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Christie Digital Systems Inc. (Christie) has established a global reputation as the world’s single source manufacturer of a variety of display technologies and solutions for cinema, large audience environments, business presentations, simulation, 3D and virtual reality. The company has a wide global presence that includes manufacturing facilities in Kitchener, Ontario, Canada. The company needed to develop a 450 W projector which uses the same major components as an existing 350 W projector, without overheating the components. This required exploring ways to prevent temperature sensitive parts from overheating under the new power. One of the parts which has overheated in the new projector, is a hollow pipe made of glass, with a reflective coating on the inner surface. The reflective coating has a specified maximum operating temperature of 200 °C. Figure 1shows the hollow pipe’s approximate location in the projector.
Jesse A. Dyck, a co-op student from the University of Waterloo, was asked to investigate alternative components to replace this component.
This case study is intended for use in Mechanical Engineering and System Design courses covering topics such as thermodynamics and heat transfer. The main expected learning outcome is to generate a need assessment and develop analytical model for the heat sink design. This case could also be used to analyze and compare features and characteristics of the difference metal heat sink design and apply FEA tools to validate that.
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Contact Waterloo Cases in Design Engineering
Steve Lambert
Tel: (519) 888-4728
Email: steve@uwaterloo.ca
The University of Waterloo acknowledges that much of our work takes place on the traditional territory of the Neutral, Anishinaabeg, and Haudenosaunee peoples. Our main campus is situated on the Haldimand Tract, the land granted to the Six Nations that includes six miles on each side of the Grand River. Our active work toward reconciliation takes place across our campuses through research, learning, teaching, and community building, and is co-ordinated within the Office of Indigenous Relations.