... strategies for improved thermal protection in gas turbine components. 1 Corresponding author. Email: [email protected] Email: [email protected] Email: [email protected] Email: [email protected] Email: [email protected] 27 02 2025 27 05...

... After decades of development, film cooling has become one of the most proven and commonly used techniques for the thermal protection of turbine hot components. To further increase the gas turbine power output and work efficiency, the inlet temperature of the turbine section increases continuously [ 1...

...Xing Yang; Zihan Hao; Zhenping Feng A significant challenge of offering adequate film cooling for gas turbine hot components in practical operation is deposition induced by impurities from the intake air and fuel, which influences the overall cooling performance by changing the surface geometric...

... pronounced at higher BRs in the fan-shaped configuration. This study also reveals that the geometrical shape of the cooling holes greatly affects the overall film cooling effectiveness, which improves with increasing BR and MR for fan-shaped holes. Gas turbine engines perform at incredibly high...

...Guoxu Zhang; Zhiqiang Huang; Shuo Wang; Shichuan Tan; Tao Li; Jie Wang To improve the heat dissipation and cooling effect of the box and ensure the safe and stable operation of the gas turbine, research on the control and optimization of heat dissipation within the main box of the gas turbine has...

...Jin Young Jeong; Ye Rim Jo; Min Seok Kang; Young Jun Kang; Jae Su Kwak Film cooling is applied to various high-temperature components of a gas turbine and greatly affected by the shape of the injection hole. Numerous studies have been conducted to investigate various film cooling structures...

...Timothy A. Burdett; Ming-Feng Yeh; Lesley M. Wright Film cooling is a common technique for protecting gas turbine components from the hot combustor exhaust. Highly resolved film cooling effectiveness distributions are often obtained by measuring the mass transfer of a foreign gas coolant...

... of laterally averaged adiabatic (left) and overall (right) effectiveness η between ROM and experiments at average M = 1.2 [24] A reduced order model is developed for single-wall effusion cooling in scope of gas turbine airfoil thermal management applications. It is assumed that the coolant is fed...

... annular cascade gas turbine gas turbine heat transfer Gas turbines continue to be an integral technology in both the energy and transportation sectors due to their relatively low cost of energy and high thrust-to-weight ratio. New gas turbine plants are installed, and engines are built every...

...Carlos Rafaello de Oliveira Silva; Cleverson Bringhenti; Jesuíno Takachi Tomita; Luiz Henrique Lindquist Whitacker Evaporative cooling systems are commonly used in thermoelectric plants to cool the air at gas turbines inlet, improving the performance of these engines. Normally, the evaporative...

... 2022 gas turbine jet impingement cooling heat transfer extended jet hole thermochromic liquid crystal experimental/measurement techniques gas turbine heat transfer heat transfer enhancement Central Universities of China 10.13039/501100012429 xjh012019020 Jet...

... 11 04 2022 gas turbine heat transfer unsteady flow blade tip Natural Science Foundation of China 10.13039/501100001809 51936008 The turbine converts energy by burning hot gas produced. When turbine provides maximum power, the speed will exceed 10,000 rpm and outlet...

...Kishore Ranganath Ramakrishnan; Shoaib Ahmed; Srinath V. Ekkad As stringent emissions controls are being placed on gas turbines, modern combustor design optimization is contingent on the accurate characterization of the combustor flame side heat loads. Power generation turbines are increasingly...

...M. R. Almajali; Omar A. S. Quran This paper deals with aspects of the combined power and power (CPP) plants. Such plants consist of two major parts: the steam turbine and gas turbine plants. This study investigates the efficiency of CPP under the effect of several factors. CPP plants including...

... of blowing ratio. Results also indicate that the platform film-cooling effectiveness increases with density ratio but decreases with turbulence intensity. film-cooling gas turbine density ratio compound angle hole platform film cooling PSP Gas turbine inlet temperatures have been...

..., and possessed an optimum blowing ratio value. 25 04 2011 03 11 2011 16 04 2012 16 04 2012 A labyrinth-like seal, typical of a stator-rotor seal found in gas turbine engines, was used for upstream platform cooling. The seal was grown from Accura 55 resin by stereo-lithography (SLA...