Results 111 to 120 of about 71,616 (293)

On the Evidence for the Violation of the Equivalence Principle in Disk Galaxies

Particles
We examine the claimed observations of a gravitational external field effect (EFE) reported by Chae et al. We show that observations suggestive of the EFE can be interpreted without violating Einstein’s equivalence principle, namely from known ...
Corey Sargent, William Clark, Antonia Seifert, Alicia Mand, Emerson Rogers, Adam Lane, Alexandre Deur, Balša Terzić   +7 more
doaj   +1 more source

A Combined Entropy/Phase-Field Approach to Gravity

Entropy, 2017
Terms related to gradients of scalar fields are introduced as scalar products into the formulation of entropy. A Lagrange density is then formulated by adding constraints based on known conservation laws.
Georg J. Schmitz
doaj   +1 more source

Are sterile neutrinos consistent with clusters, the CMB and MOND?

, 2008
If a single sterile neutrino exists such that $m_{\nu_s}\sim11eV$, it can serendipitously solve all outstanding issues of the Modified Newtonian Dynamics. With it one can explain the dark matter of galaxy clusters without influencing individual galaxies,
Aguilar, Aguirre, Ahmad, Angus, Angus, Angus, Angus, Ashie, Bekenstein, Bekenstein, Bertacca, Boesgaard, Bournaud, Bradač, Bregman, Buote, Burles, Clowe, de Blok, Dodelson, Fabian, Famaey, Famaey, G. W. Angus, Gastaldello, Gentile, Gentile, Gentile, Gilmore, Giunti, Gnedin, Hayashi, Humphrey, Klypin, Knebe, Kraus, Lewis, Maltoni, McGaugh, McGaugh, McGaugh, McGaugh, McGaugh, McGaugh, McGaugh, Milgrom, Milgrom, Milgrom, Milgrom, Milgrom, Milgrom, Milgrom, Milgrom, Moore, Nusser, O'Sullivan, Perlmutter, Pointecouteau, Romanowsky, Sanders, Sanders, Sanders, Sanders, Sanders, Sanders, Sanders, Schmidt, Seljak, Silk, Skordis, Tegmark, Tremaine, White, Zappacosta, Zlosnik, Zlosnik, Zlosnik   +76 more
core   +1 more source

Buoyancy‐Driven Micropolar Fluid Flow Transport in Porous Media With Variable Heat Source and Convective Heating

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The objective of the current research is to characterize the thermal performance in micropolar fluid flows on a vertically elongated porous sheet in the presence of buoyancy forces. Thus, the motivation of this study is to improve the understanding of buoyancy‐driven micropolar fluid flows through porous media, which are relevant to advanced ...
T. Venu, MD. Shamshuddin, S. O. Salawu
wiley   +1 more source

Applications of a Particular Four-Dimensional Projective Geometry to Galactic Dynamics

Galaxies, 2018
Relativistic location systems that extend relativistic positioning systems show that pseudo-Riemannian space-time geometry is somehow encompassed in a particular four-dimensional projective geometry.
Jacques L. Rubin
doaj   +1 more source

Arrhenius Activation Energy on Viscous and Radiative Heating of Hybridized Chemical Reactive Magnetized‐Casson Nanofluid Flow in Saturated Porous Media With Varied Heat Source/Sink

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study analyzes the influence of Arrhenius activation energy on the chemically reactive, magnetohydrodynamic Casson hybrid nanofluid flow past an exponentially stretching surface embedded in a Darcy–Forchheimer porous medium with a non‐uniform heat source/sink.
Md. Sailanebaba, MD. Shamshuddin, S. O. Salawu   +2 more
wiley   +1 more source

Flow of Elastoviscous Nanofluid Through an Elongating Surface With Dissipative Heat: A Confluent Hypergeometric Solution

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Thermal energy transport likely through polymer extrusion, cooling of metallic plates, and chemical processing equipment relating to the flow of viscoelastic nanofluid has a greater role in engineering because of its elastic characteristics.
Rupa Baithalu, S. R. Mishra, Ram Prakash Sharma, Laxmipriya Swain   +3 more
wiley   +1 more source

Open Star Clusters and Their Asymmetrical Tidal Tails

The Astrophysical Journal
Stars that evaporate from their star cluster by the energy equipartition process end up in either a leading or a trailing tidal tail. In Newtonian gravitation and for open star clusters in the solar vicinity, the tidal threshold, or práh, for escape is ...
Pavel Kroupa, Jan Pflamm-Altenburg, Sergij Mazurenko, Wenjie Wu, Ingo Thies, Vikrant Jadhav, Tereza Jerabkova   +6 more
doaj   +1 more source

Remarks on the properties of elliptical galaxies in modified Newtonian dynamics [PDF]

, 2011
T. Richtler, Benoît Famaey, G. Gentile, Y. Schuberth   +3 more
openalex   +1 more source

ANN‐Enabled Analysis of Nanoparticle Aggregation and Hall Effects on Ag‐H2O Nanofluid Flow Over a Spinning Disk With Convective Heating and Thermal Radiation

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The exceptional characteristics of nanofluids have turned out to be a significant development in revolutionizing heat transfer mechanisms in several electronic cooling devices and industrial manufacturing processes. The present study deals with the investigation of the second law of thermodynamics applied to the steady MHD fluid flow above a ...
Dixita Sonowal, Bidyasagar Kumbhakar
wiley   +1 more source