Browsing by Author "Mengüç, Mustafa Pınar"
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Absorption and plasmon resonance of bi-metallic core-shell nanoparticles on a dielectric substrate
Avşar, D.; Ertürk, H.; Mengüç, Mustafa Pınar (Begell House Inc., 2019-06)Numerical investigation of absorption efficiency profiles and localized surface plasmon resonance (LSPR) wavelengths are performed for metallic core-shell nanoparticles (NPs) placed over a BK7 glass substrate. Gold (Au) ... -
Absorption and plasmon resonance of Bi-metallic core-shell nanoparticles on a dielectric substrate near an external tip
Avsar, D.; Erturk, H.; Mengüç, Mustafa Pınar (Elsevier, 2020-01)Absorption efficiency profiles and localized surface plasmon resonance (LSPR) wavelengths are reported for metallic core-shell nanoparticles (NPs) placed over a BK7 glass substrate. A numerical study is performed with the ... -
Absorption suppression of silver nanoparticles in the presence of an AFM tip: A harmonic oscillator model
Huda, G. M.; Mengüç, Mustafa Pınar; Hastings, J. T. (AIP, 2012)We numerically calculated the optical absorption of silver nanoparticles (AgNP) in the presence of metallic and dielectric AFM probes, illuminated by transverse magnetic (TM) polarized, total internal reflected waves. ... -
An adaptive vent system for localized and customized thermal management in buildings
Keskin, Cem; Mengüç, Mustafa Pınar (ASME, 2020-05-01)This paper introduces an innovative ventilation system that is capable of providing localized and customized thermal conditions in buildings. The system has diffusers with individually operable flaps that facilitate ... -
Airflow characteristics and thermal comfort of air diffusers
Eraslan, Tolga Arda; Keskin, Cem; Mengüç, Mustafa Pınar (ASME, 2023)Indoor environment quality control is very important for building operations as occupant of buildings spend up to 90% of their time indoors. After Covid-19 pandemic break out, indoor environment quality has become even ... -
Analysis of near-field radiation transfer within nano-gaps using FDTD method
Didari, Azadeh; Mengüç, Mustafa Pınar (Elsevier, 2014-10)Enhancement of near-field radiative emission via coupling of surface plasmons in nano-gaps formed between thin films is important for understanding and implementation of energy harvesting using nano-thermophotovoltaic ... -
Analysis of perlite and pumice based building insulation materials
Çelik, S.; Family, Roxana; Mengüç, Mustafa Pınar (Elsevier, 2016-06)Insulation panels composed of perlite, pumice, and cement were fabricated. Perlite and pumice were used to achieve high thermal resistance, and low density. Experimentation was conducted for determining R-values of ... -
Analysis of sustainable materials for radiative cooling potential of building surfaces
Family, Roxana; Mengüç, Mustafa Pınar (MDPI AG, 2018)The main goal of this paper is to explore the radiative cooling and solar heating potential of several materials for the built environment, based on their spectrally-selective properties. A material for solar heating, ... -
Augmenting occupant thermal experience with cyber-physical-social systems : a case study on adaptive vents
Keskin, Cem (2020-06-11)Buildings use more than 30% of global energy, while 36% of this energy comes from direct combustion of fossil fuels. Hence, buildings constitute a considerable share of CO2 emissions and has a large contribution to climate ... -
A biomimicry design for nanoscale radiative cooling applications inspired by Morpho didius butterfly
Didari, Azadeh; Mengüç, Mustafa Pınar (Nature Publishing Group, 2018-11-15)In nature, novel colors and patterns have evolved in various species for survival, recognizability or mating purposes. Investigations of the morphology of various butterfly wings have shown that in addition to the pigmentation, ... -
Biomimicry designs for passive optical solutions for nanoscale radiative cooling applications
Didari, Azadeh; Mengüç, Mustafa Pınar (SPIE, 2018)Inspired by the mechanism of the wings of Morpho butterfly, here we propose biomimicry designs which have the potential to be used for radiative cooling purposes. We numerically analyzed the spontaneous emission at near-field ... -
Boiling heat transfer enhancement of magnetically actuated nanofluids
Şeşen, M.; Tekşen, Y.; Şahin, B.; Şendur, K.; Mengüç, Mustafa Pınar; Koşar, A. (AIP, 2013)Nanofluids offer a potential breakthrough as next-generation heat transfer fluids since they offer exciting new possibilities to enhance heat transfer performance compared to pure liquids. A major drawback for using ... -
Bringing sustainability to the heart of a university through teaching, research and service
Gençtürk, Esra; Mengüç, Mustafa Pınar (EDP Sciences, 2018)In this short paper, we summarize our targeted efforts at Ozyegin University in Istanbul, Turkey for establishing a sustainable research, teaching and learning environment. The University is striving to have highest level ... -
Cascaded thermodynamic and environmental analyses of energy generation modalities of a high-performance building based on real-time measurements
Al Doury, Raaid Rashad Jassem; Ozkan, S.; Mengüç, Mustafa Pınar (MDPI AG, 2020-04)This study presents cascaded thermodynamic and environmental analyses of a high-performance academic building. Five different energy efficiency measures and operation scenarios are evaluated based on the actual measurements ... -
Center for Energy, Environment and Economy From Nano to Giga - Research and Applications
Mengüç, Mustafa Pınar; Saygı, Dilek; Ötkün, G. E.; Mengüç, Mustafa Pınar; Saygı, Dilek (Özyeğin University, 2021-08)N/A -
Challenges for radiative transfer 1: towards the effective solution of conjugate heat transfer problems
Howell, J. R.; Mengüç, Mustafa Pınar (Elsevier, 2018-12)This paper lists crucial challenges in radiative transfer with the objective of gathering information on improving and choosing methods for solving conjugate heat transfer problems. Developments in computational and ... -
Coexistence of multiple regimes for near-field thermal radiation between two layers supporting surface phonon polaritons in the infrared
Francoeur, M.; Mengüç, Mustafa Pınar; Vaillon, R. (American Physical Society, 2011)We demonstrate the coexistence of different near-field thermal radiation regimes between two layers supporting surface phonon polaritons (SPhPs) in the infrared. These regimes existwhen the distance of separation between ... -
Colorization of passive radiative cooling coatings using plasmonic effects
Pirouzfam, N.; Mengüç, Mustafa Pınar; Sendur, K. (Elsevier, 2023-05)Passive radiative cooling is a novel concept and is likely to be important for building and industrial energy ef-ficiency efforts, as it will significantly contribute to the reduction of thermal management costs for ... -
Comparison between discrete dipole approximation and other modelling methods for the plasmonic response of gold nanospheres
Loke, Vincent L. Y.; Huda, G. M.; Donev, E. U.; Schmidt, V.; Hastings, J. T.; Mengüç, Mustafa Pınar; Wriedt, T. (Springer Science+Business Media, 2014-05)We investigate the plasmonic response of gold nanospheres calculated using discrete dipole approximation validated against the results from other discretization methods, namely the finite-difference time-domain method and ... -
Computational near-field radiative transfer and nf-rt-fdtd algorithm
Didari, A.; Mengüç, Mustafa Pınar (Begell House Inc., 2020)Understanding the fundamentals of near-field radiative transfer is essential for future development of new sensors and energy harvesting devices. Simulations of such problems would require a coupled solution of the ...
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