Review of gas turbine internal cooling improvement technology

FN Nourin, RS Amano - Journal of Energy …, 2021 - asmedigitalcollection.asme.org
The higher firing temperature reflects the higher efficiency of the gas turbine. However, using
higher temperatures is limited as it may cause a rupture, bending, or failure of the turbine …

Convective heat transfer and aerodynamics in axial flow turbines

MG Dunn - Turbo Expo: Power for Land, Sea, and …, 2001 - asmedigitalcollection.asme.org
The primary focus of this paper is convective heat transfer in axial flow turbines. Research
activity involving heat transfer generally separates into two related areas: predictions and …

Experimental investigation of local heat transfer in a square duct with various-shaped ribs

L Wang, B Sundén - Heat and Mass Transfer, 2007 - Springer
In the present study, experimental studies are carried out to investigate the heat transfer and
friction characteristics in a square duct roughened by various-shaped ribs on one wall. The …

Effect of rib spacing on heat transfer and friction in a rectangular channel with 45 angled rib turbulators on one/two walls

G Tanda - International Journal of Heat and Mass Transfer, 2011 - Elsevier
An experimental investigation of forced convection heat transfer in a rectangular channel
(aspect ratio AR= 5) with angled rib turbulators, inclined at 45°, is presented. The angled ribs …

Experimental and numerical investigation of convection heat transfer in a rectangular channel with angled ribs

B Lu, PX Jiang - Experimental Thermal and Fluid Science, 2006 - Elsevier
Forced convection heat transfer of air in a rectangular channel with 45° ribs on one wall was
investigated experimentally and numerically. The stainless steel test section was 39.3 mm× …

Turbulent heat transfer measurements using liquid crystals

PT Ireland, AJ Neely, DRH Gillespie… - International journal of …, 1999 - Elsevier
The transient method of measuring heat transfer coefficients that uses liquid crystals, since
its beginnings in the early 1980s, has become one of the best ways of determining full …

Numerical investigation of the flows and heat transfer characteristics of internal cooling channels with separated ribs in gas turbine blades

VH Nguyen, TD Vu, CT Dinh, SG Park - Physics of Fluids, 2024 - pubs.aip.org
Gas turbine engines play a crucial role in numerous industrial domains, including power
generation, aviation, and marine propulsion. One of the major challenges in designing gas …

Numerical predictions on fluid flow and heat transfer in U-shaped channel with the combination of ribs, dimples and protrusions under rotational effects

Z Shen, Y Xie, D Zhang - International Journal of Heat and Mass Transfer, 2015 - Elsevier
Recently, dimple and protrusion structure has been proved as an effective heat transfer
augmentation approach on coolant channel due to its advantage on pressure penalty. A …

Heat transfer–a review of 1999 literature

RJ Goldstein, ERG Eckert, WE Ibele… - International journal of …, 2001 - Elsevier
The present review is intended to encompass the English language heat transfer papers
published in 1999. The papers have been placed into a number of subject categories. While …

[HTML][HTML] Effect of arc-shaped twisted-baffles on augmented heat transfer in a rectangular duct

P Promvonge, A Phila, V Chuwattanakul… - Case Studies in Thermal …, 2023 - Elsevier
In this current work, the effect of utilizing arc-shaped twisted-baffles (T-ABs) in a rectangular
air channel on thermal performance factor (TPF) has been experimentally studied. In these …