Selective wireless control of a passive thermopneumatic micromixer

Nafea, Marwan; AbuZiater, A.; Faris, Osama Oglah; Kazi, Suhail; Ali, Mohamed Sultan Mohamed

doi:10.1109/memsys.2016.7421748

Cited by 9 publications

(1 citation statement)

References 14 publications

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“…When exposed to an external radio frequency magnetic field (generated from the external coil) that matches its fr [26], the LC wireless heater generates Joule heat. The power, P, consumed in the circuit of the LC can be expressed by the following equation [25]:…”

Section: Design and Working Principlementioning

confidence: 99%

Modeling and simulation of a wirelessly-powered thermopneumatic micropump for drug delivery applications

Nafea

Baliah

Ali

2019

IJEEI

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This paper presents modeling and finite element analysis of a thermopneumatic micropump with a novel design that does not affect the temperature of the working fluid. The micropump is operated by activating a passive wireless heater using wireless power transfer when the magnetic field is tuned to match the resonant frequency of the heater. The heater is responsible for heating an air-heating chamber that is connected to a loading reservoir through a microdiffuser element. The solution inside the reservoir is pumped through a microchannel that ends with an outlet hole. The thermal and pumping performances of the micropump are analyzed using finite element method over a low range of Reynold's number ⩽ 10 that is suitable for various biomedical applications. The results demonstrate promising performance with a maximum flow rate of ∼2.86 μL/min at a chamber temperature of 42.5 ºC, and a maximum pumping pressure of 406.5 Pa. The results show that the developed device can be potentially implemented in various biomedical areas, such as implantable drug delivery applications.

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Section: Design and Working Principlementioning

confidence: 99%