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Wyszukujesz frazę "Parida, D." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Overall factory average spectrum: global vibration index for diagnosis and prognosis of large sets of rotating machinery
Autorzy:
Galar, D.
Parida, A.
Schunesson, H.
Powiązania:
https://bibliotekanauki.pl/articles/328087.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
drgania
prędkość
przyspieszenie
utrzymanie ruchu
CBM
kolektor danych
wskaźnik
vibration
speed
acceleration
predictive maintenance
data collector
indicator
Opis:
Spectral analysis of rotating machinery requires studying the signals received from each machine, which converts hundreds of spectra to analyze, especially in big plants, where one can find a large number of similar machines. The maintenance departments require few indicators properly hierarchied with the appropriate information necessary for each organizational level, without exceeding the type and amount of information required at the higher levels. It is therefore, necessary for an indicator to show the current vibratory condition of the entire plant, where trends can be easily understood by people, who are not expert in detailed vibration analysis of spectra. The trend shown by the indicator should assess the success of the implementation of CBM and other maintenance programs in the plant, and these parameters should be easily displayable. Therefore, maintenance managers need this kind of indicators and scorecards to measure through simple methods for the success of their departments for achieving contribution to the company goals.
Źródło:
Diagnostyka; 2011, 2(58); 39-47
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of air flow pattern in mine model gallery and its validation using CFD modelling
Autorzy:
Biswal, P. K.
Parida, D.
Mishra, G.
Sahoo, A. K.
Powiązania:
https://bibliotekanauki.pl/articles/1066257.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
k– model
Opis:
Several turbulence models have been urbanized in the past decades, and many of them have been used in predicting airflows and turbulence in enclosed environments. It is vital to approximate the generality and heftiness of the turbulence models for various indoor airflow scenarios in various sections. The present work developed the geometry of the mine model gallery using CATIA version V5R20. It carried out air flow simulation for different inlet velocities and studied the air flow velocity through the section by grid section method and traverse method. An artificial flow regulator was created to study the flow behaviour and calculated Reynolds’s no at bends and turns to characterize the air flow. In this model the turbulence has also been calculated and the zone of turbulence is being located using Ansys fluent. The model was validated by comparing the results of the readings of the actual mine model gallery and by means of mass flow rate at different sections to establish a CFD model for mine gallery and validation of the results of flow behaviour, viz. air velocity, pressure profile, and determination of zone of turbulence of mine model gallery developed using Ansys 18.2.
Źródło:
World Scientific News; 2019, 130; 1-24
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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