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Manuel Ernesto Maqueo Martínez, Stefan Schippling, Markus Schatz and Damian M. Vogt
Considerable progress has been achieved in recent decades in understanding the phenomena related to the onset of condensation in steam flows, both experimentally and especially numerically. Nevertheless, there is still a certain disagreement between the ...
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Xinfan Yin, Hongxu Ma, Xianmin Peng, Guichuan Zhang, Honglei An and Liangquan Wang
In order to simulate the flight state of the helicopter effectively, it is necessary to trim the helicopter during the forward flight in a wind tunnel test. Previously, due to the lack of an internal-control closed loop in the test rig, the helicopter-wi...
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Panagiotis D. Kordas, George N. Lampeas and Konstantinos T. Fotopoulos
The main purpose of this study comprises the design and the development of a novel experimental configuration for carrying out tests on a full-scale stiffened panel manufactured of fiber-reinforced thermoplastic material. Two different test-bench design ...
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Florent Grotto, Christophe Bouvet, Bruno Castanié and Joël Serra
Aeronautical composite primary structures must evidence sufficient residual strength in the presence of damage for compliance with damage tolerance requirements. The study of stiffener debonding on panels subjected to compression after impact is performe...
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Ganbo Zhang, Yao Zhao and Wei Chu
Propeller-induced longitudinal vibration resonance in marine propulsion shafting systems causes great harm to the hull structure and is the primary source of shipboard noise. Integrating a friction damper with designed parameters into thrust bearings can...
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Andrea De Martin, Giovanni Jacazio and Massimo Sorli
The E-LISA research project, under way within the Clean Sky 2 framework, has the objective of developing an innovative iron bird dedicated to executing tests on the landing gear of a small aircraft transport equipped with an electro-mechanical landing ge...
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Roland Rückert and Dieter Peitsch
The present paper investigates the aerodynamic performance of a cantilevered tandem stator based on experiments conducted within a high speed annular test rig at the Technische Universitaet Berlin. A tandem blade in this context describes a double rowed ...
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Wei Chu, Yao Zhao, Ganbo Zhang and Hua Yuan
The longitudinal vibration of the propulsion shaft system is a challenging issue for marine noise management. We conducted various static and dynamic tests on our built test rig for the shafting system, presenting the results in this paper. By combining ...
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Salmi Mohd Yunus, Savisha Mahalingam, Abreeza Manap, Nurfanizan Mohd Afandi and Meenaloshini Satgunam
Thermal barrier coating (TBC) and cooling air systems are among the technologies that have been introduced and applied in pursuing the extensive development of advanced gas turbine. TBC is used to protect the gas turbine components from the higher operat...
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Illés Vörös, László Turányi, Balázs Várszegi, Dénes Takács
Pág. 163 - 170
This paper presents the design and implementation of a small-scale hardware-in-the-loop test environment for lateral vehicle dynamics controllers. The test rig consists of a conveyor belt and a 1:10 scale model vehicle. The vehicle is anchored to the fra...
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Mohammad Adhitya,Rolan Siregar,Danardono A Sumarsono,Nazaruddin Nazaruddin,Ghany Heryana,Sonki Prosetyo,Fuad Zainuri
Pág. 6 - 11
Brake failure is one of the causes of fatal accidents because the vehicle cannot be controlled properly. Therefore, research on improving brake safety needs to be assessed immediately. Brake temperature is used as an indicator of brake performance. If th...
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Wu Ouyang, Qilin Liu, Qichao Cheng, Gao Wan and Yong Jin
The classical theory of centralized dynamic characteristics with eight coefficients is adopted for traditional journal bearings. However, under cantilevered load, distributed dynamic characteristics along the axial direction will be generated for the jou...
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Zhilong Zhang and Aijun Geng
Reducing ear damage is the key to improving the quality of maize harvests. In order to reduce the impact and damage of the ear caused by the ear snapping mechanism, this paper proposes a method to convert ear deformation energy during collision into elas...
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Cengiz Camci, Michael Averbach and Jason Town
Flow within the space between the rotor and stator of a turbine disk, and an area referred to as the rim seal cavity, develops azimuthal velocity component from the rotor disk. The fluid within develops unsteady structures that move at a fraction of the ...
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Manuel Hildebrandt, Heiko Schwarz, Corina Schwitzke, Hans-Jörg Bauer and Jens Friedrichs
Reducing losses in the secondary air system of gas and steam turbines can significantly increase the efficiency of such machines. Meanwhile, brush seals are a widely used alternative to labyrinth seals. Their most valuable advantage over other sealing co...
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Manuel Hildebrandt, Heiko Schwarz, Corina Schwitzke, Hans-Jörg Bauer and Jens Friedrichs
Reducing losses in the secondary air system of gas and steam turbines can significantly increase the efficiency of such machines. Meanwhile, brush seals are a widely used alternative to labyrinth seals. Their most valuable advantage over other sealing co...
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Huang Huang, Mingming Yang and Dingxi Wang
Flutter was encountered at part speeds in a scaled wide chord fan blisk designed for a civil aeroengine during a rig test when the fan bypass flow was throttled toward its stall boundary. Analysis of the blade tip timing measurement data revealed that th...
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Oliver Munz, Tim Pychynski, Corina Schwitzke and Hans-Jörg Bauer
Labyrinth seals are a state-of-the-art sealing technology to prevent and control leakage flows at rotor–stator interfaces in turbomachinery. Higher pressure ratios and the economical use of cooling air require small clearances, which lead to potent...
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Oliver Munz, Tim Pychynski, Corina Schwitzke and Hans-Jörg Bauer
Labyrinth seals are a state-of-the-art sealing technology to prevent and control leakage flows at rotor?stator interfaces in turbomachinery. Higher pressure ratios and the economical use of cooling air require small clearances, which lead to potential ru...
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Sabine Bauinger, Andreas Marn, Emil Göttlich and Franz Heitmeir
For this study, measurements were carried out in a one-and-a-half stage test turbine. In order to characterize the flow field and to obtain steady flow quantities, five-hole probes are used in the rig in several measurement planes. Although a very high r...
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