Material transport of a magnetizable fluid by surface perturbation

Böhm, Valter; Налетова, В.А.; Popp, J.; Zeidis, Igor; Zimmermann, Klaus

doi:10.1016/j.jmmm.2015.07.036

Cited by 6 publications

(2 citation statements)

References 12 publications

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“…При комбинированном управлении потоком магнитореологической среды систему уравнений балансов расходов можно представить в виде [17][18][19][20][21][22][23][24]:…”

Section: расчеunclassified

Combined and Rotary Magnetorheological Fluid Technologies in Rheological Damping Systems

Naigert¹,

Tselischev²

2019

MEI

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An undeniable advantage of magnetorheological supports is adaptability of their stiffness properties and their real-time adjustability. Thus, it is important to research the issues of improving magnetorheological damping systems and developing simulation and calculation methods. It is noteworthy that magnetorheological systems have instable operating parameters due to heating of the magnetorheological environment in electromagnetic control fields, and change in viscosity properties of the carrier fluid. There are various ways to solve this operational problem. To avoid this negative factor, the magnetorheological environment requires an optimal thermostating. To stabilize the temperature parameters, the thermostating system should be dynamically controlled, and new constructive solutions should be implemented. The presented thermostating system has an original patented construction of a rheological thermostatic throttle with thermoelectric elements that greatly improves cooling of the working environment, and makes it possible to faster and accurately obtain the desired operating temperatures. The paper presents a methodology for calculating the stiffness properties of a magnetorheological fluid chamber that includes sub chambers with individual control electromagnets and variable dissipative-stiffness properties. We considered the ways for optimizing the distribution of dissipative-stiffness properties of subchambers, and their rational combination to develop the most advanced damping fluid systems. The described magnetorheological damping system has an original patented magnetodynamic pump that uses helical electromagnetic fields to transport the magnetorheological fluid.

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Section: расчеunclassified

Combined and Rotary Magnetorheological Fluid Technologies in Rheological Damping Systems

Naigert¹,

Tselischev²

2019

MEI

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“…9). Применение системы проточного термостатирования облегчает решение задачи автоматизации рабочего процесса магнитореологического дросселирующего устройства [23][24][25]. Управление системой проточного термостатирования организовано с помощью микроконтроллера.…”

Section: рис 7 функциональная схема тензодатчика разности давленияunclassified

The Workflow Automation System for Magnetorheological Control Device

Naigert¹,

Редников²

2016

MEI

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Measurements of periodically perturbed dewetting force fields and their consequences on the symmetry of the resulting patterns

Roumpos

Fontaine

Pfohl

et al. 2021

Sci Rep

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We studied the origin of breaking the symmetry for moving circular contact lines of dewetting polymer films suspended on a periodic array of pillars. There, dewetting force fields driving polymer flow were perturbed by elastic micro-pillars arranged in a regular square pattern. Elastic restoring forces of deformed pillars locally balance driving capillary forces and broke the circular symmetry of expanding dewetting holes. The observed envelope of the dewetting holes reflected the symmetry of the underlying pattern, even at sizes much larger than the characteristic period of the pillar array, demonstrating that periodic perturbations in a driving force field can establish a well-defined pattern of lower symmetry. For the presented system, we succeeded in squaring the circle.

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Material transport of a magnetizable fluid by surface perturbation

Cited by 6 publications

References 12 publications

Combined and Rotary Magnetorheological Fluid Technologies in Rheological Damping Systems

Combined and Rotary Magnetorheological Fluid Technologies in Rheological Damping Systems

The Workflow Automation System for Magnetorheological Control Device

Measurements of periodically perturbed dewetting force fields and their consequences on the symmetry of the resulting patterns

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