Results 81 to 90 of about 4,234 (146)

Publications in acoustics and noise control from the NASA Langley Research Center during 1940-1976 [PDF]

Reference lists are presented of published research papers in various areas of acoustics and noise control for the period 1940-1976. The references are listed chronologically and are grouped under the following general headings: (1) Duct acoustics; (2 ...
Fryer, B. A.
core   +1 more source

The Microwave Rotational Electric Resonance (RER) Spectrum of Benzothiazole. [PDF]

Molecules, 2023
Hadki HE, Koziol KJ, Kabbaj OK, Komiha N, Kleiner I, Nguyen HVL.   +5 more
europepmc   +1 more source

Computational Study of the Side-By-Side Urban Air Taxi Concept [PDF]

High-fidelity computational fluid dynamics simulations of NASAs Side-by-side air taxi concept have been carried out. The three-dimensional unsteady Navier-Stokes equations are solved on overset grids using high-order accurate schemes, dual-time stepping,
Ahmad, Jasim, Johnson, Wayne, Ventura Diaz, Patricia, Yoon, Seokkwan   +3 more
core   +1 more source

Combination resonance and primary resonance characteristics of a dual-rotor system under the condition of the synchronous impact of the inter-shaft bearing. [PDF]

Sci Rep, 2023
Zuo G, Hou L, Lin R, Ren S, Chen Y.
europepmc   +1 more source

Multidirectional Piezoelectric Vibration Energy Harvester Based on Cam Rotor Mechanism. [PDF]

Micromachines (Basel), 2023
Jiang X, Liu Y, Wei J, Yang H, Yin B, Qin H, Wang W.   +6 more
europepmc   +1 more source

Functional characteristics of the rigid elytra in a bamboo weevil beetle Cyrtotrachelus buqueti. [PDF]

IET Nanobiotechnol, 2022
Li X, Zheng Y.
europepmc   +1 more source

Synchronization of coaxial co-rotating tri-exciter with two torsional springs in far-resonance system. [PDF]

Sci Rep
Hou D, Liang Z, Hou Y, Fang P, Du M.
europepmc   +1 more source

s-CAM: An Untethered Insertable Laparoscopic Surgical Camera Robot with Non-Contact Actuation. [PDF]

Sensors (Basel), 2022
Li N, Liu H, Abdolmalaki RY, Mancini GJ, Tan J.   +4 more
europepmc   +1 more source

Investigation on coaxial pseudo-fault characteristics induced by the outer ring defect in the single-sided axle-box bearing of wheelset in urban rail vehicles. [PDF]

Sci Rep
Zhao W, Ding J, Liao X, Liu W.
europepmc   +1 more source

Aerodynamic Analysis of Rotor Spacing and Attitude Transition in Tilt-Powered Coaxial Rotor UAV. [PDF]

Sensors (Basel)
Wu W, Tan X, Liu X, Luo A, Niu L.
europepmc   +1 more source