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Search results for: ZT
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2020/21 ZTM Chemia Organiczna Laboratorium
e-Learning CoursesW niniejszym kursie będą organizowane webinary oraz zamieszczane zostaną materiały do nauki w ramach przedmiotu Techniki laboratoryjne dla studentów kierunku Zielone Technologie i Monitoring I stopnia. 2 pierwsze zajęcia przeprowadzone zostaną zdalnie, następnie wejdziemy do laboratorium (2 następne zajęcia), a na koniec czeka Państwa kolokwium na platformie enauczanie.
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2020-21/ZTM/Chemia organiczna/ćwiczenia
e-Learning CoursesOmówienie otrzymywania, właściwości najważniejszych klas związków organicznych. Utrwalenie zagadnień prezentowanych na wykładzie.
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Sposób otrzymywania materiałów termoelektrycznych o współczynniku ZT większym od 1
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Placement II stopień GTM i ZTM 1 sem.
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Placement GTM + ZTM 1 sem II st (WCh)
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ZTE COMMUNICATIONS
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Lara Kalenik, WCH, ZTM i GTM, II st, 2 sem, 20/21l
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Język obcy krajów nadbałtyckich, WCH, GTM/ZTM, st.I, sem.3, 20/21 z.
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Język obcy krajów nadbałtyckich, WCH, GTM/ZTM, st.I, sem.5, 20/21 z.
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Aleksandra Lis, WCH, CH+BT+ZTM+IM, I st, 4 sem, 21/22l
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Aleksandra Lis, WCH, CH+BT+ZTM+IM, I st, 3 sem, 21/22z
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Aleksandra Lis, WCH, CH+BT+ZTM+IM, I st, 5 sem, 22/23z
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Urszula Kamińska, WCH, TCH+CH+BT+INŻ MAT+ZTM, I st, sem 6, 21/22l
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Lara Kalenik, WCH, (BT+CH+KOR+TCH+ZTM + INŻ MAT), I st, 4 sem, 20/21l
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Janina Badocha, WCH , (BT+CH+KOR+TCH+ZTM + INŻ MAT), I st, 6 sem, 2022/23 l
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Janina Badocha, WCH, (BT+CH+KOR+TCH+ZTM + INŻ MAT), I st, 4 sem, 2021/22 z
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Jolanta Maciejewska WCH (BT+CH+TCH+CH BUD+ZTM+GTM+ITNE ) II st, 2 sem 21/22z
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Janina Badocha, WCH 3 (BT+CH+KOR+TCH+ZTM + INŻ MAT), I st, 3 sem, 2022/23 z
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Janina Badocha, WCH 5, (BT+CH+KOR+TCH+ZTM + INŻ MAT), I st, 5 sem, 2022/23 z
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Electromagnetic Simulation with 3D FEM for Design Automation in 5G Era
PublicationElectromagnetic simulation and electronic design automation (EDA) play an important role in the design of 5G antennas and radio chips. The simulation challenges include electromagnetic effects and long simulation time and this paper focuses on simulation software based on finite-element method (FEM). The state-of-the-art EDA software using novel computational techniques based on FEM can not only accelerate numerical analysis, but...
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A CONCEPT OF DETERMINING THE RELATION BETWEEN LOAD AND WEAR OF TRIBOLOGICAL SYSTEMS OF SHIP MAIN SELF-IGNITION ENGINES BY USING PROBABILISTIC APPROACH PROBABILISTIC APPROACH
PublicationThis paper presents a proposal of simultaneous consideration of load and wear associated with it , of tribological systems of ship main engines (intended for ship propulsion) . Based on results of investigations it was assumed that both the load Q (i.e. a cause of wear ) and the wear Z (i.e. an effect of load occurrence) considered in a given time t(0 ≤ t ≤ t) are random variables Qt and Zt, respectively. There was characterized...
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Structure and thermoelectric properties of Te/Ag/Ge/Sb (TAGS) materials obtained by reduction of melted oxide substrates
PublicationThe Ge0.77Ag0.1Sb0.13Te1alloy was fabricated by a novel two step route. For that purpose firstly the oxide reagents were melted at high temperature and quenched into pellets. After that pellets were milled to the powder and then reduced in hydrogen at various temperatures and for various periods of time. Energy dispersive X-ray analysis indicated the possibility of successful fabrication of stoichiometric thermoelectric materials...
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New synthesis route of highly porous InxCo4Sb12 with strongly reduced thermal conductivity
PublicationHighly porous, In-filled CoSb3 skutterudite materials with an attractive thermoelectric figure of merit (ZT * 1) and corresponding dense samples were fabricated through the cost-effective method of reduction in oxides in dry hydrogen and the pulsed electric current sintering (PECS) method, respectively. The reduction process was described in detail using in situ thermogravimetric analysis of Co2O3, Sb2O3 and In(NO3)35H2O separately...
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Novel method for metal-oxide glass composite fabrication for use in thermoelectric devices
PublicationA novel method for thermoelectric materials fabrication using a reduction of oxide precursors in hydrogen was reported. On the example of Bi-Sb, Bi-Sb-Te and Te-Ag-Ge-Sb compounds it was shown that this simple and easy method is suitable for fabrication of two-, three- and even multicomponent thermoelectric materials. It allows controlling a composition, microstructure and even type a of electrical charge carriers. As a result...
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Cathodic activation of synthesized highly defective monoclinic hydroxyl‐functionalized ZrO2 nanoparticles for efficient electrochemical production of hydrogen in alkaline media
PublicationThe high electrochemical stability of Zirconia (ZrO2) at high potentials strongly suggested it as an alternative to carbon supports, which experience reduced efficiency due to some corrosion problems particularly during prolonged electrocatalysis activity. However, the use of ZrO2 was limited by its low electrical conductivity and surface area. In this work, we developed a methodology for synthesizing monoclinic ZrO2 NPs with increased...
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Dorota Martysiak-Żurowska dr hab. inż.
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Technical State Assessment of Charge Exchange System of Self-Ignition Engine, Based On the Exhaust Gas Composition Testing
PublicationThis paper presents possible use of results of exhaust gas composition testing of self - ignition engine for technical state assessment of its charge exchange system under assumption that there is strong correlation between considered structure parameters and output signals in the form of concentration of toxic compounds (ZT) as well as unambiguous character of their changes. Concentration of the analyzed ZT may be hence considered...
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Structure and thermoelectric properties of nickel-doped copper selenide synthesised in a hydrogen atmosphere
PublicationNickel-doped copper selenide—Cu2-xNixSe (x = 0; 0.01; 0.02; 0.03)—materials with high thermoelectric properties were synthesised through reduction of reagents in hydrogen. The impact of the nickel content on both the microstructure and thermoelectric properties was examined. The nickel-doped samples’ microstructure differed significantly from pristine copper selenide. Besides Cu2Se, copper precipitations were present in the materials....
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Structure and thermoelectric properties of Bi–Te alloys obtained by novel method of oxide substrates reduction
PublicationA novel method of thermoelectric materials fabrication has been developed. Oxide reagents have been melted at high temperature in air, quenched, milled to powder and reduced in hydrogen to form Bi–Te alloys. Structural and thermoelectric properties of samples have been investigated depending on initial composition and temperature of reduction process. Sample 25Bi2O3–75TeO2 reduced at 340 °C for 10 h has been found to be a p-type...
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Kompozyty termoelektryczne z nanostrukturami węglowymi
PublicationJedną z badanych możliwości poprawy własności materiałów termoelektrycznych jest wytwarzanie kompozytów zawierających nanostrukturalne formy węgla. Opisano najważniejsze wnioski z doniesień naukowych nad takimi materiałami. Oczekuje się, że w wyniku rozpraszania na granicach węgiel - materiał termoelektryczny nastąpi rozpraszanie prowadzące do zmniejszenia przewodności cieplnej. Jednocześnie obserwuje się zmniejszenie przewodności...