the phenomenon of etiology of allergy in general terms and in relation to the biomaterials used in medicine. There have been characterized in terms of impact on...
-
Allergic reactions as a defense of the organism to the influence of implants components made of stainless steel
PublicationDue to the increasing number of cases of hypersensitivity caused by direct contact with metals, as well as the increasing demand for implants in humans all ages numerous studies on the effects of the impact of implant components are being carried out. The paper presents the phenomenon of etiology of allergy in general terms and in relation to the biomaterials used in medicine. There have been characterized in terms of impact on...
-
Corrosion-erosion damage of heat exchanger tubes by desalted crude oil flowing at shell side.
PublicationRurki wymiennika zostały uszkodzone lokalnie przez odsoloną ropę naftową przepływającą pod ciśnieniem 2,6 MPa i w temperaturze 385-395K. Większość powierzchni rurek nie była uszkodzona i była pokryta osadem związków organicznych i nieorganicznych, zabezpieczającym przed uszkodzeniami. Badania wykluczyły możliwość występowania intensywnej korozji elektrochemicznej na powierzchniach rurek pozbawionych osadu. Przyczyną perforacji...
-
Hydrogen delayed cracking of high-strength 14hnmbcu steel in seawater
PublicationOceniano podatność na niszczenie wodorowe stali o wysokiej wytrzymałości i jej połączeń spawanych przy stałym obciążeniu w wodzie morskiej. Badania przeprowadzono na próbkach okrągłych z karbem w środowisku wody morskiej przy potencjale korozyjnym oraz przy polaryzacji katodowej. Badano stal gatunku 14HNMBCu o minimalnej granicy plastyczności 690 MPa oraz jej połączenia spawane automatycznie łukiem krytym i ręcznie łukowo elektrodą...
-
Induction Assisted Hybrid Friction Stir Welding of Dissimilar Materials AA5052 Aluminium Alloy and X12Cr13 Stainless Steel
PublicationThis research aimed to study the induction in-situ heated hybrid friction stir welding (IAFSW) method to join AA5052 aluminium alloy with X12Cr13 stainless steel (SS) to enhance joint strength. The potency of this method on the mechanical properties and microstructural characterizations were also investigated. The results show that the transverse tensile strength gained was 94% of the AA5052 base metal that is 229.5 MPa. This superior...
-
Zastosowanie metod spektroskopowych do charakterystyki nanokompozytów Ag-TiO2
PublicationNanocząstki Ag-TiO2 zawierające od 1,5 do 8% mol. srebra otrzymano poprzez hydrolizę tetraizopropylo tytanianu w mikroemulsji woda-AOT-cykloheksan, zawierającej w fazie wewnętrznej prekursor cząstek srebra i następnie redukcję jonów srebra. Charakterystyka otrzymanych fotokatalizatorów Ag-TiO2 obejmowała, wyznaczenie właściwości absorpcyjnych, energii pasma wzbronionego (Eg), powierzchni właściwej BET, badanie aktywności fotokatalitycznej...
-
Transport Properties of Nitrided VN-SiO2 Sol-Gel derived films
PublicationPraca dotyczy transportu elektrycznego stałoprądowego cienkich warstw xVN-(100-x)SiO2 (gdzie x = 90, 80, 70, 60 mol%)otrzymanych w wyniku termicznego azotowania warstw tlenkowych otrzymanych metodą zol-żel. W warstwach obserwuje się granule VN rozdyspergowane w amorficznej matrycy SiO2. Warstwy wykazują przejście nadprzewodzące w temperaturze około 7,5K. W stanie normalnym ich przewodnictwo można opisać modelem charaktrystycznym...
-
Content malondialdehyde (MDA) in infant formulae and follow-on formulae
PublicationZbadano zawartość dialdehydu malonowego, szkodliwego dla zdrowia produktu oksydacji lipidów, w preparatach do początkowego MP i następnego MN żywienia niemowląt, w mleku ludzkim, nieprzetworzonym mleku krowim oraz w oleju sojowym i rzepakowym - składnikach MP i MN. W preparatach stwierdzono znaczne zawartości MDA, w zależności od stosowanej przez producenta technologii produkcji, sposobu pakowania oraz warunków przechowywania gotowego...
-
Electrochemical detection of bacterial endotoxin lipopolysaccharide (LPS) on gold electrode modified with DAL-PEG-DK5-PEG-OH - Antimicrobial peptide conjugate
PublicationThis work describes fabrication of gold electrodes modified with peptide conjugate DAL-PEG-DK5-PEG-OH that enables ultra-sensitive detection of lipopolysaccharide (LPS) isolated from the reference strain of Escherichia coli O26:B6. The initial step of the established procedure implies immobilization of the fully protected DAL-PEG-DK5-PEG-OH peptide on the surface of the gold electrode previously modified by cysteamine. Then side...
-
An algorithm for selecting a machine learning method for predicting nitrous oxide emissions in municipal wastewater treatment plants
PublicationThis study presents an advanced algorithm for selecting machine learning (ML) models for nitrous oxide (N2O) emission prediction in wastewater treatment plants (WWTPs) employing the activated sludge process. The examined ML models comprised multivariate adaptive regression spline (MARS), support vector machines (SVM), and extreme gradient boosting (XGboost). The study explores the concept that involves new criteria to select the...
-
Comparison of Volatile Constituents ofAcorus calamusandAsarum europaeumObtained by Different Techniques
Publication -
DEEP LEARNING BASED ON X-RAY IMAGING IMPROVES COXARTHROSIS DETECTION
PublicationObjective: The purpose of the study was to create an Artificial Neural Network (ANN) based on X-ray images of the pelvis, as an additional tool to automate and improve the diagnosis of coxarthrosis. The research is focused on joint space narrowing, which is a radiological symptom showing the thinning of the articular cartilage layer, which is translucent to X-rays. It is the first and the most important of the radiological signs...
-
Development of nanoscale morphology and role of viscoelastic phase separation on the properties of epoxy/recycled polyurethane blends
PublicationA novel and cost-effective approach towards the modification of epoxy matrix has been developed using recycled polyurethane for the first time without sacrificing any of the intrinsic properties of the resin. Polyurethane, recycled from waste foam by glycolysis process (RPU), was found to be very effective in improving the properties of the thermosetting resin based on Diglycidyl ether of bisphenol-A (DGEBA). The effect of the...
-
Processing of Polyester-Urethane Filament and Characterization of FFF 3D Printed Elastic Porous Structures with Potential in Cancellous Bone Tissue Engineering
PublicationThis paper addresses the potential of self-made polyester-urethane filament as a candidate for Fused Filament Fabrication (FFF)-based 3D printing (3DP) in medical applications. Since the industry does not provide many ready-made solutions of medical-grade polyurethane filaments, we undertook research aimed at presenting the process of thermoplastic polyurethane (TPU) filament formation, detailed characteristics, and 3DP of specially...
-
Development Of Dynamic Method For Evaluation Of Corrosion Rate On The Example Of Organic Corrosion İnhibitor
PublicationMeasurements of the corrosion rate belong to the most important aspects of materials science. In order to reduce material loss corrosion inhibitors are used. However selection of proper inhibitor should be based on evaluation of its mechanism and effective concentrations. Mechanism of inhibition usually has dynamic character so physicochemical parameters are changing in time. Most of actually used methods...
-
Photochemical and thermal reaction of intermediates in the phenylnitrene rearangment inside a hemicarcerand
PublicationBroadband irradiation (λ > 320 nm) of hemicarceplex H1 between −74 °C and −84 °C, produces encapsulated didehydroazepine (2), triplet phenylnitrene (3PN), 2-azabicyclo[3.2.0]hepta-1,3,6-triene (6), and 4-azaspiro[2.4]hepta-1,4,6-triene (7). The highly strained anti-Bredt imine 6 is formed from 2 via a photochemical four-electron electrocyclization. Under the irradiation conditions, 6 rearranges further to azaspirene 7. In addition,...
-
Computational analysis of substituent effects on proton affinity and gas-phase basicity of TEMPO derivatives and their hydrogen bonding interactions with water molecules
PublicationThe study investigates the molecular structure of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) and its derivatives in the gas phase using B3LYP and M06-2X functional methods. Intermolecular interactions are analyzed using natural bond orbital (NBO) and atoms in molecules (AIM) techniques. NO2-substituted TEMPO displays high reactivity, less stability, and softer properties. The study reveals that the stability of TEMPO derivatives...
-
Smart Approach for Glioma Segmentation in Magnetic Resonance Imaging using Modified Convolutional Network Architecture (U-NET)
PublicationSegmentation of a brain tumor from magnetic resonance multimodal images is a challenging task in the field of medical imaging. The vast diversity in potential target regions, appearance and multifarious intensity threshold levels of various tumor types are few of the major factors that affect segmentation results. An accurate diagnosis and its treatment demand strict delineation of the tumor affected tissues. Herein, we focus on...
-
Audio Feature Analysis for Precise Vocalic Segments Classification in English
PublicationAn approach to identifying the most meaningful Mel-Frequency Cepstral Coefficients representing selected allophones and vocalic segments for their classification is presented in the paper. For this purpose, experiments were carried out using algorithms such as Principal Component Analysis, Feature Importance, and Recursive Parameter Elimination. The data used were recordings made within the ALOFON corpus containing audio signal...
-
Encapsulation of an anticancer drug Isatin inside a host nano-vehicle SWCNT: a molecular dynamics simulation
PublicationThe use of carbon nanotubes as anticancer drug delivery cargo systems is a promising modality as they are able to perforate cellular membranes and transport the carried therapeutic molecules into the cellular components. Our work describes the encapsulation process of a common anticancer drug, Isatin (1H-indole-2,3-dione) as a guest molecule, in a capped single-walled carbon nanotube (SWCNT) host with chirality of (10,10). The...
-
A fast and convenient method for analysis of collagen hydrolysis products Szybka i dogodna metoda analizy produktów hydrolizy kolagenu
PublicationPolypeptides produced by hydrolysis of collagen from minced animal hide and skin scraps were studied by mass spectrometry (MS) in conjunction with electrophoresis to det. their mol. mass. The degree of peptides ionisation was ca 50+. This allowed for observation of the large polypeptide chains with mass analyzers with a relatively low m/z range. The electrospray and atm. pressure photoionization techniques were used. The polypeptide...
-
Pomiary ilości wodoru dyfundującego w stopiwie elektrod celulozowych i zasadowych
PublicationW artykule scharakteryzowano technologię wytwarzania złączy poprzecznych rurociągów energetycznych w aspekcie kontroli ilości wodoru dyfundującego. Oznaczono zawartość wodoru dyfundującego w stopiwie dla złączy wielościegowych wykonanych elektrodami o otulinie celulozowej i zasadowej. Ustalono, że po wykonaniu 4 ściegów ilość wodoru dyfundującego spada z około 40 ml/100 g do poziomu 12 ml/100 g i zaproponowano wyjaśnienie mechanizmów...
-
A rapid and sensitive method for the quantitative analysis of ibuprofen and its metabolites in equine urine samples by gas chromatography-tandem mass spectrometry
PublicationIbuprofen is widely used in human and veterinary medicine for the treatment of chronic pain as well as rheumatic and musculoskeletal disorders. However, t he anal- gesic and anti-inflammatory properties of Ibuprofen have contributed to frequent drug abuse in equestr ian s ports. A sensitive and rapid gas chromatography with tandem mass spectrometry based method with a simple liquid-liquid extraction and deriva- tization requiring...
-
Machine learning-based prediction of preplaced aggregate concrete characteristics
PublicationPreplaced-Aggregate Concrete (PAC) is a type of preplaced concrete where coarse aggregate is placed in the mold and a Portland cement-sand grout with admixtures is injected to fill the voids. Due to the complex nature of PAC, many studies were conducted to determine the effects of admixtures and the compressive and tensile strengths of PAC. Considering that a prediction tool is needed to estimate the compressive and tensile...
-
Machine learning-based prediction of preplaced aggregate concrete characteristics
PublicationPreplaced-Aggregate Concrete (PAC) is a type of preplaced concrete where coarse aggregate is placed in the mold and a Portland cement-sand grout with admixtures is injected to fill the voids. Due to the complex nature of PAC, many studies were conducted to determine the effects of admixtures and the compressive and tensile strengths of PAC. Considering that a prediction tool is needed to estimate the compressive and tensile strengths...
-
Highly selective impedimetric determination of Haemophilus influenzae protein D using maze-like boron-doped carbon nanowall electrodes
PublicationThis study reports a novel impedimetric immunosensor for protein D detection in purified and bacterial (Haemophilus influenzae, Hi) samples. The detection was based on antigen recognition by anti-protein D antibodies (apD) immobilised at the maze-like boron-doped carbon nanowall electrodes (B:CNW). The B:CNW electrodes were synthesised, and their surface was characterised by scanning electron microscopy (SEM) and X-ray photoelectron...
-
Simulation of parallel similarity measure computations for large data sets
PublicationThe paper presents our approach to implementation of similarity measure for big data analysis in a parallel environment. We describe the algorithm for parallelisation of the computations. We provide results from a real MPI application for computations of similarity measures as well as results achieved with our simulation software. The simulation environment allows us to model parallel systems of various sizes with various components...
-
Removal of ammonia nitrogen from groundwater during nitrification processes using pressure filters = Usuwanie azotu amonowego z wód podziemnych w procesie nitryfikacji na filtrach ciśnieniowych
PublicationW pracy zaprezentowano wyniki badań w skali ułamkowo technicznej nad wpływem podwyższonego i zmiennego ciśnienia (do 0,4 MPa) na przebieg usuwania amoniaku z wód podziemnych, w procesie nitryfikacji, w złożu filtracyjnym. Ustalono, że wszystkie filtry badawcze, zarówno ciśnieniowe jak i grawitacyjny, wymagały adaptacji do zmienionego składu filtrowanej wody. Okres adaptacji filtrów ciśnieniowych był dłuższy, niż dla filtra grawitacyjnego....
-
Czynniki wpływające na magnetyczne pole rozproszone elementów konstrukcyjnych wykonanych ze stali węglowych
PublicationPrzeprowadzono badania próbek wykonanych ze stali węglowej lokalnie odkształconych plastycznie. Badano wpływ lokalnej deformacji na rozkład magnetycznego pola rozproszonego wokół próbek w zależności od warunków panujących podczas deformowania oraz wykonywania pomiarów. Na podstawie porównania rezultatów otrzymanych dla próbek o różnej historii stwierdzono, iż rejestrowane anomalie rozkładu MPR są spowodowane w głównej mierze przepływem...
-
Two Time-Scale Hierarchical Control of Integrated Quantity and Quality in Drinking Water Distribution Systems
PublicationThe paper considers a feedback optimising control of drinking water distribution systems (DWDS). Although the optimised pump and valves scheduling and disinfectant injection control attracted considerable attention over last two decades most of the contributions were limited to an open-loop optimisation repetitively performed during the DWDS operation. Also, while a strong interaction between the water quantity and quality exists...
-
Orientation effects on the fracture behaviour of additively manufactured stainless steel 316L subjected to high cyclic fatigue
PublicationIn this paper, stainless steel 316L (SS316L) bars were additively manufactured (AM) in three orientations (Z – vertical, XY – horizontal, ZX45 – midway between vertical and horizontal) by using the Laser Powder Bed Fusion Melting (LPBF-M) method. The AM specimens were subjected to load control fatigue testing under full tension and compression (R = -1) at stress amplitudes ±350, ±400 and ±450 MPa. The XY and ZX45 printing orientations...