Results 251 to 260 of about 532,316 (313)

Heat transfer and pressure loss of turbulent flow in channels with miniature structured ribs on one wall

International Journal of Heat and Mass Transfer, 2019
This paper presents an experimental and numerical study of turbulent flow heat transfer and pressure loss in channels with structured miniature ribs on one wall with the aim to improve the internal cooling performance of gas turbine blades and combustor ...
Yanlin Li, Y. Rao, Wang Deqiang, Peng Zhang, Xiangyu Wu   +4 more
semanticscholar   +1 more source

Heat Transfer and Turbulence in a Turbulated Blade Cooling Circuit

Journal of Turbomachinery, 1992
The aerothermal performance of a typical turbine blade three-pass turbulated cooling circuit geometry was investigated in a 10X plexiglass test model. The model closely duplicated the blade’s leading edge, midchord, and trailing edge cooling passage geometries.
N. Abuaf, D. M. Kercher
openaire   +1 more source

Turbulent convective heat transfer of silica oxide nanofluid through corrugated channels: An experimental and numerical study

, 2019
Combining a corrugated surface and nanofluids technologies have caused attracted significant interest to develop the ability of compact heat exchangers in order to produce more efficient and reliable thermal systems.
R. K. Ajeel, W. Salim, K. Sopian, M. Yusoff, K. Hasnan, A. Ibrahim, Ali H. A. Al‐Waeli   +6 more
semanticscholar   +1 more source

Turbulent heat transfer via the F.E.M.: Heat transfer in rod bundles

International Journal for Numerical Methods in Fluids, 1983
AbstractHeat transfer associated with forced convection between bundles of cylindrical fuel rods is analysed using the finite element method. A subchannel technique is employed and the numerical results are compared with previous experimental and numerical values. The solid and fluid zones are analysed, for temperature distribution, as a single domain.
Taylor, C., Thomas, C. E., Morgan, K.
openaire   +2 more sources

Turbulence and turbulent heat transfer at supercritical pressure

2016
Energy ...
openaire   +3 more sources

Multi-time-scale turbulent heat transfer model for predictions of various turbulent heat transfer phenomena

International Journal of Advances in Engineering Sciences and Applied Mathematics, 2018
The turbulent heat transfer model has been a useful and powerful tool in the calculation of turbulence heat transfer for designs of equipment with engineering and industrial problems. Among turbulent heat transfer models, two-equation turbulence models for both velocity and thermal fields are one of the best models because they have more accurate ...
Hirofumi Hattori, Kenji Tsutsui
openaire   +1 more source

A Study of Heat Transfer by Turbulence

1941
This paper consists of four main divisions. The first of these is a discussion of turbulence in a flowing fluid and of how heat and momentum are transferred thereby. The second is a presentation of the problems met in constructing the apparatus with which to measure the pertinent quantities connected with turbulent transfer.
openaire   +1 more source

Towards the accurate prediction of the turbulent flow and heat transfer in low-Prandtl fluids

International Journal of Heat and Mass Transfer, 2019
In the numerical simulation of turbulent heat transfer, a reliable representation of the turbulent flow field is a prerequisite in order to obtain an accurate prediction of the thermal field.
A. Shams, A. Santis
semanticscholar   +1 more source

On turbulent heat or mass transfer

Chemical Engineering Science, 1966
Abstract A connexion between renewal models and the theory of instability is suggested and—based on it—a relationship, viz., Eq. (1), between the renewal frequency and the imaginary part of the time coefficient of the perturbation. In this way the partial information supplied by the renewal models, which give only the dependence of the transfer ...
openaire   +1 more source

Turbulent Multiphase Flows with Heat and Mass Transfer

2013
Numerous industrial systems or natural environments involve multiphase flows with heat and mass transfer. The authors of this book present the physical modeling of these flows, in a unified way, which can include various physical aspects and several levels of complexity.
Borghi, Roland, Anselmet, Fabien
openaire   +2 more sources