Remote laboratory exercises are gaining popularity due to advances in communication technologies along with the need to provide realistic yet flexible educational tools for tomorrow’s engineers. Laboratory exercises in turbomachinery aerodynamics generally involve substantial equipment in both size and power, so the development of remotely controlled facilities has perhaps not occurred as quickly as in other fields. This paper presents an overview of a new interactive laboratory exercise involving aerodynamics in a linear cascade of stator blades. The laboratory facility consists of a high-speed fan that delivers a maximum of 2.5 kg/s of air to the cascade. Traversing pneumatic probes are used to determine pressure profiles at upstream and downstream locations, and loss coefficients are later computed. Newly added equipment includes cameras, stepper motors, and a data acquisition and control system for remote operation. This paper presents the laboratory facility in more detail and includes discussions related to user interface issues, the development of a virtual laboratory exercise as a complement to experiments, and comparative evaluation of virtual, remote, and local laboratory exercises.
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January 2010
Research Papers
Web-Based, Interactive Laboratory Experiment in Turbomachine Aerodynamics
Nalin Navarathna,
Nalin Navarathna
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, Sweden
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Vitalij Fedulov,
Vitalij Fedulov
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, Sweden
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Andrew Martin,
Andrew Martin
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, Sweden
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Torsten Fransson
Torsten Fransson
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, Sweden
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Nalin Navarathna
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, Sweden
Vitalij Fedulov
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, Sweden
Andrew Martin
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, Sweden
Torsten Fransson
Royal Institute of Technology (KTH)
, Brinellvägen 68, Stockholm 10044, SwedenJ. Turbomach. Jan 2010, 132(1): 011015 (7 pages)
Published Online: September 18, 2009
Article history
Received:
November 14, 2008
Revised:
December 20, 2008
Published:
September 18, 2009
Citation
Navarathna, N., Fedulov, V., Martin, A., and Fransson, T. (September 18, 2009). "Web-Based, Interactive Laboratory Experiment in Turbomachine Aerodynamics." ASME. J. Turbomach. January 2010; 132(1): 011015. https://doi.org/10.1115/1.3106030
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