Wyniki wyszukiwania dla: 26H2MF STEEL, BOILER FUEL, AGED MINERAL OIL,

• Hydrogen induced degradation of structural steel exposed to the technical liquid hydrocarbons

  Publikacja

  • B. Świeczko-Żurek
  • A. Zieliński
  • E. Łunarska

  - Rok 2006

  Susceptibility of the differently heat treated 26H2MF steel to stress corrosion cracking has been evaluated in the constant strain rate tension tests done at the strain rate 10-6s-1 and in the constant load tests done at the 0,98 of fracture load. The boiler fuel and the aged mineral oil at 135C and 80C respectively, have been used as the aggressive environments.

• Experimental research on helical coil biomass boiler with oil as a heating fluid

  Publikacja

  • T. Turzyński
  • D. Kardaś

  - Transactions of the Institute of Fluid-Flow Machinery - Rok 2013

  This paper presents an experimental research of helical coil biomass boiler with thermal oil heating agent. Heat exchanger consists of two coaxial helical coils swept by the flue gases. The burner is a single vertical retort connected to the fuel tank (wooden pellets). The boiler is a part of micro-power plant in which the heat from the boiler is exchanged with low-boiling HFE7100 to produce steam for a custom steam turbine. The...

• The influence of water and mineral oil on volumetric losses in a hydraulic motor

  Publikacja

  • P. Śliwiński

  - Polish Maritime Research - Rok 2017

  In this paper volumetric losses in hydraulic motor supplied with water and mineral oil (two liquids having significantly different viscosity and lubricating properties) are described and comparison. The experimental tests were conducted using an innovative hydraulic satellite motor, that is dedicated to work with different liquid, including water. The sources of leaks in this motor are characterized and described also. On this...

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• Influence of water and mineral oil on the leaks in satellite motor commutation unit clearances

  Publikacja

  • P. Śliwiński

  - Polish Maritime Research - Rok 2017

  The article describes the flow rates of mineral oil and water flowing, as working media, through the commutation unit of a hydraulic satellite motor. It is demonstrated that geometrical dimensions of commutation unit clearances change as a function of the machine shaft rotation angle. Methods for measuring the rate of this flow and the pressure in the working chamber are presented. The results of pressure measurements in the working...

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• The Influence of Water and Mineral Oil on Pressure Losses in Hydraulic Motor

  Publikacja

  • P. Śliwiński
  • P. Patrosz

  - Rok 2021

  In this paper, pressure losses in hydraulic motor supplied with water and mineral oil (two liquids that have significantly different viscosity and lubricating properties) are described and compared. The experimental tests were conducted using a hydraulic satellite motor that is dedicated to working with different liquids, including water. The methodology of measuring the pressure drop in internal channels of this motor is also...

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• The sensitivity of bacteria to heavy metals in presence of mineral ship motor oil in coastal marine sediments and waters.

  Publikacja

  • K. Jankowska
  • K. Olańczuk-Neyman
  • E. Kulbat

  - POLISH JOURNAL OF ENVIRONMENTAL STUDIES - Rok 2006

  The sensitivity of bacteria, isolated from coastal marine sediments and waters of Sopot beach, Gdańsk Bay (Poland), to heavy metals in the presence of mineral ship motor oil were studied. All isolated heterotrophic bacteria were resistant to the 0.1 mM lead concentration occurring in the environment. Metal resistance of bacteria isolated from coastal water was strongly related to mineral ship motor oil concentration. At 0.1% mineral...

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• THE INFLUENCE OF WATER AND MINERAL OIL ON MECHANICAL LOSSES IN THE DISPLACEMENT PUMP FOR OFFSHORE AND MARINE APPLICATIONS

  Publikacja

  • P. Śliwiński

  - Polish Maritime Research - Rok 2018

  In this paper mechanical losses in a positive displacement pump supplied with water and mineral oil (two liquids having significantly different viscosity and lubricating properties) are described and compared. The experimental tests were conducted using a special design (prototype) of a satellite pump. The design of the satellite pump is presented in the article. The pump features a non-circular tooth working mechanism. This pump...

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• The Influence of Water and Mineral Oil on Mechanical Losses in a Hydraulic Motor for Offshore and Marine Applications

  Publikacja

  • P. Śliwiński

  - Polish Maritime Research - Rok 2020

  In this paper, mechanical losses in a hydraulic motor supplied with water and mineral oil (two liquids having significantly different viscosity and lubricating properties) are described and compared. The experimental tests were onducted using a special design (prototype) of a hydraulic satellite motor. The design of the satellite motor is presented. This motor was developed to supply both with water and mineral oil and features...

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• Mineral oil-based hydrostatic drives as the basic drive systems in the construction of offshore eqiupment projects

  Publikacja

  • R. Drozd
  • W. Pędzich

  - Przedsiębiorstwo we współczesnej gospodarce - teoria i praktyka - Rok 2018

  The aim of this article is to present the components used in the production of mineral oil-based hydrostatic drives as the basic drive systems for the offshore industry. The article contains de-scriptions of the components of the said systems, with the description of their suitability for mi-neral oil operation and offshore applications.

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• The influence of water and mineral oil on volumetric losses in the displacement pump for offshore and marine applications

  Publikacja

  • P. Śliwiński

  - Polish Maritime Research - Rok 2019

  In this paper volumetric losses in a positive displacement pump supplied with water and mineral oil are described and compared. The experimental tests were conducted using a prototype of a satellite pump (with a non-circular tooth working mechanism). In this paper the sources of volumetric losses in this pump are characterised. On this basis, a mathematical model of these losses has been presented. The results of the calculation...

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• ASSESSING THE POTENTIAL REPLACEMENT OF MINERAL OIL WITH ENVIRONMENTALLY ACCEPTABLE LUBRICANTS IN A STERN TUBE BEARING: AN EXPERIMENTAL ANALYSIS OF BEARING PERFORMANCE

  Publikacja

  • J. Kowalski
  • W. Leśniewski
  • D. Piątek
  • D. Cuper-Przybylska

  - Polish Maritime Research - Rok 2021

  T his study compares the performance of a plain bearing, with a similar structure to a tail shaft stern bearing, lubricated with either mineral oil or an environmentally acceptable lubricant (EAL). The main characteristic of the bearing is its length/diameter ratio of <1. Measurements are carried out with the bearing operating under loads from 0.5 to 1 MPa and seven speeds ranging from 1 to 11 rev/s. The bearing lubricated...

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• Environmentally acceptable lubricants (EAL) compared with a reference mineral oil as marine stern tube bearing lubricant – Experimental and theoretical investigations

  Publikacja

  • J. Frost
  • M. Frycz
  • J. Kowalski
  • M. Wodtke
  • W. Litwin

  - TRIBOLOGY INTERNATIONAL - Rok 2023

  The purpose of this research is to indicate the potential differences in bearing characteristics resulting from the application of different lubricant types with the same viscosity grade. The effect of different environmentally acceptable lubricants (EALs) on hydrodynamic journal bearing properties is studied experimentally and compared to the properties obtained after lubrication with a reference mineral oil. The results of the...

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• Hydrogen degradation of the 26H2MF alloy steel in H2SO4 and hydrocarbon environments.

  Publikacja

  • B. Świeczko-Żurek
  • A. Zieliński
  • P. Michalak

  - Rok 2004

  STAL 26H2MF ZOSTALA PODDANA RÓZNEJ OBRÓBCE CIEPLNEJ, PO KTÓREJ UZYSKAŁA ONA RÓŻNĄ MIKROSTRUKTURĘ ORAZ CHARAKTER PRZEŁOMU. WYKONANO PRÓBY POWOLNEGO ODKSZTAŁCANIA W ROZCIEŃCZONYM KWASIE SIARKOWYM, PALIWIE CIĘZKIM I PRZEPRACOWANYM OLEJU SILNIKOWYM PRZEPRACOWANYM.

• THE COMPARATIVE ANALYSIS OF PREPARED MIXTURES OF CRAMBE ABYSSINICA SEED OIL WITH MINERAL AND SYNTHETIC OIL

  Publikacja

  • J. Drabik
  • R. Kozdrach
  • M. Wolszczak
  • J. Iłowska
  • G. Duszyński
  • M. Piątkowski

  - TRIBOLOGIA - Rok 2020

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• Concrete corrosion against penetration of mineral oil application of impregnants

  Publikacja

  • M. Kurpińska

  - Sovremennyj Naucznyj Vestnik - Rok 2008

  Oleje stanowią związki organiczne, w skład których wchodzą kwasy tłuszczowe nasycone i nienasycone oraz gliceryny różnego rodzaju. W zależności od rodzaju i właściwości olejów agresywność ich w stosunku do betonu jest różna. Olej izoluje dostęp wody do składników betonu, dlatego nie następuje dalsza hydratacja i przyrost wytrzymałości. Przesycenie betonu olejami powoduje wskutek obniżenia tarcia wewnętrznego tworzywa obniżenie...

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• Palm Oil Fuel Ash-Based Eco-Efficient Concrete: A Critical Review of the Short-Term Properties

  Publikacja

  • M. Amran
  • G. Murali
  • R. Fediuk
  • N. Vatin
  • Y. Vasilev
  • H. Abdelgader

  - Materials - Rok 2021

  The huge demand for concrete is predicted to upsurge due to rapid construction developments. Environmental worries regarding the large amounts of carbon dioxide emanations from cement production have resulted in new ideas to develop supplemental cementing materials, aiming to decrease the cement volume required for making concrete. Palm-oil-fuel-ash (POFA) is an industrial byproduct derived from palm oil waste’s incineration in...

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• Wnikanie wodoru z paliwa i oleju do stali stopowych 26h2mf i 34hnm oraz jego oddziaływanie z defektami struktury = The hydrogen entry from fuel and oil to the 26h2mf and 34hnm alloy steels, and its interaction with structure defects

  Publikacja

  • B. Świeczko-Żurek

  - Rok 2006

  Wykonano badania skłonności do korozji naprężeniowej przy rozciąganiu próbek ze stałą małą prędkością 10-6s-1, przy obciążeniu cyklicznie zmiennym w środowisku gorącego paliwa kotłowego i gliceryny oraz badania absorpcji wodoru dla stali stopowych 26H2MF i 34HNM w paliwie kotłowym, przepracowanym oleju mineralnym oraz glicerynie jako środowisku referencyjnym. Wykazano największą wrażliwość stali przy obciążeniach zmiennych oraz...

• Physical and numerical modelling of heat-flow processes in tangentially pulverized fuel-fired boiler

  Publikacja

  • J. Barański
  • J. Stąsiek
  • W. Błasiak

  - TASK Quarterly - Rok 2003

  Praca przedstawia wykorzystanie eksperymentalnego modelowania fizycznego kwasowo-zasadowego do modernizacji kotła pyłowego z tangencjalną komorą spalania w aspekcie ograniczenia emisji toksycznych składników węgla, siarki i azotu oraz doboru optymalnych parametrów termodynamicznych mieszania i spalania. Dodatkowo, w celu porównania wyników pomiarów kotła po modernizacji, wykonano obliczenia numeryczne z zastosowaniem oprogramowania...

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• Physical and numerical modelling of flow pattern and combustion process in pulverized fuel fired boiler.

  Publikacja

  • J. Barański

  - Rok 2002

  W pracy przedstawiono źródła powstawania toksycznych związków podczas procesu spalania, metody ich redukcji. Do tego zadania wykorzystano eksperymentalne modelowanie fizyczne i uzupełniono je modelowaniem numerycznym. Obie metody, techniki modelowania miały na celu optymalizację procesu spalania.Wyniki obliczeń numerycznych porównano z pomiarami.

• Susceptibility of Cr-Ni-Mn steel to the hydrogen degradation in boiler fuel = Podatnośc stali Cr-Mn-Ni na niszczenie wodorowe w paliwie kotłowym

  Publikacja

  • B. Świeczko-Żurek
  • A. Zieliński
  • E. Łunarska

  - Ochrona przed Korozją - Rok 2006

  Stal 34HNM poddana różnym obróbkom cieplnym wykazała skłonność do korozji naprężeniowej w pomiarach ze stałą niską szybkością rozciągania i do zmęczenia korozyjnego niskocyklowego. Mechanizmem zniszczenia była degradacja wodorowa. Możliwe źródła pochłaniania wodoru to: korozja, degradacja węglowodorów z tworzeniem się kwasów organicznych i promotorów wnikania wodoru.

• Investigation of the flow, heat and mass transfer and emissions in pulverized fuel fired boiler using physical and numerical modeling.

  Publikacja

  • J. Barański
  • J. Stąsiek

  - Rok 2006

  Praca przedstawia wykorzystanie techniki modelowania fizycznego trójwymiarowego oraz obliczeń numerycznych umożliwiających symulację rzeczywistych procesów spalania paliw stałych i gazowych w urządzeniach energetycznych. Dodatkowo wyniki obliczeń porównano z wynikami modelowania fizycznego oraz pomiarów na obiekcie rzeczywistym.

• The influence of type of dispersed phase on rolling contact fatigue of lubricating greases on mineral base oil

  Publikacja

  • R. Kozdrach
  • R. Kozdrach

  - Tribologia: Finnish Journal of Tribology - Rok 2020

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• Effect of Extraction Methods on Polyphenols, Flavonoids, Mineral Elements, and Biological Activities of Essential Oil and Extracts of Mentha pulegium L.

  Publikacja

  • M. Messaoudi
  • A. Rebiai
  • B. Sawicka
  • M. Atanassova
  • H. Ouakouak
  • I. Larkem
  • C. Egbuna
  • C. Awuchi
  • S. Boubekeur
  • M. Ferhat... i 2 innych

  - MOLECULES - Rok 2021

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• On possible lowering fuel oil consumption by differentiating loads on ship diesel engines running in parrallel.

  Publikacja

  • J. Herdzik
  • A. Balcerski

  - Polish Maritime Research - Rok 2003

  Podano możliwości zmniejszenia zużycia paliwa przez silniki okrętowe pracujące równolegle dzieki różnicowaniu ich obciążeń eksploatacyjnych. Zaprezentowano podstawy teoretyczne oraz sposób postępowania przy pomiarach zużycia paliwa w czasie rzeczywistym.

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• Stainless steel/yttria stabilized zirconia composite supported solid oxide fuel cell

  Publikacja

  • S. Molin
  • M. Tołczyk
  • M. Gazda
  • P. Jasiński

  - Journal of Fuel Cell Science and Technology - Rok 2011

  W tym artykule opisano wytworzenie i przebadanie kompozytowych elementów nośnych tlenkowych ogniw paliwowych. Podłoża nośne zostały wytworzone ze stali nierdzewnej i tlenkiem itru stabilizowanego tlenku cyrkonu (YSZ), których proszki zmieszano w różnych proporcjach objętościowych. Zachowanie podłoży podczas spiekania (skurcz liniowy, porowatość) oraz wysokotemperaturowe właściwości (odporność na utlenianie, przewodność elektryczna)...

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• The Effect of a Gear Oil on Abrasion, Scuffing, and Pitting of the DLC-Coated 18CrNiMo7-6 Steel

  Publikacja

  • R. Michalczewski
  • M. Kalbarczyk
  • A. Mańkowska-Snopczyńska
  • E. Osuch-Słomka
  • W. Piekoszewski
  • A. Snarski-Adamski
  • M. Szczerek
  • W. Tuszyński
  • J. Wulczyński
  • A. Wieczorek

  - Coatings - Rok 2018

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• Evaluation of porous ferritic Fe22Cr stainless steel for solid oxide fuel cells at high temperature

  Publikacja

  • M. Karpińska
  • K. Dunst
  • J. Karczewski
  • S. Molin
  • P. Jasiński

  - Rok 2012

  W pracy przedstawiono wyniki badań korozji stali Fe22Cr w wysokich temperaturach.

• A method for determination of fuel oil consumption saving by stepvise differetiating loads on ship diesel engines running in paralel.

  Publikacja

  • J. Herdzik
  • A. Balcerski

  - Rok 2004

  przedstawiono metodykę wyznaczania oszczędniości w zużyciu paliwa dla silników pracujących na wspólną sieć w wyniku różnicowania ich obciążeń oraz stosowania metody krokowych zmian obciążenia. znajomość charakterystyk zużycia paliwa poszczególnych silników oraz histogramu rozkładu obciążeńeksploatacyjnych pozwala po zastosowaniu proponowanej metody na wyznaczanie oszczędności w zuzyciu paliwa.

• Abrasive Wear, Scuffing and Rolling Contact Fatigue of DLC-Coated 18CrNiMo7-6 Steel Lubricated by a Pure and Contaminated Gear Oil

  Publikacja

  • W. Tuszyński
  • R. Michalczewski
  • E. Osuch-Słomka
  • A. Snarski-Adamski
  • M. Kalbarczyk
  • A. Wieczorek
  • J. Nędza

  - Materials - Rok 2021

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• A model of fuel combustion process in the marine reciprocating engine work space taking into account load and wear of crankshaft-piston assembly and the theory of semi-Markov processes

  Publikacja

  • J. Girtler

  - Polish Maritime Research - Rok 2016

  The ar ticle analyses the operation of reciprocal internal combu stion engines, with mar ine engines u sed a s an example. The analysis takes into account types of energy conversion in the work spaces (cylinders) of these engines, loads of their crankshaft-piston assemblies, and types of fuel combustion which can take place in these spaces during engine operation. It is highlighted that the analysed time-dependent loads of marine...

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• Fuel, Oils and Greases, W, E, sem.01, zimowy 22/23

  Kursy Online

  Division and origin of fuels. Fossil energy resources in Poland and in the world. Production and structure of fuel consumption. Main directions of crude oil processing. Classification and physical properties of gaseous and liquid fuels - natural gas, gasoline, kerosene, diesel oil, heating oil. Classification and characteristic indicators of solid fuels - hard coal, lignite, peat. Fuel contaminants and methods of their removal....

• Comparative study of operation of condensing and traditional boilers equipped with the ORC module for electricity generation

  Publikacja

  • D. Mikielewicz
  • J. Mikielewicz

  - EPJ Web of Conferences - Rok 2017

  Condensing technology applied to boilers is to make full use of thermal energy contained in the fuel. That means that additionaly the heat from condensation of exhaust gases can be used for the purposes of heating the domestic hot water and to cover the demand for central heating. The study analyzed the operation of the "traditional" boiler equipped with the ORC module as the similar arrangement but with the condensing boiler....

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• Fuel, Oils and Greases, W, E, sem.03, zimowy 22/23

  Kursy Online

  • P. Bzura

  Division and origin of fuels. Fossil energy resources in Poland and in the world. Production and structure of fuel consumption. Main directions of crude oil processing. Classification and physical properties of gaseous and liquid fuels - natural gas, gasoline, kerosene, diesel oil, heating oil. Classification and characteristic indicators of solid fuels - hard coal, lignite, peat. Fuel contaminants and methods of their removal....

• Comparative study of operation of condensing and traditional boilers equipped with ORC module for electricity generation

  Publikacja

  • D. Mikielewicz

  - E3S Web of Conferences - Rok 2017

  The study analyzed the operation of the "traditional" boiler equipped with the ORC module as the similar arrangement but with the condensing boiler. In the case of a conventional boiler there is noted a greater fuel consumption and the greater power generated than in the case of the unit with the condensing boiler. Postulated is the indicator in the form of a ratio of turbine power to the mass flow rate of fuel, which in turn gives...

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• The New Test Procedure for Group-Type Composition of Base Oils of Lubricating Oils, Especially Emitted into the Environment

  Publikacja

  • P. K. Dyguła
  • K. Kucharska
  • M. A. Kamiński

  - ENERGIES - Rok 2020

  Mineral base oil, a product of multistep fine refining of the relevant fractions from vacuum distillation of crude oil, is a main component of so-called mineral lubricating oils containing aliphatic and alicyclic substituted aromatic hydrocarbons, i.e., derivatives of benzene and biphenyl. Mineral lubricating oil is composed mostly of mineral base oil and a low amount of enriching additives, most often products of advanced organic...

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• Energy Systems Stations, W, ET, sem.7, zimowy 22/23 (PG_00042106)

  Kursy Online

  • R. Liberacki

  Internal combustion engines - principle of operation and classification. Heat balance of the engine. Uniform and combined propulsion systems.The main comonents of the propulsion system. Power plant efficiency and waste heat utilization. Cooling water system, lubricating oil system, fuel oil systeml, gaseos fuel system (LNG), compressed air system, exhaust gas system. Fittings and accessories of pipeline systems in the power plant....

• Risks caused by microbiologically influenced corrosion in diesel fuel storage tanks

  Publikacja

  • M. Kuna
  • A. Miszczyk

  - Ochrona przed Korozją - Rok 2024

  Microbiologically influenced corrosion (MIC) poses serious problems for the petrochemical and refinery industries. Particularly favourable conditions for MIC arise in storage tanks and transmission pipelines for mixtures of diesel oil with the addition of a biocomponent (in Poland 7%). The best conditions for the development of MIC occur at the fuel-water interface, where microorganisms are provided with a source of food and water,...

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• Top 10 Iran Export Goods in 2011

  Dane Badawcze

  open access

  • P. Kasprzak

  In the structure of Iranian exports the dominant position are different types of fuel (including chemical industry products). The structure of imports is much more fragmented. Positions worth of consideration are machinery and equipment, steel, vehicles parts, cereals and food.

• Effect of different crystalline structures on W/O and O/W/O wax emulsion stability

  Publikacja

  • P. Szumała
  • N. Luty

  - COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS - Rok 2016

  tThe possibility of emulsion stabilization using mineral and vegetable wax particles only (without sur-factant) was investigated. Mineral waxes, paraffin wax and ceresin, and a vegetable wax, carnauba wax,were used. The content of the wax particles and the water to oil proportion were found crucial for thestability of all emulsions. Some emulsions were also produced with a liquid wax (i.e. jojoba oil). Themultiple light scattering...

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• ANALYSIS OF DIESEL OIL SPECIFIC HEAT IMPACT FOR OPERATION OF THE SUPPLY PUMP

  Publikacja

  • P. Bzura
  • D. Kreft

  - Journal of Polish CIMEEAC - Rok 2017

  The article describes a test rig that allows the measurement of fuel oil specific heat changes based on the cooling time of liquids. After that, by analysing the test results, a research hypothesis was created and verified. The hypothesis is that the specific heat energy of fuel oil impact the operation of the circulation pump.

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• Experimental research on marine oil-lubricated stern tube bearing

  Publikacja

  • W. Litwin

  - PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY - Rok 2019

  Bearings of propeller shafts are very crucial elements of the propulsion system of each of the ships. The safety of shipping depends on their durability and reliability. The new legal restrictions mean that today we are looking for environmentally friendly solutions. That is why water-lubricated bearings are becoming more and more popular. So, will oil-lubricated shaft bearings belong to the past? The bearing with a white metal...

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• Efficiency and proportions of waste tyre pyrolysis products depending on the reactor type—A review

  Publikacja

  • W. Lewandowski
  • K. Januszewicz
  • W. Kosakowski

  - JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS - Rok 2019

  This article discusses the current use of different pyrolytic reactors, their constructions and operating principles regarding the yields of main products of waste tyre pyrolytic recycling. Whether one makes a larger or smaller profit, or even a loss due to a surcharge being levied on waste tyre recycling, depends on the sale of the pyrolysis products (gas, char, oil), the proportions and market prices of which differ. The cheapest...

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• Research on flue gas flow measurement and modelling in the moving grate biomass boiler

  Publikacja

  • K. Ronewicz
  • T. Turzyński
  • I. Wardach-Święcicka
  • D. Kardaś

  - Rok 2013

  The aim of this research was to determine the nature of gas flow in a grate boiler model by the method of Particle Image Velocimetry (PIV) and CFD. The paper presents the comparison of the PIV results with numerical simulations made in the environment of ANSYS Fluent. The main goal of the experiment was to describe the phenomena occurring on the grate. Methodology of modelling solid fuel combustion on the moving grate was proposed...

• RAPESEED PELLET - A BYPRODUCT OF BIODIESEL PRODUCTION - AS AN EXCELLENT RENEWABLE ENERGY SOURCE

  Publikacja

  • E. Klugmann-Radziemska
  • K. Ciunel

  - Chemistry-Didactics-Ecology-Metrology - Rok 2013

  Vegetable oils are renewable feedstock currently being used for production of biofuels from sustainable biomass resources. The existing technology for producing diesel fuel from plant oils, such as rapeseed, soybean, canola and palm oil are largely centered on transesterification of oils with methanol to produce fatty acid methyl esters (FAME) or biodiesel. Rapeseed pellet - crushed seed residue from oil extraction is a byproduct...

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• Zagadnienia tribologiczne w hamulcu silnika hydraulicznego

  Publikacja

  • P. Śliwiński

  - Rok 2018

  Przedmiotem badań był prototypowy hamulec cierny wielopłytkowy do silnika satelitowego SM-0,6 o teoretycznej objętości roboczej 16,7 cm3/obr. Hamulec ten zbudowany był z 27 tarcz ciernych wykonanych z materiału TOLOX oraz z pakietu sprężyn talerzowych zamontowanych w układzie X. Zablokowanie hamulca następuje w skutek siły docisku pakietu sprężyn talerzowych płytek ciernych co następuje w chwili spadku ciśnienia w komorze tłoka...

• The experimental results of diesel fuel spray with marine engine injector

  Dane Badawcze

  open access

  • J. Grochowalska
  • J. Kowalski
  • Ł. J. Kapusta
  • P. Jaworski

  The data set presents the measurement of the diesel fuel spray from with marine engine injector. The main target presents results is a study of the time course of macro parameters (spray tip penetration, spray cone angle) of fuel spray in the cylinder of marine diesel engine. The impact of ambient conditions and the geometrical parameters of the injector...

• Power balance in hydraulic satellite motors supplied with oil and HFA-E emulsion

  Publikacja

  • P. Śliwiński

  - Rok 2008

  Mineral oil and HFA-E emulsion are liquids which differ in viscosity, density and lubricant properties. Therefore, supplying hydraulic satellite motors with these liquids, differences between quantity of hydraulic, volumetric and mechanical losses are observed. These losses influence efficiency of conversion of hydraulic energy into mechanical energy and thereby power balance of motors.

• Glass-ceramic sealants and steel interconnects: accelerated interfacial stability and reactivity tests at high temperature

  Publikacja

  • A. Drewniak
  • D. Koszelow
  • P. Błaszczak
  • K. Górnicka
  • K. Jurak
  • H. Javed
  • A. G. Sabato
  • P. Jasiński
  • S. Molin
  • F. Smeacetto

  - MATERIALS & DESIGN - Rok 2021

  High-temperature reactions between glass-ceramic sealants and Fe-Cr alloy interconnects may lead to the formation of undesirable phases, and consequently degradation of solid oxide fuel/electrolyser devices. In this work, three different glass-ceramic sealants (Na-containing, Ba-containing, Sr-containing compositions) and Fe22Cr stainless steel powders (raw and pre-oxidised) are considered in order to test their chemical reactivity...

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• High temperature corrosion of evaporator tubes with thermal sprayed coatings

  Publikacja

  • J. Łabanowski
  • J. Ćwiek

  - Solid State Phenomena - Rok 2010

  Degradation examinations of outer surface of low-emission steam boiler evaporator tubes are presented in the paper. Metallographic evaluation of scale morphology, its micro sites chemical composition analysis and distribution of elements on cross sections have been performed. Water-wall tubes were exposed in steam boiler for up to two years period. Common tubes made of 16Mo3 steel suffered sulphide and molten salts corrosions....

  Pełny tekst do pobrania w serwisie zewnętrznym

• Corrosion of evaporator tubes in low emission steam boilers

  Publikacja

  • S. Topolska
  • J. Łabanowski

  - Archives of Materials Science and Engineering - Rok 2010

  Purpose of this paper is to reveal the mechanisms of corrosion processes of outer surfaces of low-emission steam boiler evaporator tubes. Examinations were performed to find the reasons of different corrosion susceptibility of tubes situated at combustion chamber on various levels. Examinations were conducted on several segments of 57 x 5.0 mm evaporator tubes made of 16M (16Mo3) steel grade. Segments were taken from level of...