Browsing by Author "Çetin, Barbaros"
Now showing items 1-20 of 49
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3D modeling of on-chip acoustophoretic particle manipulation in a polymer microfluidic device
(Chemical and Biological Microsystems Society, 2016)This study focuses on understanding of the sensitivities of the acoustophoretic process on uncertainties/errors in the geometric properties of the chip material and the piezoelectric actuators. The sensitivity of the ... -
3D printed microfluidic reactor for high throuhput chitosan nanoparticle synthesis
(Chemical and Biological Microsystems Society, 2016)The major bottleneck for the commercialization of nanoparticle related technologies is the mass production of the nanoparticles. One approach to overcome this bottleneck is use of microfluidic devices. In this paper, a 3D ... -
Ablation-cooled material removal at high speed with femtosecond pulse bursts
(OSA, 2015)We report exploitation of ablation cooling, a concept well-known in rocket design, to remove materials, including metals, silicon, hard and soft tissue. Exciting possibilities include ablation using sub-microjoule pulses ... -
Assessment of lagrangian modeling of particle motion in a spiral microchannel for ınertial microfluidics
(MDPI, 2018-08)Inertial microfluidics is a promising tool for a label-free particle manipulation for microfluidics technology. It can be utilized for particle separation based on size and shape, as well as focusing of particles. ... -
Assessment of silicon, glass, FR4, PDMS and PMMA as a chip material for acoustic particle/cell manipulation in microfluidics
(2023-03)In the present study, the capabilities of different chip materials for acoustic particle manipulation have been assessed with the same microfluidic device architecture, under the same actuator and flow conditions. Silicon, ... -
Boundary element method for optical force calibration in microfluidic dual-beam optical trap
(SPIE, 2015)The potential use of optical forces in microfluidic environment enables highly selective bio-particle manipulation. Manipulation could be accomplished via trapping or pushing a particle due to optical field. Empirical ... -
Boundary-Element method in microfluidics
(Springer, New York, 2015) -
Computational modeling of vehicle radiators using porous medium approach
(InTech Open, 2017)A common tool for the determination of thermal characteristics of vehicle radiators is the experimental testing. However, experimental testing may not be feasible considering the cost and labor-time. Basic understanding ... -
Çip-Üstü-Laboratuvar (ÇÜL) teknolojisinin gıda mikrobiyolojisindeki uygulamaları
(Sidas Medya Limited Şirketi, 2018)Son 20 yılda ortaya çıkan mikro-kanal yapılarında mikro-litreler mertebesinde akışkanın proses edilmesi için kullanılan çip-üstü-laboratuvar (ÇÜL) sistemleri konvansiyonel yöntemlere bir alternatif oluşturmaktadır. ... -
DC-electrokinetic motion of colloidal cylinder(s) in the vicinity of a conducting wall
(Wiley-VCH Verlag GmbH & Co. KGaA, 2022-06)The boundary effects on DC-electrokinetic behavior of colloidal cylinder(s) in the vicinity of a conducting wall is investigated through a computational model. The contribution of the hydrodynamic drag, gravity, electrokinetic ... -
The development of lab-on-a-chip fabricated from two molds
(Institute of Physics Publishing, 2018)Development of diagnostic technique of microfluidic or lab-on-a-chip (LOCs) is currently of great interest for researchers and inventors for their many advantages. It can be used as a real laboratory was many ways to help ... -
Effect of design and operating parameters on the thermal performance of aluminum flat grooved heat pipes
(Elsevier, 2018-03-05)Four aluminum flat grooved heat pipes with groove widths of 0.2, 0.4, 0.8 and 1:6 mm are fabricated and the effect of filling ratio on the thermal performance is experimentally studied for four different heat flux values ... -
Evaluation of nusselt number for a flow in a microtube with second-order model including thermal creep
(ASME, 2012-07)In this paper, Nusselt number for a flow in a microtube is determined analytically with a constant wall heat flux thermal boundary condition. The flow assumed to be incompressible, laminar, hydrodynamically and thermally ... -
Experiment-based optimization of an energy-efficient heat pump integrated water heater for household appliances
(Elsevier, 2022-04-15)Novel experimental-based study aims to determine the extent to which performance parameters of water heater system are altered when the heat pump is integrated and to clarify the optimum values of system variables by means ... -
Experimental thermal performance characterization of flat grooved heat pipes
(Taylor and Francis, 2019)The thermal characterization of aluminum flat grooved heat pipes is performed experimentally for different groove dimensions. Three heat pipes with groove widths of 0.2 mm, 0.4 mm, and 1.5 mm are used in the experiments. ... -
An extended Langhaar’s solution for two-dimensional entry microchannel flows with high-order slip
(Springer, 2019)The tremendous advances in micro-fabrication technology have brought numerous applications to the field of micro-scale science and engineering in recent decades. Microchannels are inseparable part of microfluidic technology ... -
An extended view for acoustofluidic particle manipulation: scenarios for actuation modes and device resonance phenomenon for bulk-acoustic-wave devices
(Acoustical Society of America, 2021-04-23)For the manipulation of microparticles, ultrasonic devices, which employ acoustophoretic forces, have become an essential tool. There exists a widely used analytical expression in the literature which does not account for ... -
Fast and predictive heat pipe design and analysis toolbox: H-Pat
(Journal of Thermal Science and Technology, 2022-04-30)For the assessment of the thermal performance of heat pipes, a wide range of modeling is available in the literature, ranging from simple capillary limit analyses to comprehensive 3D models. While simplistic models may ... -
Finite element modeling of micro-particle separation using ultrasonic standing waves
(ASME, 2014)Acoustophoresis which means separation of particles and cells using acoustic waves is becoming an intensive research subject. The method is based on inducing an ultrasonic compression standing wave inside a microchannel. ... -
Flow rate-controlled pipetting for microfluidics: second-generation flexible hydraulic reservoir (FHRv2)
(Springer, 2021-01-04)A critical component of microfluidic technology is the fluid pumping mechanism. Syringe and pressure pumps are typically used in the lab environment; however, their operations generate considerable dead volume that is often ...
