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Spacecraft & Hybrid Rocket Motor Flight Model Design for a Deep Space Mission: Scalable Hybrid Rocket Motor for Small Satellite Propulsion
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis, the design and particularities of a unique and revolution- ary scalable propulsion system are presented. A spacecraft mechanical design is included together with a mission definition, aiming to provide a context for a technology demonstration in space of an Hybrid Rocket Motor (HRM) as satellite thruster.

Rocket motors have been around for many decades, with their use mainly focused on launch vehicles and large satellites, thus restricting the access to space to institutions with big budgets. To overcome this limitation, the application of a cost-effective type of rocket motor without a heritage of space utilization is explored. This is the implementation of an HRM as satellite thruster. In Chapter 2, the characteristics of this particular case of chemical rocket motor are presented in detail.

The HRM applied for the present mission is a particular case of an in- house developed motor design method. As presented in Chapter 7, a scalable and versatile mechanical and propulsion design have been elab- orated following the maturation of a scalability software (Appendix A). The combination of these constitute a valuable tool allowing for a fast and accurate motor design for the desired scenario.

Taking advantage of this straightforward tool, an attractive mission was defined to provide a meaningful context for the maiden use of an HRMin space. A micro satellite deep space mission, defined in Chapter 3, was chosen to validate the tool and prove Hybrid Rocket Motors (HRMs) capabilities, showing the benefits of its use over other propulsion systems already available, specifically in the small satellite family. The spacecraft design was tackled aiming to support the motor’s scalable concept while complying with the mission requirements and space standards. The out- come is an easily adaptable satellite design, justified in Chapter 8.

The performed structural simulations are outlined in Appendix C to validate the developed design.

Ultimately, this thesis work intends to provide the space community with a noteworthy product, opening the access to interplanetary missions provided the reduced mission costs of small satellites mounted with anHRM as propulsion system.

Arising from the thesis content, research papers (Part v) have been published and presented in distinguished congresses, contributing to space development.

Place, publisher, year, edition, pages
2019. , p. 221
Keywords [en]
Scalable, Hybrid Rocket Motor, Simulation Algorithm, Small Satellites, Space exploration
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-76816OAI: oai:DiVA.org:ltu-76816DiVA, id: diva2:1372189
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level (120 credits)
Presentation
2019-11-20, D1, Rymdcampus 1 (LTU), 981 92, Kiruna, 10:00 (English)
Supervisors
Examiners
Available from: 2019-11-26 Created: 2019-11-22 Last updated: 2020-01-09Bibliographically approved

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