[go: up one dir, main page]

Koratkar et al., 2000 - Google Patents

Analysis and testing of Mach-scaled rotor with trailing-edge flaps

Koratkar et al., 2000

Document ID
10253496203436108745
Author
Koratkar N
Chopra I
Publication year
Publication venue
AIAA journal

External Links

Snippet

HELICOPTERS suffer from high vibration and noise levels because of the unsteady aerodynamic environment in which the blades operate, as well as the coupled structural mechanical system comprised of the rotor, fuselage, transmission system, and engine. The …
Continue reading at arc.aiaa.org (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/008—Rotors tracking or balancing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/72—Means acting on blades
    • B64C2027/7205—Means acting on blades on each blade individually, e.g. individual blade control [IBC]
    • B64C2027/7261—Means acting on blades on each blade individually, e.g. individual blade control [IBC] with flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/30—Wing lift efficiency

Similar Documents

Publication Publication Date Title
Koratkar et al. Wind tunnel testing of a Mach-scaled rotor model with trailing-edgeflaps
Chen et al. Hover testing of smart rotor with induced-strain actuation of blade twist
Giurgiutiu Review of smart-materials actuation solutions for aeroelastic and vibration control
Loewy Recent developments in smart structures with aeronautical applications
Chopra Status of application of smart structures technology to rotorcraft systems
Koratkar et al. Analysis and testing of Mach-scaled rotor with trailing-edge flaps
Lee et al. Design of piezostack-driven trailing-edgeflap actuator for helicopter rotors
Koratkar et al. Wind Tunnel Testing of a Smart Rotor Model with Trailing‐Edge Flaps
Enenkl et al. Full scale rotor with piezoelectric actuated blade flaps
Bernhard et al. Analysis of a bending-torsion coupled actuator for a smart rotorwith active blade tips
Ben-Zeev et al. Advances in the development of an intelligent helicopter rotor employing smart trailing-edge flaps
Walz et al. Design and testing of a helicopter rotor model with smart trailing edge flaps
Barrett et al. Design, construction and characterization of a flightworthy piezoelectric solid state adaptive rotor
Chen et al. Blade-vortex interaction noise reduction with active twist smart rotortechnology
Koratkar et al. Analysis and testing of a Froude scaled helicopter rotor with piezoelectric bender actuated trailing edge flaps
Thakkar et al. Active twist control of smart helicopter rotor-a survey
Prechtl et al. Closed-loop vibration control experiments on a rotor with blade mounted actuation
Roget et al. Wind-tunnel testing of rotor with individually controlled trailing-edge flaps for vibration reduction
Bernhard et al. Hover testing of active rotor blade-tips using a piezo-induced bending-torsion coupled beam
Ganguli et al. Smart helicopter rotors
Nguyen Active control of helicopter blade stall
Koratkar et al. Analysis and testing of a Mach-scaled helicopter rotor in hover with piezoelectric bender-actuated trailing-edge flaps
Viswamurthy et al. Effect of piezoelectric hysteresis on helicopter vibration control using trailing-edge flaps
Chopra Recent progress on the development of a smart rotor system
Koratkar et al. Analysis and testing of Mach scaled rotor model with piezoelectric bender actuated trailing-edge flaps for helicopter vibration control