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Design Example: Flow of Oil Through Circular Pipes

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Related Experiment Video

Updated: May 20, 2025

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

Published on: November 14, 2015

A Hollow Shell-Lattice Soft Robot in Flexible Pipelines with Flowing Fluids.

Di Guo¹, Yiqiang Wang¹, Zhan Kang¹

¹State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, Dalian University of Technology, Dalian, 116024, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|March 27, 2025

Summary

A novel hollow soft robot navigates pipes with fluid flow, ensuring operational continuity. This earthworm-like robot performs inspection and maintenance tasks without obstructing pipelines.

Keywords:

flowing fluids hollow body lattice shells pipeline inspection soft robots

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Last Updated: May 20, 2025

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

Published on: November 14, 2015

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Published on: August 17, 2018

Bioinspired Soft Robot with Incorporated Microelectrodes

Bioinspired Soft Robot with Incorporated Microelectrodes

Published on: February 28, 2020

Area of Science:

Robotics
Mechanical Engineering
Materials Science

Background:

Existing pipeline robots obstruct fluid flow, hindering system operation.
Need for non-disruptive robots for inspection and maintenance in operational pipelines.

Purpose of the Study:

Design an innovative soft robot for pipe crawling with unimpeded fluid flow.
Develop a robot capable of inspection and maintenance tasks in diverse pipe conditions.

Main Methods:

Designed a hollow shell-lattice soft robot with a central pneumatic actuator.
Implemented earthworm-like locomotion via radial deformations of lattice shells.
Utilized surface-to-surface contact for enhanced load-carrying capacity.

Main Results:

The robot crawls in pipes with fluid flow, maintaining unimpeded passage.
Achieved earthworm-like locomotion adaptable to various pipe types (friction, shape, curvature).
Demonstrated capability for untethered operation and transport of inspection devices.

Conclusions:

The hollow soft robot offers a non-disruptive solution for pipeline inspection and maintenance.
Potential applications in healthcare, aviation, and oil/gas transportation.
Future work may enhance scalability and applicability through advanced materials and fabrication.