Flow structure and heat transfer in a square passage with offset mid-truncated ribs

G Xie, J Liu, PM Ligrani, B Sunden - International Journal of Heat and Mass …, 2014 - Elsevier
The enhancement of heat transfer attributed from rib turbulators relative to the increased
pressure drop in the channel is a crucial design parameter. Thus, the design of the truncated …

Film cooling performance and flow characteristics of internal cooling channels with continuous/truncated ribs

G Xie, X Liu, H Yan - International Journal of Heat and Mass Transfer, 2017 - Elsevier
To better evaluate the application of ribs in gas turbine blade cooling, this numerical study
reports on the effects of ribs mounted on the internal cooling channel wall on external …

On the improvement of the poor heat transfer lee-side regions of square cross-section ribbed channels

S Zheng, T Ji, G Xie, B Sunden - Numerical Heat Transfer, Part A …, 2014 - Taylor & Francis
Heat transfer and flow characteristics of six ribbed channels of square cross section having
different rib structure are computed with the objective of improving heat transfer in the lee …

[HTML][HTML] Flow structure and heat transfer characteristics in a ribbed two-pass channel with varying divider inclination angle

H Yan, L Luo, W Du, S Wang, B Sunden… - International Journal of …, 2021 - Elsevier
A numerical method is utilized in this paper to study the effects of varying divider inclination
angle on the flow structure and heat transfer characteristics in a ribbed two-pass channel for …

An assessment of turbulence models for predicting conjugate heat transfer for a tubine vane with internal cooling channels

S Zheng, Y Song, G Xie, B Sunden - Heat Transfer Research, 2015 - dl.begellhouse.com
In this study, five models, including the standard k− ε (SKE), realizable k− ε (RKE), SST k− ω,
transition k− kl− ω, and the v 2 f model, are considered to simulate air flow and heat transfer …

Experimental and numerical investigation of heat transfer characteristics in a square channel with various truncated ribs

J Gong, X Zhang, J Zeng, T Gao, W Wu - Journal of Mechanical Science …, 2019 - Springer
Oblique ribs are widely applied to the internal cooling of turbine blades to promote the heat
transfer between blade wall and coolant. In this study, the effect of several new types of …

Numerical simulations of flow structure and turbulent heat transfer in a square ribbed channel with varying rib pitch ratio

A Khalid, G Xie, B Sunden - Journal of Enhanced Heat Transfer, 2016 - dl.begellhouse.com
In the fast development of advanced gas turbines with increasing output power, the inlet
temperature is accordingly increased. Traditional cooling techniques failed to deal with such …

Temperature-difference Flow sensor using multiple fiber Bragg gratings

K Kim, J Eom, K Sohn, J Shim - Current Optics and Photonics, 2022 - opg.optica.org
Multiple fiber Bragg gratings (FBGs) have been proposed and demonstrated for gas-flow
measurements in a flow channel, using the temperature-difference method. This sensor …

2D Roughness, 3D Roughness and Roughness Applications

SK Saha, H Ranjan, MS Emani, AK Bharti… - Insert Devices and …, 2020 - Springer
The heat transfer and pressure drop characteristics of flow in channels with 2D roughness,
3D roughness and various roughness applications have been presented in this chapter. The …