Results 21 to 30 of about 54,048 (301)

Effect of the Gap Matching Relation on the Pressure Pulsation Characteristics at Blade’s Surface of the Multiphase Pump

Machines, 2022
The pressure pulsation characteristics of the blade’s surface have an impact on the lifespan of the multiphase pump impeller. To explore the influence of the gap matching relation on the pressure pulsation characteristics at blade’s surface of the pump ...
Guangtai Shi, Zheyu Zhu, Binxin Wang, Haigang Wen   +3 more
doaj   +1 more source

Strange pulsation modes in luminous red giants [PDF]

, 2014
We show that the spectrum of radial pulsation modes in luminous red giants consists of both normal modes and a second set of modes with periods similar to those of the normal modes.
Olivier, E. A., Wood, P. R.
core   +3 more sources

Non-linear modelling of beat Cepheids: Resonant and non-resonant models [PDF]

, 2010
The phenomenon of double-periodic Cepheid pulsation is still poorly understood. Recently we rediscussed the problem of modelling the double-periodic pulsation with non-linear hydrocodes.
Moskalik, P., Smolec, R.
core   +1 more source

Intraocular Pressure Reduction Is Associated with Reduced Venous Pulsation Pressure

PLOS ONE, 2016
To explore whether alterations in intraocular pressure (IOP) affect vein pulsation properties using ophthalmodynamometric measures of vein pulsation pressure.Glaucoma patients had two retinal vein pulsation pressure (VPP) measurements from upper and lower hemiveins performed by ophthalmodynamometry at least 3 months apart.
Morgan, William H., House, Philip H., Hazelton, Martin L., Betz-Stablein, Brigid D., Chauhan, Balwantray C., Viswanathan, Ananth, Yu, Dao-Yi   +6 more
openaire   +5 more sources

Optimized Reduction in Draft Tube Pressure Pulsation for a Francis Turbine [PDF]

Journal of Applied Fluid Mechanics
As a core component of hydroelectric power generation, the stable and safe operation of the Francis turbine is very important for the operation of the project. Therefore, attention must be paid to the problem of pressure pulsation in the Francis turbine.
J. Lu, R. Tao
doaj   +1 more source

On a mechanism for enhancing magnetic activity in tidally interacting binaries [PDF]

, 2002
We suggest a mechanism for enhancing magnetic activity in tidally interacting binaries. We suppose that the deviation of the primary star from spherical symmetry due to the tidal influence of the companion leads to stellar pulsation in its fundamental ...
Belvedere G., Biront D., Cowling T. G., Cowling T. G., de Medeiros J. R., Donati J. F., G. Belvedere, G. Javakhishvili, Glebocki R., Habets G. M. H. J., Hut P., Markey P., Piddington J. H., Roberts P. H., Rutten R. G. M., Savonije G. J., Schrijver C. J., Smeyers P., Spruit H. C., T. Zaqarashvili, Tayler R. J., Tayler R. J., Walen C., Wright G. A. E., Zahn J. P., Zahn J. P.   +25 more
core   +2 more sources

Nonlinear hydrodynamical evolution of rotating relativistic stars: Numerical methods and code tests [PDF]

, 1999
We present numerical hydrodynamical evolutions of rapidly rotating relativistic stars, using an axisymmetric, nonlinear relativistic hydrodynamics code.
Andersson, Andersson, Banyuls, Baumgarte, Butterworth, Chandrasekhar, Colella, Cook, Datta, Donat, Donat, Einfeldt, Font, Friedman, Friedman, Godunov, Gourgoulhon, Harten, Harten, Harten, Harten, Hartle, Houser, Ibáñez, José A. Font, Komatsu, Kostas D. Kokkotas, Lindblom, Marquina, Marti, Marti, Mathews, McDermott, Nikolaos Stergioulas, Nozawa, Owen, Papadopoulos, Rezzolla, Roe, Romero, Shibata, Shibata, Shu, Spruit, Stergioulas, Stergioulas, van Leer   +46 more
core   +3 more sources

Investigation of Unsteady Pressure Pulsation in New Type Dishwasher Pump with Special Double Tongue Volute

Shock and Vibration, 2022
Through numerical simulations, this work analyzes the unsteady pressure pulsation characteristics in new type of dishwasher pump with double tongue volute and single tongue volute, under volute static and rotation conditions.
Jinfeng Zhang, Yilei Zhu, Yalin Li, Ping Huang, Hui Xu, Feng Zheng   +5 more
doaj   +1 more source

Investigation of the Effect of Nozzle on Underwater Detonation Shock Wave and Bubble Pulsation

Energies, 2022
The subject of a gas jet generated by underwater detonation is an important issue in the field of underwater propulsion. The experimental system of underwater detonation is established, which utilizes a high-speed camera to record the morphological ...
Chuanwei Wang, Ning Li, Xiaolong Huang, Chunsheng Weng   +3 more
doaj   +1 more source

Radiation pressure and pulsation effects on the Roche lobe

, 2009
Several observational pieces of evidence indicate that specific evolutionary channels which involve Roche lobe overflow are not correctly accounted for by the classical Roche model. We generalize the concept of Roche lobe in the presence of extra forces (
A. Frankowski, A. Jorissen, Abbott, Alecian, Anderson, Arndt, Babel, Baschek, Bowen, Castor, de Ruyter, Djurasevic, Drechsel, Eggleton, Elitzur, Frankowski, Frankowski, Frankowski, Friend, Gail, Gayley, Glatzel, Gunn, Gustafsson, Hamann, Howarth, Howarth, Huang, Hui-Bon-Hoa, Jorgensen, Kudritzki, L. Siess, Lamers, Langer, Lemke, Maeder, Mastrodemos, Mastrodemos, Michaud, Michaud, Moffat, Mürset, Nugis, Pauldrach, Phillips, Puls, Rafert, Sandin, Sandin, Schröder, Schuerman, Soberman, Sytov, T. Dermine, Theuns, Theuns, Tout, Vanbeveren, Vanbeveren, Wachter, Willson, Zhou   +61 more
core   +1 more source