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    Wyświetlanie 1-8 z 8
    Tytuł:
    Urządzenie do lokalizacji sensorów pomiarowych w sondach temperatury wykorzystywane do precyzyjnego wyznaczania SND w konserwie
    A device for locating measuring sensors in temperature probes used for precise determination of SHZ in cans
    Autorzy:
    Szczepka, Maciej
    Stasiak, Alicja
    Czyżewski, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/270989.pdf
    Data publikacji:
    2019
    Wydawca:
    Centralny Ośrodek Badawczo-Rozwojowy Aparatury Badawczej i Dydaktycznej, COBRABiD
    Tematy:
    strefa najmniejszego dogrzania
    sonda temperatury
    wielokanałowa sonda temperatury
    czujnik temperatury
    slowest heating zone
    temperature probe
    multi-channel temperature probe
    temperature sensor
    Opis:
    Artykuł opisuje przyrząd pomiarowy służący do precyzyjnego lokalizowania czujników temperatury w obudowach sond temperatury. Opis dotyczy budowy urządzenia oraz metody pomiarowej.
    The article describes a measuring instrument used for precise location of temperature sensors in temperature probe casings. The description concerns the construction of the device and the measurement method.
    Źródło:
    Aparatura Badawcza i Dydaktyczna; 2019, 24, 3; 193-196
    2392-1765
    Pojawia się w:
    Aparatura Badawcza i Dydaktyczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Poprawność lokalizacji strefy najmniejszego dogrzania a jakość i bezpieczeństwo żywności utrwalanej termicznie
    Correctness location the least-heat zone and quality and safety of thermally preserved food
    Autorzy:
    Czyżewski, Ł.
    Szczepka, M.
    Mizgalski, I.
    Stasiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1366445.pdf
    Data publikacji:
    2018
    Wydawca:
    Centralny Ośrodek Badawczo-Rozwojowy Aparatury Badawczej i Dydaktycznej, COBRABiD
    Tematy:
    sterylizacja
    strefa najmniejszego dogrzania
    wieloczujnikowa sonda temperatury
    sterilization
    least-heat zone
    multi-sensor temperature probe
    Opis:
    W pracy opisano pomiar procesów sterylizacji dwóch produktów – sosu bolońskiego w opakowaniu szklanym oraz fasoli czerwonej w stalowej puszce, przy wykorzystaniu opracowanej w COBRABiD sp. z o.o. wieloczujnikowej sondy temperatury. Badania dotyczyły różnic zmierzonych wartości sterylizacyjnych w zależności od odległości między elementem pomiarowym sondy temperatury a strefą najmniejszego dogrzania w przetworze. Uzyskane podczas pomiarów rezultaty pozwoliły na eksperymentalne wyznaczenie strefy najmniejszego dogrzania, która znajdowała się w najbliższym otoczeniu elementu pomiarowego umieszczonego najgłębiej w produkcie. Wieloczujnikowa sonda temperatury umożliwiła dokładną analizę rozkładu temperatury w obrębie wsadu poddanego procesowi sterylizacji, co w zdecydowany sposób ograniczyło liczbę koniecznych do wykonania pomiarów przy wykorzystaniu tradycyjnych sond jednoczujnikowych.
    This paper describes the sterilization processes of two products – the Bolognese sauce in a glass packaging and red beans in a steel can with the use of the multi-sensor temperature probe developed in COBRABiD Ltd. The research concerned the differences of the measured sterilization values depending on the distance of the temperature probe measuring element from the least-heat zone in the product. The results obtained during the measurements allowed for the experimental determination of the zone of the smallest heating, which was located in the immediate vicinity of the measuring element placed deepest in the product. The multi-sensor temperature probe made it possible to accurately analyze the temperature distribution within the charge subjected to the sterilization process, which significantly reduced the number of measurements necessary to perform using the traditional single sensor probes.
    Źródło:
    Aparatura Badawcza i Dydaktyczna; 2018, 23, 3; 111-116
    2392-1765
    Pojawia się w:
    Aparatura Badawcza i Dydaktyczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of multiple velocity and temperature probe sets for ventilated spaces
    Autorzy:
    Alimardani, R.
    Hoff, S.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/24933.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    temperature measurement
    temperature
    ventilation
    probe
    development
    thermistor
    velocity
    Źródło:
    International Agrophysics; 2005, 19, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary laboratory tests of a new fibre optic high temperature measurement device
    Autorzy:
    Lisiecka, Ewa
    Powiązania:
    https://bibliotekanauki.pl/articles/173508.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    non-contact thermometer
    high temperature measurements
    fibre optic probe
    Opis:
    This article presents the laboratory verification of the author’s algorithm for temperature determination. The conducted tests confirm the ability to eliminate the measurement condition impact (emissivity of the radiation source, attenuation of the atmosphere) on non-contact thermometric measurement results. What is more, this method allows measurement for wavelength shorter than 1 µm to be carried out. The second stage of the work involved transmission tests of the fibre optic probe. The use of three quartz rods ensured that thermal radiation from each direction in a perpendicular plane to the probe head is collected and transmitted. The combination of the new temperature determination method and new constructed measurement instrument will allow the area of application of a non-contact thermometric device to be extended.
    Źródło:
    Optica Applicata; 2019, 49, 4; 669-677
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structure and local parameters of self-compressed plasma streams in external magnetic field
    Autorzy:
    Volkova, Yuliia
    Solyakov, Dmytro
    Marchenko, Anna
    Chebotarev, Volodymyr
    Garkusha, Igor
    Makhlai, Vadym
    Ladygina, Maryna
    Tetyana, Merenkova
    Yeliseyev, Dmytro
    Petrov, Yurii
    Staltsov, Valerii
    Powiązania:
    https://bibliotekanauki.pl/articles/2202565.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    current sheet
    electric probe
    electron temperature
    drift velocity
    pinching discharge
    plasma accelerators
    Opis:
    The influence of the external axial magnetic field on pinching plasma flows generated by a magnetoplasma compressor (MPC) has been studied using magnetic and electric probes. In the presence of an external magnetic field, temperature measurements show two groups of electrons with different temperatures near the plasma stream core. The external magnetic field leads to a noticeable increase in the electric current in the plasma stream, electron temperature, and the formation of the current-sheet-like structure observed in the MPC for the first time.
    Źródło:
    Nukleonika; 2023, 68, 1; 3--9
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gas temperature meter
    Autorzy:
    Zashchepkina, N. M.
    Svyta, M. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2105505.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    meter
    temperature
    PT100
    thermal converter
    sensor
    probe
    miernik
    temperatura
    przetwornik termiczny
    czujnik
    sonda
    Opis:
    Purpose: of the article is to develop a digital portable gas temperature meter in the range of -50…+600°C. To measure the temperature of dusty gas flows in the air pollution sources with the least significant digit of the digital device 1°C. Design/methodology/approach: The microprocessor measuring unit, probe and software is proposed. It leads to build a high-precision temperature meter based on a thin film sensor HM220 type "pt100". Findings: The calculation of the electrical schematic diagram parameters for signal conditioning of the sensor relative to the input range of the analog-to-digital converter. The experimental measuring unit and the probe of the gas temperature meter are assembled. The principle of the gas temperature meter calibration with the help of a precision resistance box MSR-60M is considered. The experimental gas temperature meter has a total standard uncertainty determined by type B for a maximum value of the measurement range of 1.94°C. The error of the sensor "pt100" makes the largest contribution to the total standard uncertainty, so the error increases in proportion to the value of the measured temperature. Research limitations/implications: On the basis of the proposed design of gas temperature meter it is possible to construct devices with various lengths of probes. Practical implications: The proposed meter is designed for environmental laboratories that measure the velocity, flow and sampling of dust and gas emissions from sources of air pollution. Originality/value: The device design differs due to the use of thermostable wire made of constantan as extending conductors of the temperature sensor, which is included in the unbalanced Wheatstone bridge. This solution allows the use of unipolar power supply 3.3 V for both analog and digital part of the meter. Temperature meter based on a thin film resistance thermometer is characterized by relative ease of manufacture, low material consumption, cost and high reliability.
    Źródło:
    Journal of Achievements in Materials and Manufacturing Engineering; 2022, 111, 1; 33--41
    1734-8412
    Pojawia się w:
    Journal of Achievements in Materials and Manufacturing Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Zno Nano Material Interaction With Nd:YAG Laser Under Vacuum
    Autorzy:
    Hussam, N. Mohammed Ali
    Yahya, Abdulkreem Salman
    Powiązania:
    https://bibliotekanauki.pl/articles/1179694.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Langmuir probe
    Nd:YAG laser etching
    Plasma generation
    ZnO nanomaterial
    electron density
    electron temperature
    Opis:
    The goal of this paper is to study the Nd:YAG laser interaction with the ZnO nanomaterial by etching the ZnO nanodisc surface. The preparation of ZnO nanodisc is studied also and the setup which we use in previous experiment published in the (IJRRR, Vol. X, Issue 1, March 2017) is used also. The interaction is done under vacuum conditions with high pressure in the range of (10-3) Tor. The main target of the paper is to study the plasma generated from the etching of the ZnO nanodisc by Nd:YAG laser.
    Źródło:
    World Scientific News; 2017, 72; 248-255
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Four-parameter electromagnetic method for determining the parameters of brewery effluents
    Autorzy:
    Sebko, V. V.
    Pyrozhenko, Ye. V.
    Zashchepkina, N. M.
    Zdorenko, V. G.
    Markina, O. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2201046.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    four-parameter electromagnetic method
    brewery effluents
    magnetic flux probe
    MFP
    conversion function
    joint measurement
    electrical conductivity
    relative permittivity
    density
    temperature
    metoda elektromagnetyczna
    ścieki
    strumień magnetyczny
    funkcja konwersji
    przewodność elektryczna
    względna przenikalność elektryczna
    gęstość
    temperatura
    Opis:
    Purpose of the article is to study a four-parameter electromagnetic method for joint measurements of electrical resistivity k, relative permittivity εr, temperature t and density ρ of samples of acidic, alkaline and average effluents from a microbrewery based on a magnetic flux probe (MFP), which considers the influence of informative parameters of beer effluents on the components of the amplitude and phase signals of a multiparameter device. Design/methodology/approach The implementation of the four-parameter method is carried out on the basis of the dependences G1 = f (A1) and G2 = f (A2) at two frequencies of the electromagnetic field f0 and f1 for acid, alkaline and average effluent and allows you to jointly determine the four parameters of effluent samples with the same converter in the same control area. The proposed method makes it possible to improve the accuracy of identifying effluent samples since the obtained multiparameter information makes it possible to determine the nature and properties of effluent samples using only one transducer with certain physical characteristics. The research results lead to the expansion of the technical capabilities of electromagnetic measurement methods, as well as to an increase in the metrological characteristics of electromagnetic transducers and an increase in the accuracy of measuring the parameters of effluent samples compared to reference methods and measuring instruments. Thus, the implementation of this approach contributes to the prediction and prevention of the reasons for the deviation of beer effluent samples from the specified indicators of environmental safety. Findings The universal conversion functions MFP have been established, connecting the amplitude and phase components of the converter signals with the parameters k, εr, t and ρ of acidic, alkaline and average effluents. Based on the universal transformation functions G1 = f (A1) and G2 = f (A2), a four-parameter electromagnetic method for joint measurements of electrical resistivity k, relative permittivity εr, temperature t and density ρ of acidic, alkaline, and average effluents from breweries has been developed. When conducting research at two close frequencies of the electromagnetic field f0 = 20.3 MHz and f1 = 22 MHz, algorithms were obtained for measuring and calculating procedures for determining k, εr, t and ρ for samples of acidic, alkaline and average effluents from the brewing industry. Research limitations/implications Research perspectives consist in the creation of automated systems for multiparameter measuring control of the physicochemical characteristics of acidic and alkaline effluent from food and processing industries based on the immersed electromagnetic transducer. Based on the data obtained using informative methods to measure the parameters of effluent samples, an integrated method for treating beer effluents of various compositions will be proposed. At the same time, the scheme of the integrated treatment method should include a filter that provides the introduction of a magnetic fluid and a separation device that allows us to remove a fraction, including pollution in itself. Practical implications Is that the proposed four-parameter electromagnetic method makes it possible to determine to what composition the controlled samples of wastewater should be attributed (acidic or alkaline). It, in turn, makes it possible to choose a rational method for treating beer effluents and to prevent the reasons for the deviation of effluent samples from the environmental safety indicators set by the standards. Originality/value of the article is the research related to the expansion of the functional and technical capabilities of the electromagnetic two-frequency transducer MFP through the implementation of a four-parameter electromagnetic method of joint measurements of electrical resistivity k, relative permittivity εr, temperature t and density ρ of acidic, alkaline and average effluents from breweries. The universal transformation functions G1 = f (A1) and G2 = f (A2) found in the work at two close magnetic field frequencies, f0 = 20.3 MHz and f1 = 22 MHz, make it possible to control four physicochemical parameters of acidic, alkaline and average wastewater at the same time by the same MFP. An algorithm has been developed for determining the signal components of a two-frequency thermal MFP, the ranges of which correspond to the ranges of changes in electrical resistivity k, relative permittivity εr, temperature t and density ρ of acidic, alkaline, and average brewery effluents. The basic relations that describe the two-frequency four-parameter electromagnetic method of joint measurements of the physicochemical parameters of acidic, alkaline and averaged beer effluents have been obtained.
    Źródło:
    Journal of Achievements in Materials and Manufacturing Engineering; 2022, 113, 2; 49--64
    1734-8412
    Pojawia się w:
    Journal of Achievements in Materials and Manufacturing Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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