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Inclined magnetic field and variable viscosity effects on bioconvection of Casson nanofluid slip flow over non linearly stretching sheet

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Propulsion and Power Research 2022年第4期11卷 565-574页

作者： Noman Sarwar Muhammad Imran Asjad Sajjad Hussain Md.Nur Alam Mustafa Inc Department of Mathematics University of Management and TechnologyLahore54770Pakistan School of Aerospace and Mechanical Engineering Nanyang Technological University639798Singapore Department of Mathematics Pabna University of Science and TechnologyPabna-6600Bangladesh Department of Mathematics Science FacultyFirat University23119ElazigTurkey

In pursuit of improved thermal transportation,the slip flow of Casson nanofluid is considered in the existence of an inclined magnetic field and radiative heat flux flow over a nonlinear stretching *** viscosity of the fluid is considered as a function of temperature along with the convective thermal boundary *** solutions are obtained via Runge-Kutta along with the shooting technique method for the chosen boundary values *** see the physical insights of the problem,some graphs are plotted for various flow and embedded parameters on temperature function,micro-organism distribution,velocity,and volume fraction of nanoparticles.A decline is observed in the velocity and the temperature for Casson *** and Brownian motion incremented the temperature *** is also found that thermal transportation can be enhanced in the presence of nanoparticles and the bioconvection of *** results are useful in the various sectors of engineering and for heat exchangers working in various technological *** main findings of the problem are validated and compared with those in the existing literature as a limiting case.

关键词： Variable viscosity Bioconvection Inclined field Casson fluid Nonlinearly Stretching sheet Convective boundary Velocity slip Varying viscosity

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Travelers'attitudes toward carpooling in lahore:motives and constraints

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Journal of Modern Transportation 2017年第4期25卷 268-278页

作者： Muhammad Ashraf Javid Tahir Mehmood Hafiz Muhammad Asif Ahsan Ullah Vaince Mohsin Raza College of Engineering and Architecture University of NizwaNizwaOman Department of Transportation Engineering and management University of Engineering and TechnologyLahorePakistan Roadway Traffic and Transportation Safety Research CenterUnited Arab Emirates UniversityAl AinUAE

Traffic congestion has become a critical issue in developing countries,as it tends to increase social costs in terms of travel cost and time,energy consumption and environmental *** limited resources,reducing travel demand by influencing individuals’ travel behavior can be a better long-term *** achieve this objective,alternate travel options need to be provided so that people can commute comfortably and *** study aims to identify key motives and constraints in the consideration of carpooling policy with the help of stated preference questionnaire survey that was conducted in lahore *** designed questionnaire includes respondents’ socioeconomic demographics,and intentions and stated preferences on carpooling *** analysis was conducted on travelers’ responses,and a structural model was developed for *** and modeling results reveal that social,environmental and economic benefits,disincentives on car use,preferential parking treatment for carpooling,and comfort and convenience attributes are significant determinants in promoting ***,people with strong belief in personal privacy,security,freedom in traveling and carpooling service constraints would have less potential to use thecarpooling *** addition,pro-auto and pro-carpooling attitudes,marital status,profession and travel purpose for carpooling are also underlying *** findings implicate that to promote carpooling policy it is required to consider appropriate incentives on this service and disincentives on use of private vehicle along with modification of people’s attitudes and intentions.

关键词： Travel behavior Travel demand management Carpooling Stated preference Questionnaire survey lahore

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