Development of metal AM technology for gas turbine components

Tanigawa, Shuji; Kataoka, Masahito; Taneike, Masaki; Ito, Ryuta; Komaki, T.; Motoyama, N.

doi:10.33737/jgpps/163429

J. Glob. Power Propuls. Soc.

2023

DOI: 10.33737/jgpps/163429

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Development of metal AM technology for gas turbine components

Shuji Tanigawa

Masahito Kataoka

Masaki Taneike

et al.

Abstract: Mitsubishi Heavy Industries, Ltd. (MHI) Group has been developing additive manufacturing (AM) as a method that can manufacture parts with complex shapes and considering its application to manufacturing processes. In combustor components, application of AM process to rapid prototyping and multi-cluster nozzles for hydrogen or ammonia gas fuel is being considered. In turbine parts, with the aim of improving performance by reducing the amount of cooling air, the adoption of a complex internal cooling structure, w… Show more

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Cited by 2 publications

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Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor

Clement,

Coon,

Key

2024

Journal of Turbomachinery

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This paper introduces the next generation of the Centrifugal Stage for Aerodynamic Research (CSTAR) facility at the Purdue University Compressor Research Lab. The research centrifugal compressor is designed with an additively manufactured stationary diffusion system which comprises a vaned diffuser, a turn-to-axial bend, and deswirler vanes. The dimensional accuracy and surface finish of the diffusion system has allowed for rapid prototyping of several iterative diffusion system designs and has allowed for configuration of in-situ pressure and temperature measurements to experimentally evaluate the aerodynamics and performance of centrifugal compressor diffusion systems. The diffusion system is manufactured from a commercially available stereolithography (SLA) resin, and the design of the parts is adapted to the constraints imposed by current technological and material limits of resin 3D printing. The implementation of additive manufacturing in the prototyping of the diffusion system has allowed for decreased cost and lead time while allowing rapid turnaround to generate experimental data. Performance data have verified the repeatability and temperature independence of the additively manufactured diffusion system through several design iterations. A survey of candidate materials for additively manufacturing these parts is also presented, and the tradeoffs of their material properties discussed.

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Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor

Clement,

Coon,

Key

2024

Journal of Turbomachinery

View full text Add to dashboard Cite

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Editorial: Some Advances in Additive Manufacturing for Aerothermal Technologies

2023

J. Glob. Power Propuls. Soc.

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Additive Manufacturing (AM)/"3D Printing", has emerged in recent years as a major disruptive technology with the potential to make a profound impact on many industrial sectors and society in general. AM makes it possible to manufacture components of such complex geometries at such low cost and in such a short time scale, which would be extremely difficult or impossible with the traditional ("subtractive") manufacturing methods. The promise and appeal of AM have led to a rapid growth of the technology in the past two decades, and at an accelerated pace in recent years. For the aerospace industry, a speedy rise in AM is indicated by annual revenue growth from ∼$2 billons in 2015 to ∼$100 billons in 2035 (Najmon et al., 2019). AM has great potential for energy saving in manufacturing by reducing materials wastage and eliminating machining steps. It is projected that the widespread implementation of AM technologies would potentially lead to a reduction of the global energy demand by as much as 27% (Sun et al., 2021).While showing great potential and growing at a very fast speed, additive manufacturing, as with any other new technology development, also faces many challenges. One can think of several typical questions when inquiring about the state of the art of AM development. What is the quality of AM-made parts (and pathways to improve it)? What is the potential of AM as indicated in a research environment? What is the impact of AM as demonstrated in practical industrial applications? As expected, the response to these questions would vary from one R&D and application area to another.Against the general background of AM development, this special issue of the GPPS Journal was aimed at providing some pointers for AM development in the area of aerothermal technologies. The invited contributions are made by several well-established academic and industrial teams with extensive successful experiences in the related topic areas.The contribution by Wildgoose and Thole of Penn State University (Wildgoose and Thole, 2023) deals with the key issue of AM printability in terms of variability of geometry and surface roughness of turbine cooling. Both simple channel and turbine blade configurations are considered based on extensive tests on the influence of AM model orientations and the build-locations. The case for a consistent characterization of the variability has been made, and the marked influence of the source-model distance is underlined.The contribution by Xu, Cheng, and Jiang of Tsinghua University (Xu et al., 2023) gives an overview of some notable examples of recent progress in AM-assisted transpiration cooling. Performances of transpiration cooling setups for single-phase flow and new bionic

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Development of metal AM technology for gas turbine components

Cited by 2 publications

References 6 publications

Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor

Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor

Editorial: Some Advances in Additive Manufacturing for Aerothermal Technologies

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