Chapter 1: Analytical Model of Spur Gear Tooth Crack For Evaluating The Effect of Crack Propagation Angle on Vibration Response -- Chapter 2: Predicting Air Pollution: A smart step in pollution management -- Chapter 3: Eduline: A Novel Edtech Platform -- Chapter 4: Net Quest: Networking Through Gaming -- Chapter 5: NUMERICAL STUDIES OF HYBRID ROCKET PROPELLENT -- Chapter 6: Analysis of Code Smells using Machine Learning Algorithms -- Chapter 7: Solar Powered Fixed Wing UAV: Fabrication Procedures with Design methods -- Chapter 8: Experimental testing of Agriculture Drone with Design Optimization -- Chapter 9: Control systems for Unmanned Aerial Vehicles: Advancement and Challenges -- Chapter 10: A Tri-Ducted Fan Tilting VTOL UAV: Conceptual Design and Aerodynamic Analysis. etc.

The book presents the select proceedings of 2nd International Conference on Modern Research in Aerospace Engineering (MRAE 2023). It covers the latest research in the field of aerospace engineering and space technology. Various topics covered in this book are aerospace propulsion; space research; avionics and instrumentation; aerodynamics, wind tunnel and computational fluid dynamics; structural analysis and finite element method; aerospace materials and manufacturing system; air safety and airworthiness; aircraft control system and stability; aircraft maintenance, overhauling, NDT and other technical tests; autonomous airborne systems; airborne defence systems; AI and ML applications in aerospace engineering; unmanned aerial vehicles and flight mechanics. The book will be useful for researchers and professionals in aerospace engineering and space science and technology.