Kyll Schomberg - PhD Candidate (2013 - )
Project: Altitude-compensating rocket nozzle design

Supervisors: Doig, Olsen, Neely

Kyll completed his undergraduate BE in Aerospace Engineering at UNSW Australia, graduating with first class honours in 2012. He started his PhD in rocket nozzle contour design in 2013.

"I grew up on the Central Coast in New South Wales before moving down to the big smoke to start my tertiary education at UNSW Australia. Undergraduate efforts were mainly geared towards as many non-academic pursuits as possible, ranging from: coordinating orientation weeks, social events and the executive committee of Philip Baxter College, undertaking an international exchange to Boulder, Colorado, taking 9 students on a volunteering trip to Rabi, Fiji and competing in the Australian uni games. My passion for propulsion research and nozzle design manifested whilst completing my undergraduate honours thesis and as a result I began my PhD studies in 2013 that has focused on developing a direct approach to rocket nozzle contour design.”

What are you up to?

My research is focused on applying a direct approach to the design of a rocket nozzle contour in order to increase useful thrust and propulsive efficiency, directly resulting in a decrease in engine weight and cost. The analysis is multidisciplinary in nature and incorporates a numerical (using commercially available CFD codes) and experimental (in collaboration with the Australian Defence Force Academy at UNSW Canberra) elements. Three main goals exist for the research:

• Establish a new nozzle design method based on a finite series of circular arcs

• Demonstrate that the new method can be used to produce a net gain over existing designs

• Apply the method to existing and advanced rocket nozzle concepts


What are your plans for the future? 

I would like to establish the arc-based method as a legitimate design tool for the construction of a rocket nozzle contour and see the use of one of my novel designs in a space launch system.

I would also like to conduct the first hot-fire test of a linear ED nozzle in the southern hemisphere as well as (hopefully) contribute to the development of an efficient single stage propulsion system. Raising the profile of research and academia among the undergraduate community is a long term goal of mine as well as continuing to supervise research students of my own.


Contact Kyll: kyll.schomberg@unsw.edu.au

 

Kyll Schomberg Publications (c. December 2014):

Schomberg, K., Olsen, J., Neely, A.J., Doig, G.
Effect of the Contour Shock on Restricted Shock Separation
Journal of Propulsion and Power (accepted, in press)

Schomberg, K., Olsen, J., Neely, A.J., Doig, G.
Suppressing Restricted Shock Separation in a Rocket Nozzle Using Contour Geometry.
Journal of Propulsion and Power, 32, 5: 1298-1301.

Schomberg, K., Doig, G., Olsen, J.
Design of High Area-Ratio Nozzle Contours Using Circular Arcs.
Journal of Propulsion and Power, Vol. 32, No. 1, pp. 188-195

Schomberg, K., Doig, G., Olsen, J.
Design of High Area-Ratio Nozzle Contours Using Circular Arcs.
Journal of Propulsion and Power, Vol. 32, No. 1, pp. 188-195

Schomberg, K., Doig, G., Olsen, J.
Computational Simulation of an Altitude Adaptive Nozzle Concept
Applied Mechanics and Materials Vol. 553 pp 223-228.

Schomerg, K., Olsen, J., Neely, A.J., Doig, G.
Suppressing Restricted Shock Separation in a Rocket Nozzle Using Contour Geometry.
51st AIAA/SAE/ASEE Joint Propulsion Conference at Propulsion and Energy 2015, 27-29 July, Orlando, Florida.

Schomberg, K., Doig, G., Olsen, J., Neely, A.J.
Numerical Analysis of a Linear Expansion Nozzle at Open Wake Flow Conditions.
16th Australian International Aerospace Congress
, 23-24 February 2015, Melbourne, Australia.

Schomberg, K., Olsen, J., Neely, A., Doig, G.
Design of an Arc-Based Thrust-Optimised Rocket Nozzle Contour

6th European Conference for Aeronautics and Space Sciences, Krakow, Poland.

Schomberg, K., Doig, G., Olsen, J., Neely, A.J.
Geometric Analysis of the Linear Expansion Deflection Nozzle at Highly Overexpanded Flow Conditions.
AIAA Joint Propulsion Conference, Cleveland, OH, July 2014.

Schomberg, K., Doig, G., Olsen, J.
Design of High Area Nozzle Contours Using Circular Arcs.
AIAA Joint Propulsion Conference, Cleveland, OH, July 2014.

Schomberg, K., Doig, G., Olsen, J., Neely, A.J.
Experimental Analysis of a Linear Expansion-Deflection Nozzle at Highly Overexpanded Conditions.
19th Australasian Fluid Mechanics Conference, 8-11 December 2014, Melbourne.

Schomberg, K., Doig, G., Olsen, J “Computational Analysis of Pintle Variation in a Linear Expansion Nozzle”, 13th Australian Space Science Conference. Sydney, Australia – Best Paper Award.

Schomberg, K., Doig, G., Olsen, J.
Computational simulation of an altitude adaptive nozzle concept.
1st Australasian Conference on Computational Mechanics, October 2013.

Schomberg, K., Doig, G., Olsen, J.
Computational analysis of pintle variation in an expansion-deflection nozzle.

13th Australian Space Science Conference, Sydney, October 2013.

Schomberg, K., Olsen, J. “Altitude compensation in expansion-deflection nozzles”, 18th Australian Fluid Mechanics Conference, 2012. Launceston, Australia.

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