Results 81 to 90 of about 847,370 (336)
Materials and structural aspects of advanced gas-turbine helicopter engines [PDF]
The key to improved helicopter gas turbine engine performance lies in the development of advanced materials and advanced structural and design concepts. The modification of the low temperature components of helicopter engines (such as the inlet particle ...
Acurio, J., Freche, J. C.
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Monitoring wildlife using long‐endurance solar‐electric UAVs
Wildlife Biology, EarlyView.This report discusses the effectiveness of using small solar‐electric UAV (uncrewed aerial vehicles) for aerial wildlife monitoring. We review four years of aerial wildlife monitoring missions using a 5.5‐m wingspan, solar‐electric UAV that was equipped with a gimballed IR/RGB camera.
Götz Bramesfeld +3 more
wiley +1 more source
The installation of a common rail diesel engine on a light helicopter of the eurocopter EC120 class
Ingeniería e Investigación, 2016 A feasibility study for the installation of a CRDID (Common Rail Direct Injection Diesel) on a light helicopter is introduced. The total mass available for the CRDID is evaluated starting from fuel consumption and helicopter data.
Leonardo Frizziero, Luca Piancastelli
doaj +1 more source
Ultra-heavy vertical lift system: The Heli-Stat [PDF]
, 1975 A hybrid VTOL airship which is combined with helicopters is evaluated. The static lift of the airship supports approximately the full empty weight of the entire assembly.
Piasecki, F. N.
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Building Leadership Capacity Through Systems Thinking: Principles and Habits for Educators
New Directions for Student Leadership, EarlyView.ABSTRACT This article explores the concept of systems thinking as a crucial skill for leadership students navigating a complex, interconnected world. We assert that incorporating systems thinking into leadership education can help individuals better understand the structure, interrelationships, and dynamics of various systems.
Jera E. Niewoehner‐Green +2 more
wiley +1 more source
Neural Network System for Predicting Anomalous Data in Applied Sensor Systems
Applied System InnovationThis article advances the research on the intelligent monitoring and control of helicopter turboshaft engines in onboard conditions. The proposed neural network system for anomaly prediction functions as a module within the helicopter turboshaft engine ...
Serhii Vladov +5 more
doaj +1 more source
LAWS OF MULTIPHASE FLOW BEHAVIOR IN THE HELICOPTER GAS TURBINE ENGINE INLET DUCT
Авіаційно-космічна техніка та технологія, 2017 The results of finite element modeling of the airflow contains dust particles of various sizes in the helicopter gas turbine engine air inlet duck with mounted and dismounted dust protective device are given.
Я. В. Двирник +1 more
doaj +1 more source
Research requirements for development of regenerative engines for helicopters [PDF]
The improved specific fuel consumption of the regenerative engine was compared to a simple-cycle turboshaft engine. The performance improvement and fuel saving are obtained at the expense of increased engine weight, development and production costs, and ...
Semple, R. D.
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Helicopters as a Theme in a Machine Design Course [PDF]
, 2014 Helicopters as a Theme in Teaching Machine Design A machine design course is required in most undergraduate mechanical engineering curricula.This course generally covers an introduction to mechanical engineering design, a review of materials engineering,
Nagurka, Mark L., Turner, Devin
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, 2017 Majority of today's fixed-pitch, electric-power quadrotors have short flight endurance ($
Chen, B. M., Lin, F., Pang, T., Peng, K.
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