Thermal and flow analysis of a magneto-hydrodynamic micropump

Duwairi, H. M.; Abdullah, Mustafa

doi:10.1007/s00542-006-0258-0

Cited by 61 publications

(29 citation statements)

References 12 publications

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“…Joule heating must be considered in MHD pumps has been a topic of research, especially where the application involves a thermally active environment (Patel and Kassegne 2007). Channel width (aspect ratio) has a strong effect on temperature distributions in MHD pumps (Duwairi and Abdullah 2007).…”

Section: Electro-and Magneto-kinetic Pump Guidelinesmentioning

confidence: 99%

Recent advances in microscale pumping technologies: a review and evaluation

Iverson

Garimella

2008

Microfluid Nanofluid

426

249

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Micropumping has emerged as a critical research area for many electronics and biological applications. A significant driving force underlying this research has been the integration of pumping mechanisms in micro Total Analysis Systems (μTAS) and other multi-functional analysis techniques. Uses in electronics packaging and micromixing and microdosing systems have also capitalized on novel pumping concepts. The present work builds upon a number of existing reviews of micropumping strategies by focusing on the large body of micropump advances reported in the very recent literature. Critical selection criteria are included for pumps and valves to aid in determining the pumping mechanism that is most appropriate for a given application. Important limitations or incompatibilities are also addressed. Quantitative comparisons are provided in graphical and tabular forms.

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Section: Electro-and Magneto-kinetic Pump Guidelinesmentioning

confidence: 99%

Recent advances in microscale pumping technologies: a review and evaluation

Iverson

Garimella

2008

Microfluid Nanofluid

426

249

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“…The present LB simulation results are compared with other available numerical and analytical results (Duwairi and Abdullah 2007) in Table 1. The reported numerical simulation was performed by the finite difference (FD) ADI method.…”

Section: Comparison With Available Resultsmentioning

confidence: 90%

“…They investigated different flow channel geometries influenced by the micromachining process, effects of nonuniform magnetic and electric fields, Joule heating and electroosmosis in MHD micropumps based on their numerical model. Duwairi and Abdullah (2007) studied the transient fully developed laminar flow and temperature distribution in a DC MHD micropump by solving the MHD governing equations analytically through an eigen-function expansion method, and numerically by a finite-difference (FD) ADI method. In a subsequent effort, Abdullah and Duwairi (2008) studied the effect of fluctuating Lorentz force on the AC MHD micropump with the same numerical technique.…”

Section: Introductionmentioning

confidence: 99%

Lattice Boltzmann simulation of thermofluidic transport phenomena in a DC magnetohydrodynamic (MHD) micropump

Chatterjee¹,

Amiroudine²

2010

Biomed Microdevices

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A comprehensive non-isothermal Lattice Boltzmann (LB) algorithm is proposed in this article to simulate the thermofluidic transport phenomena encountered in a direct-current (DC) magnetohydrodynamic (MHD) micropump. Inside the pump, an electrically conducting fluid is transported through the microchannel by the action of an electromagnetic Lorentz force evolved out as a consequence of the interaction between applied electric and magnetic fields. The fluid flow and thermal characteristics of the MHD micropump depend on several factors such as the channel geometry, electromagnetic field strength and electrical property of the conducting fluid. An involved analysis is carried out following the LB technique to understand the significant influences of the aforementioned controlling parameters on the overall transport phenomena. In the LB framework, the hydrodynamics is simulated by a distribution function, which obeys a single scalar kinetic equation associated with an externally imposed electromagnetic force field. The thermal history is monitored by a separate temperature distribution function through another scalar kinetic equation incorporating the Joule heating effect. Agreement with analytical, experimental and other available numerical results is found to be quantitative.

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“…A new study of (MHD) flow is presented by Duwairi and Abdullah (2007). They studied theoretically the transient fully developed laminar flow and temperature distribution in (MHD) micropump.…”

Section: List Of Symbolsmentioning

confidence: 99%

Thermal and flow analysis of two-dimensional fully developed flow in an AC magneto-hydrodynamic micropump

Abdullah

Duwairi

2008

Microsyst Technol

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The effect of fluctuating Lorentz force on the Ac magnetohydrodynamic micropump is studied. A twodimensional transient fully developed laminar flow and temperature distribution are modeled. The governing Navier-Stokes and energy equations are solved numerically by a finite-difference (ADI) method. The effect of different parameters on the transient and steady flow velocity and temperature, such as aspect ratio, Hartman number, Prandtl number, and Eckert number is studied. The results obtained showed that controlling the flow and the temperature can be achieved by controlling the potential difference, the magnetic flux, and by a good choice of the electrical conductivity. The effect of Stanton number and phase angle is also included, and it is found that at high frequency, the pulsed volume is small which yield a continuous flow instead of pulsating flow, and the magnitude and direction of the flow can be controlled by the phase shift between the electrical and magnetic fields. List of symbolsB magnetic flux density (T) C p specific heat (kJ/kg K) E electric field intensity (V/m) Ec Eckert number, Ec ¼ u 2 0 C p T w h height of micro-channel (m) Ha Hartman number, Ha ¼ wB ffiffiffiffiffiffiffiffi r=l p J electric current density (Amper/m 2 ) K thermal conductivity (W/m K)

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Thermal and flow analysis of a magneto-hydrodynamic micropump

Cited by 61 publications

References 12 publications

Recent advances in microscale pumping technologies: a review and evaluation

Recent advances in microscale pumping technologies: a review and evaluation

Lattice Boltzmann simulation of thermofluidic transport phenomena in a DC magnetohydrodynamic (MHD) micropump

Thermal and flow analysis of two-dimensional fully developed flow in an AC magneto-hydrodynamic micropump

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