Stephen Lynch is a professor of mechanical engineering at Penn State and director of the Penn State Center for Gas Turbine Research, Education, and Outreach. His research focuses on improving gas turbine technology for power generation and propulsion applications. Through both experimental and computational studies, he examines how to keep high-temperature materials cool without sacrificing gas turbine efficiency, and how advancements such as 3D printing can enable more sustainable power generation and aviation.
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Recent Publications
Experimental Investigation of Mach Number Effect on Overall Cooling Effectiveness for a Transonic Vane
Krull, M. R. & Lynch, S. P., Jun 1 2026, In: Journal of Turbomachinery. 148, 6, 061008.
Research output: Contribution to journal › Article › peer-review
The Impact of Multiscale Ceramic Matrix Composite Roughness on Heat Transfer and Boundary Layer Behavior
Wilkins, P. H., Lynch, S. P. & Thole, K. A., Jun 1 2026, In: Journal of Turbomachinery. 148, 6, 061006.
Research output: Contribution to journal › Article › peer-review
Effect of Flow Distortions on Pin Fins in the Entry Region of Circular Channels
Lundburg, E., Lynch, S. & Lyall, M. E., Mar 2025, In: Journal of Turbomachinery. 147, 3, 031015.
Research output: Contribution to journal › Article › peer-review
Entry Region Heat Transfer Augmentation With Pins, Fins, and Turbulators in Circular Channels
Lundburg, E., Lynch, S. & Lyall, M. E., Nov 1 2025, In: Journal of Turbomachinery. 147, 11, 111001.
Research output: Contribution to journal › Article › peer-review
Dirt Ingestion Impacts on Cooling Within a Double-Walled Combustor Liner
McFerran, K. C., Thole, K. A. & Lynch, S. P., Aug 1 2025, In: Journal of Turbomachinery. 147, 8, 081019.
Research output: Contribution to journal › Article › peer-review
Structured, sintered, and rastered strategies for fluid wicking in additively manufactured heat pipes
Noe, C., Morankar, S., Rattner, A. S., Potts, A., Goode, Z., El Dannaoui, T., Sherbondy, J. R., Chawla, N., Sixel, W., Bilén, S., Lynch, S., Westover, C. & Bhate, D., Feb 5 2025, In: Additive Manufacturing. 99, 104669.
Research output: Contribution to journal › Article › peer-review
Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
Schaeffer, C. B., Barringer, M. D., Lynch, S. P. & Thole, K. A., Mar 1 2025, In: Journal of Turbomachinery. 147, 3, 031003.
Research output: Contribution to journal › Article › peer-review
Effect of Ceramic Matrix Composites on the Thermal Efficiency of a Power Generation Turbine
Tayade, A. & Lynch, S., May 1 2025, In: Journal of Turbomachinery. 147, 5, 051011.
Research output: Contribution to journal › Article › peer-review
Unsteady heat flux measurements of turbulent junction flow with Reynolds number and freestream turbulence effects
Elahi, S. S., Moul, Z. K., Lange, E. A. & Lynch, S. P., Nov 15 2024, In: International Journal of Heat and Mass Transfer. 233, 125981.
Research output: Contribution to journal › Article › peer-review
Design and Cooling Performance of Additively Manufactured Ceramic Turbine Vanes
Fox, A., Lynch, S., Young, J. C., Frick, C. P., Hankins, J., Kuhn, K., Brinckmann, S. A. & Fertig, R. S., Jun 1 2024, In: Journal of Turbomachinery. 146, 6, 061007.
Research output: Contribution to journal › Article › peer-review
Influence of layer thickness and exposure on mechanical properties of additively manufactured polymer-derived SiOC ceramics
Young, J. C., Brinckmann, S. A., Fertig, R. S., Lynch, S. P. & Frick, C. P., Sep 2024, In: Open Ceramics. 19, 100652.
Research output: Contribution to journal › Article › peer-review
On enhancing the manufacturability and conversion of additively manufactured polymer-derived ceramics
Young, J. C., Brinckmann, S. A., Fox, A., Fertig, R. S., Lynch, S. P. & Frick, C. P., Nov 2024, In: Journal of the European Ceramic Society. 44, 14, 116691.
Research output: Contribution to journal › Article › peer-review
Overall Pressure Loss and Heat Transfer Performance of Additively Manufactured Offset Strip Fins Used in Compact Heat Exchangers
Saltzman, D. & Lynch, S., Dec 2022, In: Journal of Thermal Science and Engineering Applications. 14, 12, 120902.
Research output: Contribution to journal › Article › peer-review
Effect of a Ceramic Matrix Composite Surface on Film Cooling
Wilkins, P. H., Lynch, S. P., Thole, K. A., Vincent, T., Quach, S. & Mongillo, D., Aug 2022, In: Journal of Turbomachinery. 144, 8, 081014.
Research output: Contribution to journal › Article › peer-review
Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling
Wilkins, P. H., Lynch, S. P., Thole, K. A., Vincent, T., Quach, S. & Kaufman, E., Dec 2022, In: Journal of Turbomachinery. 144, 12, 121006.
Research output: Contribution to journal › Article › peer-review