Airflow Analysis for Constellation Air Knife Jet Jason

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Airflow Analysis for Constellation Air Knife Jet Jason Zbick EDS Fuqian Yang Xerox September

Airflow Analysis for Constellation Air Knife Jet Jason Zbick EDS Fuqian Yang Xerox September 2000

Bio Name: Jason Zbick Organization: EDS Education (Degree/College): Embry-Riddle Aeronautical Univ. B. S. Aerospace

Bio Name: Jason Zbick Organization: EDS Education (Degree/College): Embry-Riddle Aeronautical Univ. B. S. Aerospace Engineering Area of Expertise: Structural Analysis, FEM, Fatigue Years of Experience: 5 Area of Focus: CAE Support & Analysis

Outline • Introduction • Analysis – Finite Element Modeling – CFD Analysis – Results

Outline • Introduction • Analysis – Finite Element Modeling – CFD Analysis – Results • Summary – Future Work – Conclusions

Introduction Fuser Roller Air Knife Jet Paper Pressure Roller

Introduction Fuser Roller Air Knife Jet Paper Pressure Roller

Purpose of the Analysis • Determine the force profile on the leading edge of

Purpose of the Analysis • Determine the force profile on the leading edge of the paper. Fuser Roller Air Knife Jet Paper • The force on the paper is dependent on the flow. • We can control the flow by the position of the air knife What is the optimal position of the jet?

Method of Analysis • Meshing : Ideas, PATRAN • Solver: FLUENT Airflow Inlet Paper

Method of Analysis • Meshing : Ideas, PATRAN • Solver: FLUENT Airflow Inlet Paper Lead Edge Paper

Boundary Conditions • Turbulent Flow Model • Stationary Rollers • Total Flow through the

Boundary Conditions • Turbulent Flow Model • Stationary Rollers • Total Flow through the Air Knife Jets

Variables • Radial Position of Air Knife Jet • Angle of Air Knife Jet

Variables • Radial Position of Air Knife Jet • Angle of Air Knife Jet • Gap Distance between Fuser Roller and Air Knife Jet

Radial Position of Air Knife Jet q

Radial Position of Air Knife Jet q

Angle of Air Knife Jet +5° -5° Pressure Contour

Angle of Air Knife Jet +5° -5° Pressure Contour

Paper Position • For each Air Knife position, we vary the position of the

Paper Position • For each Air Knife position, we vary the position of the paper lead edge. 39 12 Pressure Contour

Results

Results

Results

Results

Future Work • 3 d Model - validation of 2 d analysis

Future Work • 3 d Model - validation of 2 d analysis

Future Work • Variation of paper lead edge bleed Fuser Roller Paper Lead Edge

Future Work • Variation of paper lead edge bleed Fuser Roller Paper Lead Edge Bleed varies from 0. 0 mm to 4. 0 mm Paper

Lead Edge Bleed

Lead Edge Bleed

Conclusions • Position of Air Knife Jet – What is the optimal position? •

Conclusions • Position of Air Knife Jet – What is the optimal position? • Computational Fluid Dynamics using Fluent • Future Work – 3 d model – Lead Edge Bleed

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