Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Igor A. Bolotnov"'
Publikováno v:
Nuclear Engineering and Technology, Vol 49, Iss 6, Pp 1318-1325 (2017)
Direct Numerical Simulation (DNS) serves as an irreplaceable tool to probe the complexities of multiphase flow and identify turbulent mechanisms that elude conventional experimental measurement techniques. The insights unlocked via its careful analys
Externí odkaz:
https://doaj.org/article/204bdeee5d23413ca423bae9d1805861
Autor:
Nadish Saini, Igor A. Bolotnov
Publikováno v:
Fluids, Vol 6, Iss 2, p 72 (2021)
In the dispersed flow film boiling regime (DFFB), which exists under post-LOCA (loss-of-coolant accident) conditions in pressurized water reactors (PWRs), there is a complex interplay between droplet dynamics and turbulence in the surrounding steam.
Externí odkaz:
https://doaj.org/article/741cbb4c3bca447fa1f8a5cfe6fdd47e
Publikováno v:
Nuclear Science and Engineering. :1-16
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7838840e9c3264cd7763b24af9212a79
https://doi.org/10.1080/00295639.2022.2107864
https://doi.org/10.1080/00295639.2022.2107864
Autor:
Cheng-Kai Tai, Igor A. Bolotnov
Publikováno v:
75th Annual Meeting of the APS Division of Fluid Dynamics - Gallery of Fluid Motion.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::524261286f70a7b5bed9b4a570ecc3e5
https://doi.org/10.1103/aps.dfd.2022.gfm.v0038
https://doi.org/10.1103/aps.dfd.2022.gfm.v0038
Publikováno v:
Experimental and Computational Multiphase Flow. 3:139-151
The dynamics of bubble deformation has significant impacts on two-phase flow fundamentals such as bubble induced turbulence and flow regime transition. Despite the significant progress achieved by experimental studies on bubble deformation, certain l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5aead343695bf166fb03859fb1fcb402
https://doi.org/10.1007/s42757-020-0073-3
https://doi.org/10.1007/s42757-020-0073-3
Autor:
Jun Fang, Ramesh Balakrishnan, Cameron W. Smith, Igor A. Bolotnov, Meredith K. Purser, Kenneth E. Jansen
Publikováno v:
Nuclear Science and Engineering. 194:676-689
Various flow regimes exist in a boiling water reactor (BWR) as the steam quality increases in the uprising coolant flow, from bubbly flow, slug/churn flow, to annular flow. The annular flow is char...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68ee587c775bd8d8c3cd439bc9cf1bd3
https://doi.org/10.1080/00295639.2020.1743577
https://doi.org/10.1080/00295639.2020.1743577
Autor:
Matthew D. Zimmer, Igor A. Bolotnov
Publikováno v:
Nuclear Science and Engineering. 194:708-720
Recent advancements in computing power allow utilization of state-of-the-art direct numerical simulations (DNSs), coupled with interface tracking techniques, to perform fully resolved simulations o...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::668f13d0d1f27a9c7a0276a5ea3f1d76
https://doi.org/10.1080/00295639.2020.1722543
https://doi.org/10.1080/00295639.2020.1722543
Publikováno v:
Physics of Fluids 35(2023)2, 023319
Heat transfer on a vapor bubble rising in superheated liquid is investigated by direct numerical simulation. The vapor–liquid system is described by the one-fluid formulation with the level set method capturing the interface. The proportional-integ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9cfa044ad8481a14bf3fa2d9ba1bbc4
https://doi.org/10.1063/5.0137675
https://doi.org/10.1063/5.0137675
High-fidelity pool boiling simulations on multiple nucleation sites using interface capturing method
Publikováno v:
Nuclear Engineering and Design. 399:112004
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eddbab8013850f3f514b8d22776b56a8
https://doi.org/10.1016/j.nucengdes.2022.112004
https://doi.org/10.1016/j.nucengdes.2022.112004
Publikováno v:
Journal of Fluids Engineering. 144
Direct numerical simulation (DNS) is often used to uncover and highlight physical phenomena that are not properly resolved using other computational fluid dynamics methods due to shortcuts taken in the latter to cheapen computational cost. In this wo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88d4c9a96a2973dd3758d6dec730fe19
https://doi.org/10.1115/1.4052051
https://doi.org/10.1115/1.4052051