### Abstract

If we employ a magnetic fluid as a working fluid, several advantages are expected in electrical control of a hydraulic system. Magnetic fluid is a homogeneous magnetic material just like a solid metal, but it retains its fluid characteristics even under a strong meagnetic field or gravity. Therefore, a flow direction, a velocity and an apparent viscosity of this fluid can easily be controlled by a magnetic force. Our final aim was to establish a new hydraulic control system using a magnetic fluid as a working fluid. First, we examined the relationship between a magnetic force and a deflection angle of a free jet of a magnetic fluid to know the fundamental characteristics of a magnetic fluid in fluidics. The theoretical equation developed, was confirmed by the experimental results. Using Ferricolloid DEA-40, magnitude of the body force increased in proportion to the 1. 726 power of a magnetic field intensity. Furthermore, a deflection angle of a jet was inversely proportional to the square of the velocity of a jet.

Original language | English |
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Pages (from-to) | 65-83 |

Number of pages | 19 |

Journal | Journal of Fluid Control |

Volume | 16 |

Issue number | 1 |

Publication status | Published - 1985 Dec 1 |

### ASJC Scopus subject areas

- Engineering(all)

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## Cite this

*Journal of Fluid Control*,

*16*(1), 65-83.