Computation of unsteady turbomachinery flows: Part 2—LES and hybrids
PG Tucker - Progress in Aerospace Sciences, 2011 - Elsevier
The choice of turbulence model can have a strong impact on results for many
turbomachinery zones. Palliative corrections to them and also transition modeling can have …
turbomachinery zones. Palliative corrections to them and also transition modeling can have …
Detailed heat transfer distributions in two-pass square channels with rib turbulators
Detailed Nusselt number distributions are presented for a two-pass square channel with one
ribbed wall. This wall of the channel is sprayed with thermochromic liquid crystals, and a …
ribbed wall. This wall of the channel is sprayed with thermochromic liquid crystals, and a …
Numerical simulation of turbulent air flow on a single isolated finned tube module with periodic boundary conditions
A helically segmented finned tube bank is simulated as a single isolated finned tube module
in order to reduce computational domain in 99%. The numerical simulation is conducted …
in order to reduce computational domain in 99%. The numerical simulation is conducted …
Experimental validation of large eddy simulations of flow and heat transfer in a stationary ribbed duct
Accurate prediction of ribbed duct flow and heat transfer is of importance to the gas turbine
industry. The present study comprehensively validates the use of large eddy simulations …
industry. The present study comprehensively validates the use of large eddy simulations …
Experimental and numerical investigation of heat and fluid flow in a square duct featuring criss-cross rib patterns
This paper presents findings from experimental and numerical study of heat and fluid flow in
a straight square duct featuring rib turbulators in a criss-cross pattern formed by 45° angled …
a straight square duct featuring rib turbulators in a criss-cross pattern formed by 45° angled …
Numerical simulations and optimization of solar air heaters
Different surface modification techniques have been used for enhancement of heat transfer
from absorber plates of solar air heaters. It is necessary to have accurate values of design …
from absorber plates of solar air heaters. It is necessary to have accurate values of design …
Comparison of linear and nonlinear RNG-based k-epsilon models for incompressible turbulent flows
GC Papageorgakis, DN Assanis - Numerical Heat Transfer: Part B …, 1999 - Taylor & Francis
Linear and nonlinear renormalization group (RNG) k-epsilon models are compared for the
prediction of incompressible turbulent flows. The multidimensional finite-volume code KIVA …
prediction of incompressible turbulent flows. The multidimensional finite-volume code KIVA …
Computational analysis of heat transfer in turbulent flow past a horizontal surface with two-dimensional ribs
CK Lee, SA Abdel-Moneim - … Communications in Heat and Mass Transfer, 2001 - Elsevier
Heat transfer and flow behaviours past a horizontal surface with two-dimensional transverse
ribs were numerically investigated using a CFD model. The present model was adopted for …
ribs were numerically investigated using a CFD model. The present model was adopted for …
A numerical study of flow structure and heat transfer in a square channel with ribs combined downstream half-size or same-size ribs
The present study employs square cross-section ribbed channels with different
arrangements of downstream half-size ribs to determine the most optimal configurations for …
arrangements of downstream half-size ribs to determine the most optimal configurations for …
Experimental investigation of heat transfer enhancement in rectangular duct with pentagonal ribs
Rib turbulators are extensively used in augmentation of convective heat transfer in several
applications related to heat exchange and cooling in thermal energy systems. Present …
applications related to heat exchange and cooling in thermal energy systems. Present …