Outputs (10)

Preliminary Design of a GNSS Interference Mapping CubeSat Mission: JamSail (2024)
Journal Article
Cormier, L., Yousif, T., Thompson, S., Arcia Gil, A., Pushparaj, N., Blunt, P., & Cappelletti, C. (2024). Preliminary Design of a GNSS Interference Mapping CubeSat Mission: JamSail. Aerospace, 11(11), Article 901. https://doi.org/10.3390/aerospace11110901

The JamSail mission is an educational CubeSat aiming to design, develop, and demonstrate two new technologies on a small satellite, tentatively scheduled for launch no earlier than 2026. When launched, JamSail will demonstrate the functionality of tw... Read More about Preliminary Design of a GNSS Interference Mapping CubeSat Mission: JamSail.

Optimization of MMX relative quasi-satellite transfer trajectories using primer vector theory (2024)
Journal Article
Pushparaj, N., Baresi, N., & Kawakatsu, Y. (2024). Optimization of MMX relative quasi-satellite transfer trajectories using primer vector theory. Acta Astronautica, 225, 390-401. https://doi.org/10.1016/j.actaastro.2024.09.031

Quasi-satellite orbits (QSO) are stable retrograde parking orbits around Phobos that are currently being considered for JAXA’s upcoming robotic sample return mission Maritan Moons Exploration (MMX). During the proximity operations o... Read More about Optimization of MMX relative quasi-satellite transfer trajectories using primer vector theory.

Towards isolated roughness induced boundary layer transition at supersonic speeds (2024)
Journal Article
González, L. E. M., & Dakka, S. M. (2024). Towards isolated roughness induced boundary layer transition at supersonic speeds. International Journal of Scientific and Technical Research in Engineering, 9(2), 1-16

The height of surface roughness elements affects the onset of laminar to turbulent transition in a boundary layer. CFD studies have been accomplished using RANS models at very low speeds, as a first step towards the understanding of this technology i... Read More about Towards isolated roughness induced boundary layer transition at supersonic speeds.

Numerical Analysis of Aerospike Engine Nozzle Performance at Various Truncation Lengths (2021)
Journal Article
Dakka, S., & Dennison, O. (2021). Numerical Analysis of Aerospike Engine Nozzle Performance at Various Truncation Lengths. International Journal of Aviation, Aeronautics, and Aerospace, 8(2), Article 12. https://doi.org/10.15394/ijaaa.2021.1601

The aerospike engine was first devised in the early 1960s where it provided new means of reaching orbit in a single stage. The paper aimes to demonstrate the viability of the technology by showcasing the increased nozzle thrust efficiency over the co... Read More about Numerical Analysis of Aerospike Engine Nozzle Performance at Various Truncation Lengths.

Performance Characteristics Design of Pulsed Plasma Thrusters for Drag Counter-Reacting (2020)
Journal Article
Dakka, S. (2020). Performance Characteristics Design of Pulsed Plasma Thrusters for Drag Counter-Reacting. International Journal of Aviation, Aeronautics, and Aerospace, 7(4), Article 1. https://doi.org/10.15394/ijaaa.2020.1530

Determining the performance characteristics of off the shelf pulsed plasma thrusters to enhance the life time of low earth orbiting platforms was investigated theoretically. Pulsed plasma thruster analysis was accomplished through development of corr... Read More about Performance Characteristics Design of Pulsed Plasma Thrusters for Drag Counter-Reacting.

Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed (2019)
Journal Article
Dakka, S., & Johnson, O. (2019). Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed. International Journal of Aviation, Aeronautics, and Aerospace, 6(5), Article 17

Blended Wing Body (BWB) is a novel aircraft concept which provides many different aerodynamic benefits over conventional aircrafts design. This research investigated the BWB design, L/D characteristics, surface pressure distribution and span-wise lif... Read More about Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed.

Computational fluid dynamics investigation into flow behavior and acoustic mechanisms at the trailing edge of an airfoil (2018)
Journal Article
Jackson, B. R., & Dakka, S. M. (2018). Computational fluid dynamics investigation into flow behavior and acoustic mechanisms at the trailing edge of an airfoil. Noise and Vibration Worldwide, 49(1), 20-31. https://doi.org/10.1177/0957456517751455

© The Author(s) 2018. Airfoil self-noise or trailing edge noise and shear noise were investigated computationally for a NACA 0012 airfoil section, focusing on noise mechanisms at the trailing edge to identify and understand sources of noise productio... Read More about Computational fluid dynamics investigation into flow behavior and acoustic mechanisms at the trailing edge of an airfoil.

Design, development and testing of shape shifting wing model (2017)
Journal Article
Ninian, D., & Dakka, S. M. (2017). Design, development and testing of shape shifting wing model. Aerospace, 4(4), Article 52. https://doi.org/10.3390/aerospace4040052

The design and development of morphing (shape shifting) aircraft wings—an innovative technology that has the potential to increase the aerodynamic efficiency and reduce noise signatures of aircrafts—was carried out. This research was focused on reduc... Read More about Design, development and testing of shape shifting wing model.

Theoretical Prediction of Critical Pyrolysate Mass Fluxes of a Material to Mitigate Spacecraft or Planetary Habitat Fire (2017)
Journal Article
Dakka, S. (2017). Theoretical Prediction of Critical Pyrolysate Mass Fluxes of a Material to Mitigate Spacecraft or Planetary Habitat Fire. Journal of the British Interplanetary Society, 70, Article 12-18

Future deep space exploration and plans for planetary settlements prompted researchers to address variety of challenging engineering problems. One problem is developing materials that can mitigate an event of interplanetary spacecraft fire. A numeric... Read More about Theoretical Prediction of Critical Pyrolysate Mass Fluxes of a Material to Mitigate Spacecraft or Planetary Habitat Fire.

An investigation into flow behavior and acoustic mechanisms at the trailing edge of an airfoil (2016)
Journal Article
Dakka, S. M., Jackson, B. R., Jackson, B. R., & Dakka, S. M. (2016). An investigation into flow behavior and acoustic mechanisms at the trailing edge of an airfoil. Noise and Vibration Worldwide, 47(7-8), 99-111. https://doi.org/10.1177/0957456516683004

© 2016, © The Author(s) 2016. The aerodynamic and acoustic testing of a NACA0012 airfoil section was performed in an open wind tunnel, focusing on noise mechanisms at the trailing edge to identify and understand sources of noise production. The sound... Read More about An investigation into flow behavior and acoustic mechanisms at the trailing edge of an airfoil.