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1 1 FANS & BLOWERS

2 2 VIRTUAL PROTOTYPE DESIGN PROTOTYPE TEST

3 INNOVATIVE RANGE HOOD BLOWER 3 TARGETS: COSTS REDUCTION (vs actual) ON BLOWER SIDE part codes, raw materials, prod. cycle times ON RANGE HOOD SIDE In-hood montage; service&maintenance PERFORMANCES (same or better vs benchmark) AIRFLOW NOISE OVERALL DIMENSIONS

4 CONCEPT 4 STATE OF THE ART EVOLUTION ISSUES STRUCTURAL STABILITY: (Drop test ) THERMAL STABILITY: (Above gas hobs )

5 DESIGN OF WET SURFACES WITH CFD 5

6 DESIGN OF TECHNICAL SURFACES 6

7 FEM ANALISYS OF MECHANICAL PARTS Actual VS New Product 7

8 OPTIMIZATION WITH FEM DISPL. [mm] OPTIMIZATION DISPLACEMENT REDUCTION SOLUTION

9 FINAL PRODUCT 9

10 COMPACT BLOWER 10 (GAS PREMIX SYSTEM) TARGET: REDUCE OVERALL DIMENSIONS (vs actual) MAINTAIN PERFORMANCES GAS MIXING AIRFLOW PRESSURE NOISE

11 FLUID-DYNAMIC DESIGN WITH CFD, STARTING FROM ACTUAL PRODUCT 11

12 VOLUTE OPTIMIZATION 12 VELOCITY VECTORS STREAMLINES PRESSURE CONTOURS

13 IMPELLER OPTIMIZATION 13

14 FINAL PRODUCT 14

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