Week 5

Team 4 – Linkabit Noise Reduction

Week 5 Status Update

Overview of Status of Analysis, Design, Fabrication, Tests, etc.

• • Preparing for testing

Accomplishments from Previous Week

• • Partial fabrication of turbine mount

  • Continuing to fabricate component dividers

  • Ordered SPL meter (expecting delivery this week)

Goals for Next Week (list names after each item). Use specific and measurable objectives.

• • Finish component dividers (Pawel/Brian)

  • Successfully start turbine(All)

  • Finish machining blocks and turbine mount

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments

• • Teleconference this week

Instructor Comments from Last Meeting and Actions Taken to Address these Comments

• • Comment: Summarize articles, scan appropriate pages (1/30)

    • Action: Jet noise articles scanned and uploaded to website

  • Comment: Search for papers referencing V8 Law (1/30)

  • Action: Uploaded Lighthill article regarding V8 Law to website

  • Comment: Find mechanical limit on jet due to back pressure (1/30)

  • Action: Pending call to JetCat

Risks and Areas of Concern

• • Turbine Operation

  • Breakout Noise

  • Cycle Fatigue (Fatigue life) – low risk

  • Analysis of stress on bolts

  • back pressure limitations

Schedule

• • Get turbine running (this week)

  • Determine noise signature ASAP (next week)

Budget (list amount spent and amount remaining)

• • $40 – bolts, washers, nuts

  • $3521 Remaining