Module 4 - Pressure Hulls and Canisters

Goal:

The goal of this module is to introduce students to various computer aided design tools that can be used in the development of ROV systems.

Objectives

Upon completion of this module, the student should be able to:

1. Design a simple cylindrical electronics housing
2. Build housing penetrations for wiring
3. Discuss methods of removing heat from the housing
4. Calculate the buoyancy provided by the housing.

Sections:

1. Electronics Housings
   1. Safety Considerations
   2. Configurations
   3. Sealing Methods
   4. O-Ring Design tools
   5. Heat Transfer
   6. Buoyancy Considerations
2. Connector Sealing Methods
   1. Anatomy of a sealed connector
   2. Migration of water through Insulation
   3. Construction Methods

Reference:

UR-Chapter 5

Lecture Presentation:

phet buoyancy

Handouts:

Building a cylinder in SolidWorks

Building an end cap in SolidWorks (Part 1)

Building an end cap in SolidWorks (Part 2)

Assembling in SolidWorks

SolidWorks Simulation

SeaCon bulkhead connector

Install Under Pressure Design Software

Under Pressure Design Notes

Buoyancy Calculation

Waterproofing a Canister PPT

Waterproofing a Canister .doc

Tools Required:

Materials Required:

More Advanced Ideas:

Additional Links:

• DeepSea Power and Light Under Pressure Manual
• Underwater Housing Design
• Design Considerations
• Parker O-Ring Design Handbook 5700
• Efunda O-Ring Information
• Efunda Heat Transfer
• Capolight Heat Transfer Discussion
• Kemlon Connector Technial Information
• Subconn Electrical Penetrators
• Homebuilt ROVs

Knowledge Quiz:

Buoyancy Ranking Exercises