The influence of including a partially smooth section in the 2nd leg of an internally ribbed two pass cooling channel

D Pape, S Jenkins… - … Expo: Power for …, 2006 - asmedigitalcollection.asme.org
Internal cooling schemes for blades in a gas turbine engine often are subject to
compromises between increased pressure losses in return for greater levels of heat transfer …

The effect of ribs and tip wall distance on heat transfer for a varying aspect ratio two-pass ribbed internal cooling channel

SC Jenkins, F Zehnder… - … Expo: Power for …, 2008 - asmedigitalcollection.asme.org
Internal cooling channels with differing aspect ratios are typically found in gas turbine blades
due to the varying thickness of the blade from the leading to trailing edge. These serpentine …

The effects of ribs and tip wall distance on heat transfer for a varying aspect ratio two-pass ribbed internal cooling channel

SC Jenkins, F Zehnder… - Journal of …, 2013 - asmedigitalcollection.asme.org
Internal cooling channels with differing aspect ratios are typically found in gas turbine blades
due to the varying thickness of the blade from the leading to trailing edge. These serpentine …

Effect of Rotation on 45-Degree Broken V-Ribs in a 2 Pass Square Channel

MP Thirumalai, SV Ekkad - … Expo: Power for …, 2024 - asmedigitalcollection.asme.org
The demand for elevated turbine inlet temperatures in gas turbine airfoils requires the
innovation of advanced internal cooling designs to enhance turbine durability and …

Effects of bidirectional rib arrangements on turbulent flow structure and heat transfer characteristics of a two-pass channel for turbine blade internal cooling

FB Majmader, MJ Hasan - International Communications in Heat and Mass …, 2024 - Elsevier
The thermal efficiency of gas turbine engines depends heavily on the cooling performance
of the internal channels of turbine blades. In the present study, the effects of bidirectionally …

A possible strategy for the performance enhancement of turbine blade internal cooling with inclined ribs

L Baggetta, F Satta, G Tanda - Heat Transfer Engineering, 2019 - Taylor & Francis
Ribbing the internal passages of turbine blades with 45 deg inclined ribs is a common
practice to achieve a good compromise between high heat transfer coefficients and not too …

The effect of single-sided ribs on heat transfer and pressure drop within a trailing edge internal channel of a gas turbine blade

S Kim, S Suh, S Baek, W Hwang - Journal of …, 2022 - asmedigitalcollection.asme.org
Convective cooling in a gas turbine blade internal trailing edge channel is often insufficient
at the sharp trailing edge. This study examines convective heat transfer and pressure drop …

Heat transfer and pressure loss in rectangular one-side-ribbed channels with different aspect ratios

S Kunstmann, J Wolfersdorf… - Journal of …, 2013 - asmedigitalcollection.asme.org
An investigation was conducted to assess the thermal performance of W-shaped, 2W-
shaped and 4W-shaped ribs in a rectangular channel. The aspect ratios (W/H) were 2: 1, 4 …

An experimental investigation of the heat transfer in a ribbed triangular cooling channel

M Amro, B Weigand, R Poser, M Schnieder - International Journal of …, 2007 - Elsevier
One of the most challenging aspects of gas turbine cooling is the cooling of the first stages of
turbine blades. Here the highest external heat load is seen at the leading edge of the blade …

Validation and analysis of numerical results for a varying aspect ratio two-pass internal cooling channel

IV Shevchuk, SC Jenkins… - … Expo: Power for …, 2008 - asmedigitalcollection.asme.org
Numerical results for an internal ribbed cooling channel including a 180° bend with a 2: 1
inlet and 1: 1 aspect ratio outlet channel were validated against experimental results in …