Stability and Performance Analysis of Hybrid Vertical Takeoff and Landing Unmanned aerial vehicle
Hybrid vertical takeoff and landing unmanned air vehicles are nowadays under consideration because of their longer range, take-off and landing ability at any desired point and cruise capabilities. The flight regime of already designed VTOL UAV which is under consideration for analysis is divided int
Project Title
Stability and Performance Analysis of Hybrid Vertical Takeoff and Landing Unmanned aerial vehicle
Project Area of Specialization
Project Summary
Hybrid vertical takeoff and landing unmanned air vehicles are nowadays under consideration because of their longer range, take-off and landing ability at any desired point and cruise capabilities. The flight regime of already designed VTOL UAV which is under consideration for analysis is divided into three categories, that is, vertical take-off, transition and cruise flight. VTOL UAV is designed and fabricated then static and dynamic stability, and performance analysis of already designed UAV is done in forward flight and parameters are compared with the computational fluid dynamic results. Since hover mode is characterized by thrust produced in vertical direction and parameters like coefficient of thrust and torque. So, these parameters are calculated from momentum theory and the blade element theory and are then compared with computational fluid dynamics results. Also, CAD model is developed and the grid is generated and grid independence and time independence study is done and the flow behavior around VTOL UAV is described in cases of vertical take-off, hover and forward flight mode.
Project Objectives
The aim of the project is to design, fabricate and calculate the stability and performance parameters in case of hover, vertical take-off and forward flight mode. In case of hover and vertical take-off thrust and weight calculations are performed and in forward flight mode for static stability longitudinal, lateral and directional stability is carried out and for dynamic stability eigen values are calculated and stability of VTOL UAV is explained in short period, phugoid, roll, dutch roll and spiral mode is carried out. Then the CFD analysis is required to analyze the flow field around the propellers and to validate the results that are already calculated analytically.
Project Implementation Method
First of all VTOL UAV is designed and fabricated then static and dynamic stability analysis is performed in forward flight then performance analysis of the VTOL UAV is done in forward flight. Then performance parameters are caluclated using momentum and blade element theory . Then CAD model of the VTOL UAV is developed and then CFD analysis of the VTOL UAV is done by rotating the propellers and calculating the performance paramteters.
Benefits of the Project
The designed VTOL UAV can be used for surveillance and reconaissance missions and can also be used for other purposes as it has the ability to hover in the air . Furthermore, rotation of propellers in the CFD actually helps to understand the flow visualization around the propellers in vertical take-off, hover and forward flight mode.The designed VTOL UAV in mass production will be beneficial in providing aerial platforms.
Technical Details of Final Deliverable
VTOL UAV has positive longitudinal, lateral and directional stability.VTOL UAV is longitudinally stable in short period and phugoid mode.VTOL UAV is laterally stable in roll and dutch roll but unstable in spiral mode.CFD results are calculated for vertical take-off and hover mode and are compared with experimental results.CFD results calculated for different RPMs with momentum and the blade element theory.In forward flight mode lift, drag and moment coefficients are calculated and are compared with the CFD results.
Final Deliverable of the Project
Core Industry
Other Industries
Core Technology
Other Technologies
Sustainable Development Goals
Required Resources
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Balsa Wood | Equipment | 5 | 2000 | 10000 |
| Pixhawk controller | Equipment | 1 | 30000 | 30000 |
| Commercial offshelve items | Equipment | 1 | 30000 | 30000 |
| Transportation, replacement of small motors, propellers or balsa wood | Miscellaneous | 1 | 10000 | 10000 |
| Total in (Rs) | 80000 |
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