Browsing by Author "Kaplan, Yüksel"

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Enhancing the performance of unitized regenerative proton exchange membrane fuel cells through microwave-synthesized chitosan based nanocomposites

Yelegen, Nebi; Kümük, Berre; Balun Kayan, Didem; Baran, Talat; Kaplan, Yüksel (Elsevier, 2024)

The membrane electrode assembly (MEA) is a core component of unitized regenerative proton exchange membrane fuel cells (UR-PEMFCs). The studies aimed to improve the cell performance and reduce the cost of the MEAs for the ...
Numerical investigation of subcooled boiling in a vertical pipe using a bubble-induced turbulence model

Mat, Mahmut Dursun; Aldaş, Kemal; Kaplan, Yüksel (2002)

A bubble-induced turbulence model is applied to subcooled boiling of water in a vertical pipe. The volume fractions, velocities, temperatures of water and steam and turbulence characteristics of the flow are estimated in ...
A three-dimensional mathematical model for absorption in a metal hydride bed

Aldaş, Kemal; Mat, Mahmut Dursun; Kaplan, Yüksel (2002)

Heat and mass transfer, fluid flow and chemical reactions in a hydride bed are numerically investigated with a general purpose PHOENICS code. Hydride formation takes place faster near the cooled boundary walls and slower ...