A novel coolant cooling method for enhancing the performance of the gas turbine combined cycle

SW Moon, HM Kwon, TS Kim, JL Sohn - Energy, 2018 - Elsevier
The turbine inlet temperature (TIT) has a significant effect on the performance of gas
turbines, and enhanced cooling methods are being applied to the latest gas turbines to …

Performance enhancement of the gas turbine combined cycle by simultaneous reheating, recuperation, and coolant inter-cooling

HM Kwon, SW Moon, TS Kim - Energy, 2020 - Elsevier
The simultaneous use of gas turbine reheating and recuperation is favorable for improving
the efficiency of the gas turbine combined cycle (GTCC). However, less power output is …

[HTML][HTML] Numerical analysis and optimization on flow and heat transfer performance of a steam-cooled ribbed channel

L Xi, L Xu, J Gao, Z Zhao, Y Li - Case Studies in Thermal Engineering, 2021 - Elsevier
It aims to enhance the heat transfer performance and reduce the pressure loss of the steam-
cooled ribbed channels in the gas turbine blades. Numerical calculations were performed to …

[PDF][PDF] Comprehensive Review on Leading Edge Turbine Blade Cooling Technologies.

C Sharma, S Kumar, A Singh, KRB Hire… - … Journal of Heat & …, 2021 - researchgate.net
Accepted: 21 December 2020 Developments in the gas turbine technology have caused
widespread usage of the Turbomachines for power generation. With increase in the power …

Effect of duct aspect ratio on heat transfer and friction in steam-cooled ducts with 60 angled rib turbulators

L Shui, J Gao, X Shi, J Liu - Experimental Thermal and Fluid Science, 2013 - Elsevier
The effect of duct aspect ratio on heat transfer and friction characteristics is investigated
experimentally and numerically. Heat transfer experiments as well as pressure drop …

Operation window and part-load performance study of a syngas fired gas turbine

F He, Z Li, P Liu, L Ma, EN Pistikopoulos - Applied energy, 2012 - Elsevier
Integrated coal gasification combined cycle (IGCC) provides a great opportunity for clean
utilization of coal while maintaining the advantage of high energy efficiency brought by gas …

Effects of aerodynamic parameters on steam vortex cooling behavior for gas turbine blade leading edge

C Du, L Li, S Li, Z Feng - … Engineers, Part A: Journal of Power …, 2016 - journals.sagepub.com
Three-dimensional Reynolds-averaged Navier–Stokes equations are applied to further
explore steam vortex cooling mechanism in gas turbine blade leading edge. Grid …

A study on 65% potential efficiency of the gas turbine combined cycle

HM Kwon, SW Moon, TS Kim, DW Kang… - Journal of Mechanical …, 2019 - Springer
This study investigates the possibility of achieving 65% efficiency in a gas turbine combined
cycle. Several options to realize it were compared. A sensitivity analysis was performed for …

Modeling and performance of gas turbine cycles with various means of blade cooling

K Jordal - 2001 - lup.lub.lu.se
A method for simulating the cooled gas turbine is demonstrated. Based on equations and
other knowledge found in the literature, a first-law thermodynamic, non-dimensional model …

Improvement of integrated gasification combined cycle performance using nitrogen from the air separation unit as turbine coolant

SY Yoon, BS Choi, JH Ahn, TS Kim - Applied Thermal Engineering, 2019 - Elsevier
An integrated gasification combined cycle (IGCC) power plant uses fuel made by coal
gasification for gas turbines. The oxygen required for the gasification reaction is supplied …