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Wyszukujesz frazę "Bhandari, A." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Effect of magnetic field dependent viscosity on the unsteady ferrofluid flow due to a rotating disk
    Autorzy:
    Bhandari, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/266158.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    ferrofluid
    lepkość
    rotacja
    MFD viscosity
    rotating risk
    Opis:
    The effect of magnetic field dependent viscosity on ferrofluid flow due to a rotating disk is studied in the presence of a stationary magnetic field. The results for velocity profiles for various values of MFD viscosity parameter are shown graphically. These results are compared with the ordinary case when the applied magnetic field is absent. Besides, the shear stress on the wall of the disk and its surface is calculated numerically.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2020, 25, 2; 22-39
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical solution through mathematical modelling of unsteady MHD flow past a semi-infinite vertical moving plate with chemical reaction and radiation
    Autorzy:
    Bhandari, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/178846.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    MHD flow
    chemical reaction
    radiation
    numerical solution
    Opis:
    In the present manuscript, unsteady magnetohydrodynamic (MHD) flow over a moving porous semi-infinite vertical plate with time-dependent suction has been studied in the presence of chemical reaction and radiation parameters. Time-dependent partial differential equations in the dimensionless form are solved numerically through mathematical modelling in COMSOL Multiphysics. The results are obtained for velocity, temperature and concentration profiles at different times. Steady state results are also presented for different values of physical parameters. The parameters involved in the problem are useful to change the characteristics of velocity, heat transfer and concentration profiles. The numerical solution of partial differential equations involved in the problem is obtained without sacrificing the relevant physical phenomena.
    Źródło:
    Studia Geotechnica et Mechanica; 2018, 40, 4; 270-281
    0137-6365
    2083-831X
    Pojawia się w:
    Studia Geotechnica et Mechanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ferrofluid flow due to a rotating disk in the presence of a non-uniform magnetic field
    Autorzy:
    Bhandari, A.
    Kumar, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/265387.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    siła magnesowania
    pole magnetyczne
    ciecz ferromagnetyczna
    magnetization force
    ferrofluid
    rotating disk
    magnetic field
    Opis:
    The flow of a ferrofluid due to a rotating disk in the presence of a non-uniform magnetic field in the axial direction is studied through mathematical modeling of the problem. Contour and surface plots in the presence of 10 kilo-ampere/meter, 100 kilo-ampere/meter magnetization force are presented here for radial, tangential and axial velocity profiles, and results are also drawn for the magnetic field intensity. These results are compared with the ordinary case where magnetization force is absent.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2016, 21, 2; 273-283
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of heat transfer properties of nanofluid flow over a shrinking surface through mathematical modeling
    Autorzy:
    Bhandari, A.
    Pavan Kumar Pannala, R. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/265571.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    magnetohydrodynamika
    nanofluid
    przepływ
    ciepło
    magnetohydrodynamics
    velocity
    3D flow
    thermal and heat absorption effects
    shrinking surface
    Opis:
    In the current study, a three dimensional incompressible magnetohydrodynamic (MHD) nanofluid flow over a shrinking surface with associated thermal buoyancy, thermal radiation, and heating absorption effects, as well as viscous dissipation have been investigated. The model has been represented in a set of partial differential equations and is transformed using suitable similarity transformations which are then solved by using the finite element method through COMSOL. The results for velocity and temperature profiles are provided for various values of the shrinking parameter, Biot’s number, heat generation/absorption parameter, thermal Grashof number, nanoparticle volume fraction, permeability parameter, magnetic parameter and radiation parameter.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2020, 25, 2; 40-56
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental investigations of various modes of charging on HCCI engine
    Autorzy:
    Prasad, A. Renuka
    Bhandari, Rakesh
    Jagadish, Donepudi
    Powiązania:
    https://bibliotekanauki.pl/articles/245191.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    HCCI technology
    homogeneous mixture
    thermal efficiency
    combustion rate
    emissions
    Opis:
    Homogeneous Charged Compression Ignition technology is most favourable or suitable for Internal Combustion engines for reducing the exhaust emissions and enhances the Thermal efficiency, improve the fuel consumption, and increase the rate of combustion. This article represents the various charging methods on HCCI technology engine; it improves the engine performance and determines the emission characteristics of HCCI technology engine. The homogeneous mixture prepared with different methods. In –cylinder internal homogeneous mixture preparation method applied in this present work. It reduces the exhaust emissions released from the combustion chamber. However, oxides of nitrogen and soot emissions are significantly reduce, because combustion starts at lower temperatures and various points in combustion chamber. The HCCI technology generates small amount of exhaust emissions and it improves the performance of the engine. In addition, performance and released emissions depends on the quality and quantity of homogeneous mixture.
    Źródło:
    Journal of KONES; 2019, 26, 1; 119-126
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermodynamic analysis of combined ORC-VCR system with recuperator and reheater
    Autorzy:
    Rawat, Kamal Singh
    Bhandari, Prabhakar
    Bisht, Vijay Singh
    Powiązania:
    https://bibliotekanauki.pl/articles/2142837.pdf
    Data publikacji:
    2022
    Wydawca:
    Centrum Badań i Innowacji Pro-Akademia
    Tematy:
    low grade energy
    organic Rankine cycle
    refrigeration
    hydrocarbons
    recuperator
    reheaters
    energia
    ORC
    organiczny obieg Rankine'a
    chłodzenie
    węglowodory
    rekuperator
    nagrzewnica
    Opis:
    The trend of utilization of low-grade thermal energy gain huge attention due to increase in energy demand and depletion of conventional resources of energy. Low grade energy can be used in ORC-VCR cycle for refrigeration purpose. In the present work, to improve the performance a modified ORC-VCR cycle, recuperator and reheater are integrated in the cycle. The thermodynamic analysis of the modified system has been conducted with R600a, R600, R290 and R1270 as working fluids under various operating conditions viz. evaporator temperature, condenser temperature, boiler exit temperature. Different parameters evaluated to assess the performance are overall COP, mass flow rate per kW cooling capacity, expansion ratio and compression ratio. From the analysis, butane is found as a best choice for the modified ORC–VCR cycle. It was found that for the modified ORC-VCR cycle at boiler exit temperature of 90°C and condenser temperature 40°C has system COP of 0.5542 with butane, which is 7.1% and 18% higher than that of ORC-VCR cycle with recuperator and simple ORC-VCR cycle, respectively.
    Źródło:
    Acta Innovations; 2022, 44; 34-44
    2300-5599
    Pojawia się w:
    Acta Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A review on active techniques in microchannel heat sink for miniaturization problem in electronic industry
    Autorzy:
    Bhandari, Prabhakar
    Singh, Jarnail
    Kumar, Kaushal
    Ranakoti, Lalit
    Powiązania:
    https://bibliotekanauki.pl/articles/2175199.pdf
    Data publikacji:
    2022
    Wydawca:
    Centrum Badań i Innowacji Pro-Akademia
    Tematy:
    microchannel heat sink
    active technique
    electrostatic force
    flow pulsation
    magnetic field
    heat transfer enhancement
    radiator mikrokanałowy
    siła elektrostatyczna
    pulsacja przepływu
    pole magnetyczne
    wymiana ciepła
    Opis:
    With continuous miniaturization of modern electronic components, the need of better cooling devices also keeps on increasing. The improper thermal management of these devices not only hampers the efficiency but can also cause permanent damage. Among various techniques, microchannel heat sink has shown most favourable performance. To further enhance the performance, two techniques i.e., active and passive are used. In passive technique, no external power source is required like heat sink design alteration and working fluid modification. External power source is necessary for heat transfer augmentation in the microchannel heat sink when using the active approach. Due to compact size of microchannel, active techniques are not used more often. However, the present work highlights the different active technique used in microchannel i.e., Electrostatic forces, flow pulsation, magnetic field, acoustic effects, and vibration active techniques. Above mentioned techniques have been analysed in detail.
    Źródło:
    Acta Innovations; 2022, 45; 45--54
    2300-5599
    Pojawia się w:
    Acta Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Corruption a Chronic Disease of Humanity: Causes, Effects and Consequences
    Autorzy:
    Bhandari, Medani P.
    Powiązania:
    https://bibliotekanauki.pl/articles/19233680.pdf
    Data publikacji:
    2023-03-31
    Wydawca:
    Wyższa Szkoła Finansów i Prawa w Bielsku-Białej
    Tematy:
    Corruption
    Transparency International
    Pew Research Center
    United Nations
    Politics and Government
    Business and Economy
    Healthcare and Pharmaceuticals
    Education
    Civil Society and NGOs
    Forms of Corruption
    Impact of Corruption
    Corruption Perceptions Index (CPI)
    Opis:
    Corruption is a persistent problem, especially in the developing world, posing significant obstacles to national development. This paper provides an overview of corruption, its causes, and strategies to address it. Stakeholders, including academics, development practitioners, international and UN agencies, as well as governments, must recognize the urgency of collaboration to combat corruption. This is an opinion paper based on desktop research. It will give an idea how severe corruption is particularly in the poor developing countries.
    Źródło:
    Zeszyty Naukowe Wyższej Szkoły Finansów i Prawa w Bielsku-Białej; 2023, 27, 1; 5-17
    2543-9103
    2543-411X
    Pojawia się w:
    Zeszyty Naukowe Wyższej Szkoły Finansów i Prawa w Bielsku-Białej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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