סמינר מחלקתי של אוהד גור- עיצוב מדחפים - שיטות חדשות למנגנון עתיק

Propeller Design – Novel Methods for Ancient Apparatus

Monday December 30th at 14:00 

Wolfson Building of Mechanical Engineering, Room 206

Abstract:

The primal propulsion apparatus, the propeller, has gained renewed popularity in recent years due to the flourishing of unmanned air vehicles, urban air mobility, and electric propulsion systems. The seminar will present the basic requirements of a propeller as an aerial propulsion apparatus. Propeller design should consider several fields, such as aerodynamics, structure, acoustics, engine matching, vehicle interaction, and performance. While analysis methods for most of these disciplines remained unchanged during the last decades, the design method improved substantially by harnessing the capabilities of multidisciplinary design optimization tools. This is accomplished by harnessing fundamentals and accurate methods from various fields into a unified framework. Then, advanced optimization algorithms search for a suitable solution.

The seminar will review some of the challenges and solutions of such design processes and demonstrate their efficiency and accuracy for this complex multi-objective, multi-constraint design problem.

From time to time, exotic and odd configurations are suggested by ignoring basic engineering principles and neglecting the proper engineering design procedure. The talk will demonstrate this for several quasi-attractive, unorthodox propeller designs.

Bio:

Ohad earned his BSc MSc and PhD from the Technion—IIT, Faculty of Aerospace Engineering.

For the past 15 years, Ohad has been an aeronautical engineer in IAI, Isreal Aerospace Industries.

Previously, he worked in the Israeli Air Force, BVR Systems, and Virginia Tech University.

Recently, his book Propeller Design was published under the AIAA Educational Series. This book summarizes three decades of mastering propeller design.