Optimization design of the ignition system for Wankel rotary engine considering ignition environment, flow, and combustion

H Jiao, R Zou, N Wang, B Luo, W Pan, J Liu - Applied Thermal Engineering, 2022 - Elsevier
To improve the poor in-cylinder combustion condition of the spark ignition (SI) Wankel rotary
engine (WRE) and improve its efficiency, this paper optimized the traditional SI system into …

Energy harvesting from the gust response of membrane wing using piezoelectrics

G Huang, Y Dai, Y Wu, C Yang, Y Xia - Aerospace Science and …, 2022 - Elsevier
Micro-air vehicles face challenges in aerodynamic and endurance. This paper presents a
novel gust response-based membrane wing energy harvester to solve these issues. An aero …

Effects of wind disturbance on the aerodynamic performance of a quadrotor MAV during hovering

Y Lei, Y Huang, H Wang - Journal of Sensors, 2021 - Wiley Online Library
Wind disturbance could render thrust and power variation or even causing roll which is
difficult to maintain a steady flight in gust especially when the horizontal or vertical wind is …

Preparation and numerical simulation of heat transfer performance for methyl palmitate/expanded graphite phase change composite

BC Chi, Y Yao, SP Cui - Key Engineering Materials, 2020 - Trans Tech Publ
Methyl palmitate (MP) is a promising phase change energy storage material. It features high
latent heat, suitable phase change temperature, low degree of supercooling and so on …

Novel propulsion systems for micro aerial vehicles

A Lidor, D Weihs, E Sher - Journal of Propulsion and Power, 2019 - arc.aiaa.org
IN THE past 20 years, there has been an increased interest in the development of micro
aerial vehicles (MAVs), either autonomous or remotely controlled, to be used in a variety of …

A new hydrogen-based phase change material open-cycle micro engine

A Lidor, A Zibitsker, D Weihs, E Sher - international journal of hydrogen …, 2017 - Elsevier
A phase change material (PCM) open-cycle engine is a distinctive cycle that uses the
ambient air as its hot reservoir and an on-board hydrogen storage as its cold reservoir. Here …

Design of a thermal control device suitable for airborne remote sensors

L Weiyi, G Ming, X Yulei, X Yongsen, C Zhifeng… - Applied thermal …, 2014 - Elsevier
An increasingly higher temperature is required with the rapid development of airborne
remote sensors, giving rise to an urgent demand for a technology or device which can …

[PDF][PDF] Development of a PCM-based engine for Micro Aerial Vehicles (MAV)

J Fuchs, A Lidor, E Sher, D Weihs - Conference Program, 2015 - ptuav.net.technion.ac.il
There has recently been an increased effort in research and development of remotely-
controlled and autonomous micro aerial vehicles (MAV). While there are many different …

A New Hydrogen-Based PCM Open-Cycle Micro Engine

E Sher, A Lidor, A Zibitsker, D Weihs - Conference Program - ptuav.net.technion.ac.il
A PCM open-cycle engine is a distinctive cycle that uses the ambient air as its hot reservoir
and an on-board hydrogen storage as its cold reservoir. Here we present new concept for a …

[PDF][PDF] The Cryogenic Miniature Propulsion System-Initial Test Results

E Sher, Y Fuchs, A Lidor, D Weihs - Conference Program - ptuav.net.technion.ac.il
A cryogenic miniature propulsion system for micro aerial vehicles MAV) has been
developed, constructed and tested. In this unique system, the energy source is a phase …