Browsing Department of Mechanical Engineering by Issue Date
Now showing items 41-47 of 47
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Variation in cooling performance of a bio-based phase change material by adding graphene nanoplatelets with surfactants
(Elsevier, 2022)In this paper, thermal characteristics of various phase change materials induced with additives and surfactants are studied to enhance cooling properties and chemical stability. In this regard, graphene nanoplatelets at ... -
Cooling potential for hot climates by utilizing thermal management of compressed air energy storage systems
(Springer Nature, 2022)This work presents findings on utilizing the expansion stage of compressed air energy storage systems for air conditioning purposes. The proposed setup is an ancillary installation to an existing compressed air energy ... -
Design and Optimization of Fuel Cells: A Case Study on Polymer Electrolyte Membrane Fuel Cell Power Systems for Portable Applications
(Wiley, 2022)Fuel cells are energy conversion devices that directly convert chemical energy of fuels such as hydrogen to useful work with negligible environmental impact and high efficiency. This study deals with thermodynamic analysis ... -
Melting performance of a composite bio-based phase change material: An experimental evaluation of copper foam pore size
(Elsevier, 2022)This paper presents an experimental study on the thermal performance of a composite heat sink consisting of a bio-based phase change material and copper foam. The experiments are carried out at three different heat loads ... -
Design and Analysis of Gas Diffusion Layers in a Proton Exchange Membrane Fuel Cell
(MDPI, 2022)A proton exchange membrane fuel cell is an energy convertor that produces environmentally friendly electrical energy by oxidation of hydrogen, with water and heat being byproducts. This study investigates the gas diffusion ... -
Identifying Friction in a Nonlinear Chaotic System Using a Universal Adaptive Stabilizer
(IEEE, 2022-04)This paper proposes a friction model parameter identification routine that can work with highly nonlinear and chaotic systems. The chosen system for this study is a passively-actuated tilted Furuta pendulum, which is known ... -
Design and analysis of an alkaline fuel cell
(Yildiz Technical University, 2023)This study provides a step-by-step, up-to-date fuel cell fundamentals, thermodynamic and electrochemical principles, and system evaluation factors via a case study of a 10-kW alkaline fuel cell designed to operate in space ...