| Title: |
Emissivity Measurement Rig |
| Category: |
Industry |
| Intellectual Property: |
Student team negotiates Memorandum of Understanding with business |
| Year: |
2009 |
| Semester: |
Fall |
| Sponsor Name: |
Honeywell Aerospace |
| Sponsoring advisors: |
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| Sponsor URL: |
http://jeff.howe@honeywell.com |
| Sponsor Information: |
Honeywell Aerospace is a sector of Honeywell Inc, a Fortune 100 company of multi-industry nature. The sponsor division manufactures gas turbine engines for aircraft propulsion and auxiliary power units. The specific group which will interact with the team is Advanced Technology, which is responsible for advancing the state of the art in turbine components and demonstrator engines. |
| Sponsor funding note: |
Only 1 of the 3 projects submitted by this sponsor will be allowed to be populated. |
| ITAR Restriction: |
No |
| Scope of work: |
Problem: Modern gas turbines operate with metal temperatures in the hot-end approaching 2000 F and with skin temperatures ~1100 F. As a result, radiation heat transfer is 1) a significant mechanism of engine power loss via radiation from the skin to the aircraft nacelle, 2) is a source of heat load to components which have visibility to the engine (see attachment) and 3) is important in predicting metal temperatures of components within the engine. Most of the aerospace materials used for gas turbines do not have adequate data bases of emissivity and absorptivity to allow proper calculation of component temperatures and energy exchange. There is a need for a measurement device or rig which will rapidly measure any material’s emissivity and absorptivity to be used in generating a design data base.
Scope: Design, build, and test validate a rig to measure emissivity and preferably absorptivity. Include data reduction. The rig should accept flat material specimens, heat the specimen to some temperature and control it within an acceptable tolerance, acquire measurements needed to evaluate emissivity and preferably absorptivity, record data and reduce accumulated data to plots of emissivity vs surface temperature for that specimen. This rig will be used in a follow program to generate data bases and explore the effects of surface treatments on radiation properties. Eventually the rig should be able to operate at specimen temperatures of ambient to 2000 F. For this project, maximum temperature capability may be limited to 500 F to contain cost and complexity as long as the modifications required to upgrade to the full 2000 F capability are detailed for later use. Since the rig will be used in extensive data set generation, care should be given to minimizing set up and test time and to ease of use. User safety is a key concern. Tolerance goals: Temperature control within 30 F of target value, emissivity measurement within 20% for e=0.1 to 5% for e=1.0. |
| Project summary: |
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| Disciplines: |
Electrical Engineering (1)
Materials Science & Engineering (1)
Mechanical Engineering (2)
Optical Sciences and Engineering (1) |
| Skills: |
Heat transfer class
Temperature measurement methods |
| Additional resources: |
Honeywell consulting as needed. |
| Key Contact Name: |
Jeff Howe |
| Key Contact Email: |
jeff.howe@honeywell.com |
| Key Contact Phone: |
602-231-2955 |
| Project URL: |
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| Mentor Name: |
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| Mentor Email: |
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| Mentor Phone: |
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