The focus on volatile organic compounds (VOCs) detection is dictated by the increasing awareness of their impact on human health. In addition, VOCs are increasingly considered novel for early diagnosis of diseases. Among various types of VOC sensor devices, optical detectors play an essential role, offering excellent versatility, fast response time ...
Aleksandra Hernik +6 more
wiley +1 more source
Antenna pattern shaping, sensing, and steering study Final report [PDF]
Design of steerable satellite antenna with beam pattern sensing ...
Bigelow, S. C. +4 more
core +1 more source
Performance and Airloads Analyses for a Rigid Coaxial Rotor of High-Speed Compound Unmanned Rotorcrafts [PDF]
Young-Min Kwon, Jae-Sang Park
openaire +1 more source
In-place recalibration technique applied to a capacitance-type system for measuring rotor blade tip clearance [PDF]
The rotor blade tip clearance measurement system consists of a capacitance sensing probe with self contained tuning elements, a connecting coaxial cable, and remotely located electronics.
Barranger, J. P.
core +1 more source
Tradeoff analysis of technology needs for public service helicopters [PDF]
The design requirements for a family or type of Public Service Helicopter (PSH) is examined which will satisfy the needs of municipal and state governments in the following mission areas: Emergency Medical Service--Airborne Rescue Squad; Law Enforcement;
Bauchspies, J. S. +2 more
core +1 more source
Dynamic modeling and analysis of the rotor-stator coupling system of a coaxial contra-rotating gearbox. [PDF]
Zhang D, Cui J, Zhu R, Li M.
europepmc +1 more source
An Exploration of the Performance and Acoustic Characteristics of UAV-Scale Stacked Rotor Configurations [PDF]
As interest grows in rotor- and propeller-driven electric vertical takeoff and landing (eVTOL) aircraft for the Urban Air Mobility market, there is a potential for previously studied concepts to reemerge due to the opportunities afforded by novel ...
Fei, Xiaofan +5 more
core +1 more source
Design and fabrication of coaxial micro helicopter [PDF]
In this thesis the design of a coaxial micro helicopter is presented and based on the design, a model is fabricated. The thesis starts with the introduction on the previous models of micro helicopters like the Coax and the Epson.
Mishra, Pratik
core
Computational Study of NASA's Quadrotor Urban Air Taxi Concept [PDF]
High-fidelity computational fluid dynamics simulations have been carried out in order to analyze NASA's quadrotor urban air taxi concept for urban air mobility, also know as on-demand mobility applications. High-order accurate schemes, dual-time stepping,
Ventura Diaz, Patricia, Yoon, Seokkwan
core +1 more source
Research on Attitude Detection and Flight Experiment of Coaxial Twin-Rotor UAV. [PDF]
You D, Hao Y, Xu J, Yang L.
europepmc +1 more source

