Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Prakash Patnaik"'
Publikováno v:
Frontiers in Mechanical Engineering, Vol 8 (2023)
The aircraft engine hot section is most vulnerable and failure prone to environmental particle ingestion, which, particularly for helicopters, can cause detrimental effects ranging from reduced performance to complete engine failure. The objective of
Externí odkaz:
https://doaj.org/article/8a96f3ce058a4253bef49cd1660890f2
Autor:
Sila Ece Atabay, Priti Wanjara, Fabrice Bernier, Sheida Sarafan, Javad Gholipour, Josh Soost, Robert Amos, Prakash Patnaik, Mathieu Brochu
Publikováno v:
Materials, Vol 16, Iss 1, p 1 (2022)
This study investigated the application of an in envelope additive/subtractive (LPBF) manufacturing method (Matsuura LUMEX-Avance-25) to fabricate IN718 benchmarking coupons. The coupons were then examined comprehensively for surface finish both with
Externí odkaz:
https://doaj.org/article/c96306636fb44550b6ff3899712c59d3
Autor:
Sheida Sarafan, Priti Wanjara, Javad Gholipour, Fabrice Bernier, Mahmoud Osman, Fatih Sikan, Josh Soost, Robert Amos, Prakash Patnaik, Mathieu Brochu
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 6, Iss 2, p 30 (2022)
This research study investigated the hybrid processing of 316L stainless steel using laser powder bed (LPB) processing with high-speed machining in the same build envelope. Benchmarking at four laser powers (160 W, 240 W, 320 W, and 380 W) was undert
Externí odkaz:
https://doaj.org/article/49b1f5328e3744c38d1b6f8172d57406
Autor:
Priti Wanjara, David Backman, Fatih Sikan, Javad Gholipour, Robert Amos, Prakash Patnaik, Mathieu Brochu
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 6, Iss 1, p 21 (2022)
To better support the transition to more industrial uses of additive manufacturing, this study examined the use of an Arcam Q20+ industrial 3D printer for producing heavily nested Ti-6Al-4V parts with both in-specification (IS) and out of specificati
Externí odkaz:
https://doaj.org/article/bc519a8b100a4505843a31500333da94
Autor:
Peter Klaer, Andi Huang, Pascale Sévigny, Sreeraman Rajan, Shashank Pant, Prakash Patnaik, Bhashyam Balaji
Publikováno v:
Sensors, Vol 20, Iss 20, p 5940 (2020)
Detecting and identifying drones is of great interest due to the proliferation of highly manoeuverable drones with on-board sensors of increasing sensing capabilities. In this paper, we investigate the use of radars for tackling this problem. In part
Externí odkaz:
https://doaj.org/article/ffe23d36915b4dbd9c7f80285b26d1eb
Publikováno v:
Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics.
The current state of the art in experimental and analytical research on environmental particle ingestion related to engine hot sections was reviewed, with greater emphasis focussed on sand particles. From these efforts, the available experimental dat
Publikováno v:
2022 IEEE International Instrumentation and Measurement Technology Conference (I2MTC).
Publikováno v:
Aircraft Engineering and Aerospace Technology. 92:2-7
Purpose Accurate measurements of the temperature distributions in hot section components are indispensable for the prognostic and health management of gas turbines. Thin film thermocouple (TFTC) sensors, directly fabricated on the surface of a compon
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 139
Nozzle guide vanes (NGV) of gas turbine engines are the first components to withstand the impingement of hot combustion gas and therefore often suffer thermal fatigue failures in service. A lifting analysis is performed for the NGV of a gas turbine e