Refereed Articles
Assessment," Engineering Management Journal (EMJ),
Vol.17, No 2, June 2005, 34-43.
Yeniay O., Unal R., and Lepsch R.A., “Using Dual Response Surfaces to Reduce Variability in Launch Vehicle Design:
A case study”, Reliability
Engineering & System Safety, 91, 2006, 407-412.
Keating C., Rogers R,, Unal R., Dryer D.,
Sousa-Poza A., Safford R., Peterson W., and Rabadi
G.,
"Systems of Systems Engineering "Engineering Management Journal,
Volume 15, Number 3,
September 2003, pp. 36-45.
Unal, R., Braun, R.D.,
Using Orthogonal Arrays," Journal of Cost Analysis and Management, Winter 2001, pp. 41-50.
Kauffmann, P., Fernandez, A., Keating C., Jacobs, D., and Unal, R. "Using Quality Function
Deployment to Select the Courses and Topics that Enhance Program
Effectiveness,"
Journal of Engineering Education, Volume 91, Number 2, April 2002, pp.
231-238.
Unal, R., Braun, R.D., Moore, A.A., and Lepsch, R.A., "Designing for Cost Using Genetic
Algorithms,"
Journal of Parametrics, Volume XXI, Number 1,
Fall 2001, pp. 59-73.
Kauffmann, P., Unal, R., Fernandez, A., and
Keating C., "A Model for Allocating Resources
to Research Programs by Evaluating Technical Importance and Research
Productivity, "Engineering
Management Journal Volume 12, Number 1, March 2000, pp. 5-8.
Rowell, L.F., Braun, R.D., Olds, J.R. and Unal R.,
" Multidisciplinary Conceptual Design
Optimization of Space Transportation Systems," Journal of Aircraft,
Volume 36, Number 1,
January-February 1999, pp 218-226.
Unal,
R., Wu, K.C. and
Platform Using Response Surface Methods," Quality Engineering,
Volume 9, Number 3,
1997, pp. 441-447.
Unal, R., Stanley, D.O and Lepsch,
R.A., "Parametric Modeling Using Saturated Experimental
Designs," Journal of Parametrics, Volume
XVI, Number 1, Fall 1996, pp. 3-18.
Lepsch, R.A. Jr., Stanley D. O. and Unal R., "Dual-Fuel Propulsion in Single Stage
Advanced
Manned Launch System Vehicle," Journal of Spacecraft and Rockets,
Volume 32, Number 3,
May-June 1995, pp. 417-425.
Clemson, B., Yonming, T., Payne, J. and Unal, R., "Efficient Methods for Sensitivity
Analysis,"
System Dynamics Review, Volume 11, No. 1, Spring
1995, pp. 31-49.
Guinta, A.A. and Unal,
R., "Rocket-Powered Single-Stage Vehicle Configuration Selection
and Design" Journal of Spacecraft and Rockets, Volume 31,
Number 5, September-Oct. 1994.
Unal, R., Stanley, D.O., Engelund,
W.C. and Lepsch, R.A., "Design for Quality Using
Response Surface
Methods: An Alternative to Taguchi’s Parameter Design Approach," Engineering
Management Journal
(EMJ) Volume 6, Number 3, September 1994, pp. 40-48.
Unal, R., Stanley, D.O and Joyner, C.R.,
"Parametric Model Building and Design Optimization Using
Response Surface Methods," Journal of Parametrics,
Volume XIV, Number 1, May 1994, pp. 81-96.
Unal,
R. and
Transactions on Engineering Management, Volume 40, Number 3,
August 1993, pp. 315-322.
Unal, R. and Bush, L.B., "Parametric
Optimization Study for an Aerobrake," Journal
of Parametrics,
Volume XIII, Number 1, pp. 51-65, May 1993.
Bush, L.B., Unal, R., Rowell, L.F. and Rehder, J.J., "Weight Optimization of an Aerobrake Structural
Concept for a Lunar Transfer Vehicle," NASA Technical Paper-3262,
December 1992.
Optimization for SSTO Vehicles," Journal of Spacecraft and Rockets,
Volume 29, Number 4,
July-August 1992, pp. 453-459.
Unal, R. and Bush, L.B., "Engineering Design
for Quality Using the Taguchi Approach," Engineering
Management Journal (EMJ) Volume 4, Number 1, March 1992, pp.
37-47.
Unal, R. and Dean, E.B., "Design Optimization
for Quality and Cost: The Robust Design Approach,"
Journal of Parametrics, Volume XI,
Number 1, August 1991, pp. 73-93.
Unal, R., Dean, E.B. and Moore, A., "A Space
Transportation System Operations and Support Cost
Modeling Approach," Journal of Parametrics,
Volume X, Number 4, December 1990, pp. 35-50.