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Wyświetlanie 1-15 z 147
Tytuł:
Evaluation of human thermal comfort and heat stress in an outdoor urban setting in summer under arid climatic conditions
Autorzy:
Abdel-Ghany, A. M.
Al-Helal, I. M.
Shady, M. R.
Powiązania:
https://bibliotekanauki.pl/articles/950038.pdf
Data publikacji:
2014
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
arid regions
sensory perception
thermal comfort
climatic conditions
effective temperature
human thermal comfort
solar-radiation fluxes
thermal stress
heat stress
suchy klimat
percepcja sensoryczna
komfort cieplny
warunki klimatyczne
temperatura efektywna
komfort cieplny człowieka
strumienie promieniowania słonecznego
stres termiczny
stres cieplny
Opis:
Thermal sensation and heat stress potential were evaluated in summer in an outdoor arid environment. Such evaluation had never been made in arid regions. Various scales: the temperaturehumidity index (THI), physiological effective temperature (PET), universal thermal climatic index (UTCI) and standard effective temperature (SET*) were used for the evaluation. RayMan software model was used to estimate the PET and SET* and the UTCI-calculator was used for UTCI. The required air dry and wet bulb temperatures (Td, Tw), solar radiation flux (S0) and wind speed (V) were measured in summer (April 29–July 15). The results showed that: Persons are exposed to strong heat stress and would feel very hot most of the day time; and they are safe from heat stress risk and would feel comfortable most of the night time. Heat stress levels can be determined using the PET or UTCI scales; both are valid for arid environment and their results are almost similar; however, the THI cannot be used. SET* index specifically describes the thermal sensations and discomfort conditions along with summer days at any activity under arid conditions.
Źródło:
Environment Protection Engineering; 2014, 40, 3; 139-150
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A numerical examination of an unsteady nonlinear MHD flow in the presence of thermal radiation and heat generation
Autorzy:
Agbaje, T. M.
Leach, P. G. L.
Powiązania:
https://bibliotekanauki.pl/articles/1839890.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
przepływ MHD
promieniowanie cieplne
wytwarzanie ciepła
unsteady MHD flow
spectral perturbation method
spectral relaxation method
thermal radiation
heat generation
Opis:
In this study, the spectral perturbation method and the spectral relaxation method are used to solve the nonlinear differential equations of an unsteady nonlinear MHD flow in the presence of thermal radiation and heat generation. The SPM is mainly based on series expansion, generating series approximation coupled with the Chebyshev spectral method. The numerical results generated using the spectral perturbation method were compared with those found in the literature, and the two results were in good agreement.
Źródło:
International Journal of Applied Mechanics and Engineering; 2021, 26, 1; 1-17
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of preliminary thermal processing applying infra-red radiation on pea seeds cooking process
Autorzy:
Andrejko, D.
Rydzak, L.
Slaska-Grzywna, B.
Gozdziewska, M.
Kobus, Z.
Powiązania:
https://bibliotekanauki.pl/articles/25665.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Źródło:
International Agrophysics; 2008, 22, 1; 17-20
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bidirectionally stretched flow of Jeffrey liquid with nanoparticles, Rosseland radiation and variable thermal conductivity
Autorzy:
Archana, M.
Gireesha, B. J.
Rashidi, M. M.
Prasannakumara, B. C.
Gorla, R. S. R.
Powiązania:
https://bibliotekanauki.pl/articles/240409.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat mass transfer
jeffrey nanofluid
variable thermal conductivity
rosseland approximation
suction
ciepło
masa
zmienna przewodność cieplna
aproksymacja
ssanie
Opis:
Heat and mass transfer stretched flow of an incompressible, electrically conducting Jeffrey fluid has been studied numerically. Nanoparticles are suspended in the base fluid and it has many applications such as cooling of engines, thermal absorption systems, lubricants fuel cell, nanodrug delivery system and so on. Temperature dependent variable thermal conductivity with Rosseland approximation is taken into account and suction effect is employed in the boundary conditions. The governing partial differential equations are first transformed into set of ordinary differential equations using selected similarity transformations, which are then solved numerically using Runge-Kutta-Felhberg fourth-fifth order method along with shooting technique. The flow, heat and mass transfer characteristics with local Nusselt number for various physical parameters are presented graphically and a detailed discussion regarding the effect of flow parameters on velocity and temperature profiles are provided. It is found that, increase of variable thermal conductivity, radiation, Brownian motion and thermophoresis parameter increases the rate of heat transfer. Local Nusselt number has been computed for various parameters and it is observed that, in the presence of variable thermal conductivity and Rosseland approximation, heat transfer characteristics are higher as compared to the constant thermal conductivity and linear thermal radiation.
Źródło:
Archives of Thermodynamics; 2018, 39, 4; 33--57
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Triple diffusive flow of Casson nanofluid with buoyancy forces and nonlinear thermal radiation over a horizontal plate
Autorzy:
Archana, Manjappa
Gireesha, Bijjanal Jayanna
Prasannakumara, Ballajja Chandrappa
Powiązania:
https://bibliotekanauki.pl/articles/240608.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
triple diffusion
casson nanofluid
nonlinear thermal radiation
buoyancy force
siła wyporu
promieniowanie cieplne
Opis:
The presence of more than one solute diffused in fluid mixtures is very often requested for discussing the natural phenomena such as transportation of contaminants, underground water, acid rain and so on. In the paper, the effect of nonlinear thermal radiation on triple diffusive convective boundary layer flow of Casson nanofluid along a horizontal plate is theoretically investigated. Similarity transformations are utilized to reduce the governing partial differential equations into a set of nonlinear ordinary differential equations. The reduced equations are numerically solved using Runge-Kutta-Fehlberg fourth-fifth order method along with shooting technique. The impact of several existing physical parameters on velocity, temperature, solutal and nanofluid concentration profiles are analyzed through graphs and tables in detail. It is found that, modified Dufour parameter and Dufour solutal Lewis number enhances the temperature and solutal concentration profiles respectively.
Źródło:
Archives of Thermodynamics; 2019, 40, 1; 49-69
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Combined effects of thermal radiation and Hall current on MHD Casson nanofluid exerted by peristaltic transport
Autorzy:
Asha, S. K.
Hadapad, Chandrashekhar
Powiązania:
https://bibliotekanauki.pl/articles/1193365.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Hall current
MHD
nanofluid
peristaltic transport
thermal radiation
Opis:
The present work intends to analyse the MHD Casson nano fluid inside an asymmetric channel. The equations governing the fluid flow admit both Thermophoresis and Brownian motion alongside thermal radiation. We acquired closed form analytical solutions for temperature, axial velocity, nanoparticle concentration and pressure gradient profiles. The ascendency of governing parameters like thermal radiation parameter, thermophoresis, Brownian, Hartmann number and Hall parameter on dimensionless temperature, concentration and pressure gradient profiles have been explained in detailed manner with the aid of plots and table. The prevailed results in this article are verified with prior available literature for specific cases and they are in good agreement.
Źródło:
World Scientific News; 2021, 155; 1-22
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
PV/T Systems for Renewable Energy Storage: A Review
Autorzy:
Avijit, Mallik
Hasan, Md. Zahid
Powiązania:
https://bibliotekanauki.pl/articles/1177985.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
HVAC
PV/T System
Solar Heat Radiation
Solar Power
Thermal Energy System
Opis:
Sunlight is converted into electricity and heat simultaneously with the help of PV thermal panels. It is examined that the efficiency of the PV/T panel is higher than the separate PV panels and solar thermal collectors’ efficiency. The electricity conversion-efficiency for a PV system is about 6% to 15% and in moreover cases 85% of the incoming solar energy is either reflected or absorbed as heat energy. Now a day’s Renewable energy has become a hot topic. The energy researchers day by day making advanced researches to make this type of system a useable one. Non-renewable sources will be approximately finished within next 100-150 years. So this type of energy is very important for everyone. Normally researches are made on producing electricity from renewable sources like sun-light, wind energy, tidal energy and etc. In this paper there is a compact review of solar photovoltaic thermal system. The performance of the solar cell decreases with the increasing of temperature. Both the electrical efficiency and the power output of PV module depend on the operating temperature. Photovoltaic thermal hybrid solar collectors, also known as hybrid PV/T systems are systems in which sunlight is converted into thermal and electrical energy both. This paper contains a combination of basic and advanced hybrid PV/T systems that are usable in Asian region.
Źródło:
World Scientific News; 2018, 96; 83-95
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal, mechanical, and tribological properties of PTFE composite with 20% graphite content irradiated with an electron beam
Właściwości termiczne, mechaniczne i tribologiczne kompozytu PTFE z 20% zawartością grafitu napromieniowanego strumieniem elektronów
Autorzy:
Barylski, A.
Kaptacz, S.
Skoneczny, W.
Kupka, M.
Aniołek, K.
Powiązania:
https://bibliotekanauki.pl/articles/190691.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
PTFE
radiation modification
thermal properties
wear
modyfikacja radiacyjna
właściwości termiczne
zużycie
Opis:
The paper investigated the effect of irradiation with an electron beam of energy 10 MeV in doses of 26–156 kGy on polytetrafluoroethylene with a 20% graphite additive. The tests have shown that changes in thermal properties of the composite (heat of crystallization, melting point, and degree of crystallinity) directly affected mechanical properties and contributed to the significant improvement of tribological properties. Tribological tests were performed on a pin-on-disc (T-01) test stand and counter-specimens were made of 1H18N9T steel. The load applied in the friction pair was 1 and 2 MPa (20 and 40 N). A nearly fourfold reduction in linear wear compared to the initial state for a load of 1 MPa has been shown. On the other hand, a more than 20-fold decrease in wear was found during tribological tests when the load was increased to 2 MPa. The most advantageous results were obtained for specimens irradiated with a dose of 104 kGy, and irradiation with a higher dose led to the degradation of the polymer and caused its wear to increase again. The obtained results hold promise for a significant improvement of the operational life of friction couples that do not require lubrication used, for example, in air compressors and engines, and for the possible application of thus modified polymers in nuclear and space industries.
W artykule zbadano wpływ napromieniowania strumieniem elektronów o energii 10 MeV i dawkach 26–156 kGy na politetrafluoroetylen z 20% dodatkiem grafitu. Badania wykazały, że zmiany właściwości termicznych kompozytu (ciepło krystalizacji, temperatura topnienia, stopień krystaliczności) miały bezpośredni wpływ na właściwości mechaniczne oraz znaczną poprawę właściwości tribologicznych. Badania tribologiczne przeprowadzono na stanowisku trzpień-tarcza (T-01) przeciwpróbki wykonano ze stali 1H18N9T. Nacisk w węźle tarcia wynosił 1 i 2 MPa (20 i 40 N). Wykazano blisko 4-krotne ograniczenie zużycia liniowego w porównaniu do stanu wyjściowego dla nacisku 1 MPa. Przy zwiększeniu nacisku do 2 MPa podczas badań tribologicznych stwierdzono natomiast ponad 20-krotne zmniejszenie zużycia. Najkorzystniejsze wyniki uzyskano dla próbek napromieniowanych dawką 104 kGy; napromieniowanie większą dawką prowadziło do degradacji polimeru i ponownego wzrostu zużycia. Otrzymane wyniki rokują na znaczną poprawę trwałości eksploatacyjnej węzłów tarcia niewymagających smarowania stosowanych np. w sprężarkach powietrza, silnikach, a także możliwość zastosowania tak zmodyfikowanych polimerów w przemyśle jądrowym oraz kosmicznym.
Źródło:
Tribologia; 2017, 274, 4; 17-20
0208-7774
Pojawia się w:
Tribologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measurements of a steel charge emissivity under strong irradiance conditions
Autorzy:
Benduch, A.
Wyczółkowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/102336.pdf
Data publikacji:
2014
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
porous charge
thermal radiation
thermal resistance
long elements bundles
effective thermal conductivity
radiative thermal conductivity
Opis:
Steel bars are manufactured in the rolling process, whereby they are characterized by strain hardening and poor plastic properties. In many application cases such properties are improper, therefore, additional heat treatment is required. Crucial influence on the products quality after heat treatment has an appropriate selection of process parameters. In many modern technologies of heat treatment the charge of porous structure is subjected to the heating process. Proper control of heat treatment parameters of bundles of rods requires knowledge on their thermal properties. However, it also requires accurate identification of complex heat transfer processes occurring in the porous material. Such analysis, with respect to bundles of bars, provide a response of qualitative nature of the heat exchange area of these charges. The article describes the emissivity measurements of samples of the steel charge using a thermal imaging camera.
Źródło:
Advances in Science and Technology. Research Journal; 2014, 8, 23; 19-25
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High Temperature Effects in Fused Silica Optical Fibers
Autorzy:
Borzycki, Krzysztof
Jaworski, Marek
Kossek, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1839330.pdf
Data publikacji:
2021
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
fire-resistant fiber optic cable
fire test
fused silica optical fibers
incandescence spectrum
thermal deterioration
thermal radiation
Opis:
Fire-resistant fiber optic cables used in safety and monitoring systems playing an essential role in fire fighting and building evacuation procedures are required to temporarily maintain optical continuity when exposed to fire. However, the use of fused silica fiber at temperatures between 800◦C and 1000◦C is associated with two highly undesirable phenomena. Thermal radiation (incandescence) of optical fibers, with its intensity and spectral distribution being proportional to additional attenuation observed in the fiber’s hydroxyl absorption bands (“water peaks”) is one of them. The other consists in penetration of thermal radiation from the surroundings into the fiber, due to defects in glass, causing light scattering and resulting in fiber brittleness. Thermal radiation is a source of interference in fiber attenuation measurements performed during fire tests and affects normal operation of fiber optic data links in the event of a fire. In this article, results of laboratory tests performed on a telecom single mode and multimode fibers subjected to temperatures of up to 1000◦C are presented.
Źródło:
Journal of Telecommunications and Information Technology; 2021, 3; 56-71
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Remedies to Thermal Radiation in Fused Silica Optical Fibers
Autorzy:
Borzycki, Krzysztof
Jaworski, Marek
Kossek, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2200964.pdf
Data publikacji:
2023
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
attenuation testing
fire resistant fiber optic cable
fire test
fused silica optical fiber
incandescent emission
interference filtering
Opis:
During fire incidents, optical fibers located with-in a fire-resistant cable are usually exposed to temperatures of 800◦C to 1000◦C. Hot fibers generate narrowband thermal (incandescent) radiation and collect broadband thermal radiation originating from the heated surroundings. The power of the second component, initially negligible, increases with time due to the rising number of fiber cracks and other defects acting as couplers for external radiation. Thermal radiation may interfere with fiber attenuation measurements performed during a fire test, but is rather unlikely to prevent data transmission with typical GbE and 10 GbE transceivers during a fire. This problem may be remedied by combining the following methods: using single mode fibers instead of multimode fibers, using bandpass filters to block thermal radiation, and selecting proper transmitter power, wavelength and photodetector.
Źródło:
Journal of Telecommunications and Information Technology; 2023, 1; 88--96
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of thermal diffusion on MHD radiating flow in presence of Cu-nanoparticles, Casson fluid and angle of inclination
Autorzy:
Brahma-Chary, S.
Jayarami-Reddy, K.
Kashaiah, K.
Powiązania:
https://bibliotekanauki.pl/articles/1839816.pdf
Data publikacji:
2020
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
thermal diffusion
MHD
thermal radiation
Casson fluid
Cu nanoparticles
dyfuzja termiczna
promieniowanie cieplne
płyn Cassona
nanocząstki Cu
Opis:
In this study numerical solutions for magnetohydrodynamic transfer, thermal and mass instability, free convection flow through the plate before Casson fluid, heat dissipation, thermal radiation, heat sink, chemical reaction, tilt angle, and saturated porous medium were described. The effectiveness of this study is to analyze the effect of heat diffusion, Casson fluid, the angle of interest on the flow phenomenon of Cu-nanoparticles in the presence of thermal radiation, heat source/heat sink, destructive reaction, heat transfer and mass transfer in a simple way. The finite difference method was used to solve the governing equations which are the added partial differential equations. The effects of different material parameters on velocity, temperature and concentration profiles are explained using graphs and tables. The results are compared with previously published papers and a very good agreement is found. In the boundary layer region, fluid velocity decreases with the increasing values of magnetic field parameter, heat source/sink, Casson fluid, angle of inclination and thermal radiation parameter for Cu-nanoparticles. Also it is noticed that the solutal boundary layer thickness decreases with an increase in the chemical reaction parameter. It is because chemical molecular diffusivity reduces for higher values of Kr.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 2; 43-58
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heat Gain From Thermal Radiation Through Protective Clothing With Different Insulation, Reflectivity and Vapour Permeability
Autorzy:
Brode, P.
Kuklane, K.
Candas, V.
Den Hartog, E. A.
Griefahn, B.
Holmer, I.
Meinander, H.
Nocker, W.
Richards, M.
Havenith, G.
Powiązania:
https://bibliotekanauki.pl/articles/90351.pdf
Data publikacji:
2010
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
protective clothing
heat stress
heat budget models
thermal manikin
Opis:
The heat transferred through protective clothing under long wave radiation compared to a reference condition without radiant stress was determined in thermal manikin experiments. The influence of clothing insulation and reflectivity, and the interaction with wind and wet underclothing were considered. Garments with different outer materials and colours and additionally an aluminised reflective suit were combined with different number and types of dry and pre-wetted underwear layers. Under radiant stress, whole body heat loss decreased, i.e., heat gain occurred compared to the reference. This heat gain increased with radiation intensity, and decreased with air velocity and clothing insulation. Except for the reflective outer layer that showed only minimal heat gain over the whole range of radiation intensities, the influence of the outer garments’ material and colour was small with dry clothing. Wetting the underclothing for simulating sweat accumulation, however, caused differing effects with higher heat gain in less permeable garments.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2010, 16, 2; 231-244
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bodźcowość warunków biometeorologicznych we Wrocławiu
Stimulating qualities of biometeorological conditions in Wrocław
Autorzy:
Bryś, Krystyna
Ojrzyńska, Hanna
Powiązania:
https://bibliotekanauki.pl/articles/578455.pdf
Data publikacji:
2016
Wydawca:
Łódzkie Towarzystwo Naukowe
Tematy:
wskaźnik obciążeń cieplnych człowieka UTCI
stres ciepła
stres chłodu
Wrocław
składowe całkowitego bilansu promieniowania słonecznego
Universal Thermal Climate Index UTCI
heat stress
cold stress
component of solar radiation balance
Opis:
Bodźcowość warunków biometeorologicznych we Wrocławiu przeanalizowana została na podstawie wartości wskaźnika oceny obciążeń cieplnych człowieka UTCI (Universal Thermal Climate Index) w latach 2008–2014. Wyliczono je z danych o kroku godzinowym otrzymanych z Obserwatorium Agro- i Hydrometeorologii Uniwersytetu Przyrodniczego we Wrocławiu, z uwzględnieniem składowych całkowitego bilansu promieniowania słonecznego. Analizie poddane zostały roczne i wieloletnie przebiegi wartości wskaźnika UTCI oraz częstość występowania klas wartości wskaźnika odpowiadających określonej bodźcowości (stres ciepła i zimna). Dla wybranych okresów fal ciepła i chłodu porównano przebiegi głównych meteorologicznych determinant wskaźnika UTCI. Potwierdzono słabą bodźcowość warunków biometeorologicznych Wrocławia. Wykazano, że warunki biometeorologiczne wrocławskich przedmieść charakteryzują się znaczną frekwencją braku obciążeń cieplnych. Zaznaczono, że w ostatnich latach wzrasta liczba sytuacji ze stresem zimna, co w obszarach o stosunkowo niskiej szorstkości podłoża spowodowane jest dynamiką ruchu powietrza w częściej występujących sytuacjach cyklonalnych.
Stimulating qualities of biometeorological conditions of Wrocław were analyzed on the basis of the values of the Universal Thermal Climate Index (UTCI) of the years 2008–2014. UTCI values were calculated from 1-hour data with the use of components of solar radiation balance, measured in the Agro- and Hydrometeorological Observatory of Wrocław University of Environmental and Life Science. Annual and long-standing courses of UTCI and the occurrence frequency of UTCI levels corresponding to a specific stimulating condition (heat and cold stress) were analyzed. For the selected coldwave and heat-wave, the courses of the main meteorological determinants of UTCI were compared. It was demonstrated that the biometeorological conditions of Wrocław suburbia are characterized by a considerable frequency of heat load deficit. It was remarked that the number of incidents of cold stress has increased in recent years. In in the areas of relatively smal l surface roughness, the reason can be attributed to the dynamics of the wind in more frequently occurring cyclonic circulation.
Źródło:
Acta Geographica Lodziensia; 2016, 104; 193-200
0065-1249
Pojawia się w:
Acta Geographica Lodziensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Laminar mixed convection flow from a vertical surface with induced magnetic field and convective boundary
Autorzy:
Chaudhary, K.
Sharma, A.
Jha, A. K.
Powiązania:
https://bibliotekanauki.pl/articles/264352.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
promieniowanie cieplne
absorpcja promieniowania
pole magnetyczne
thermal radiation
radiation absorption
convective boundary
induced magnetic field
Opis:
The objective of this investigation is to study the influence of thermal radiation and radiation absorption parameter on a mixed convection flow over a continuously moving porous vertical plate under the action of transverse applied magnetic field taking into account the induced magnetic field with convective boundary. Under certain assumptions, the solutions for the velocity field, temperature distribution and induced magnetic field are obtained. The influences of various parameters on the velocity, temperature fields and on induced magnetic fields are studied graphically. It is also found that the dimensionless Prandtl number, Grashof number, Schmidt number and magnetic parameter have an appreciable influence on the independent variables.
Źródło:
International Journal of Applied Mechanics and Engineering; 2018, 23, 2; 307-326
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
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