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Simulation and Experimental Research on Servo-valve Jet-deflector Hydraulic Amplifier
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Hengxuan ZHANG1, 2, Ying PAN1, 2, Junguang CHEN1, 2, Teng JI1, 2
Missiles and Space Vehicles | 2025, 48(3) : 100 - 106
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Missiles and Space Vehicles | 2025, 48(3): 100-106
• Advanced Servo Technology •
Simulation and Experimental Research on Servo-valve Jet-deflector Hydraulic Amplifier
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Hengxuan ZHANG1, 2, Ying PAN1, 2, Junguang CHEN1, 2, Teng JI1, 2
Affiliations
  • 1. Beijing Institute of Precise Mechatronics and Controls, Beijing, 100076
  • 2. Innovation Center for Control Actuators, Beijing, 100076
Published: 2025-06-25 doi: 10.7654/j.issn.2097-1974.20250314
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Jet-deflector servo-valve is known for high resistance to contamination and is widely used in aerospace where reliability is critical. However, the internal structure of jet-deflector device is very complex which makes it more challenging to a performance indication. When Computational Fluid Dynamics is introduced into an analysis of a jet-deflector servo valve, the dispersion of experimental data is always intolerable for a precise verification because of manufacturing or assembling accuracy. In this research, a distribution of experimental results is presented. After a comparison of different turbulence models, the low Reynolds number k-ε model shows more precision in pressure characteristic analysis of jet-deflector device.

servo-valve  /  jet-deflector  /  Reynolds-Averaged Navier-Stokes  /  k-ε model  /  low Reynolds number
Hengxuan ZHANG, Ying PAN, Junguang CHEN, Teng JI. Simulation and Experimental Research on Servo-valve Jet-deflector Hydraulic Amplifier[J]. Missiles and Space Vehicles, 2025 , 48 (3) : 100 -106 . DOI: 10.7654/j.issn.2097-1974.20250314
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Article Info
doi: 10.7654/j.issn.2097-1974.20250314
  • Receive Date：2024-10-27
  • Online Date：2025-10-27
  • Published：2025-06-25
Article Data
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History
  • Received：2024-10-27
  • Revised：2025-05-30
Affiliations
    1. Beijing Institute of Precise Mechatronics and Controls, Beijing, 100076
    2. Innovation Center for Control Actuators, Beijing, 100076
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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