Abstract
A pump with capability of conveyance high-viscosity fluids and solid-liquid mixtures is required in accident and disasters such as flood and landslide, and in various industrial including petrochemical plant and sewage treatment plants. Turbine-type pumps and piston-type pump are often used to transport high-viscosity fluids and solid様iquid mixture fluids. However, these types of pumps have disadvantages. Turbine-type pumps cannot exert a high discharge pressure; piston-type pumps are usually considerably large, because high pressure is needed to transport large quantities of fluid. Furthermore, it can be difficult to arrange the bent pipes required by these systems because of high friction between the fluid and the pipe walls. Hence, an innovative transport system is desired. In this paper, we focus on bowel peristalsis as a model for a mechanism that can transport fluids, such as sludge with little water. We developed a peristaltic pump based on the bowel mechanism by using an artificial rubber muscle and confirmed its capabilities. In addition, we verified that the peristaltic pump transport high-viscosity fluids and solid-liquid mixtures.
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