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Production, Transportation, Placement and Compaction Equipment Advances for Enhanced HMA Quality

Production, Transportation, Placement and Compaction Equipment Advances for Enhanced HMA Quality. CUPGA 2009 Dennis Hunt, Gencor Industries, Inc. Production Storage Transportation Placement Compaction. Control of Temperature. CUPGA 2009 Dennis Hunt, Gencor Industries, Inc. Flue Gasses.

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Production, Transportation, Placement and Compaction Equipment Advances for Enhanced HMA Quality

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  1. Production, Transportation, Placement and Compaction Equipment Advances for Enhanced HMA Quality CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  2. Production • Storage • Transportation • Placement • Compaction Control of Temperature CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  3. Flue Gasses High CO but Low NOx Low CO but High NOx CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  4. Burner Technology Linkage Drive motors CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  5. Flue Gas Characterization CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  6. Production Temperature CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  7. CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  8. Production Temperature CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  9. CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  10. Silo Storage • Decreased Oxidation • 163oC • 127oC CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  11. Temperature Transfer • Heat transfer is thermal energy in transit due to a spatial temperature difference • The greater the difference in temperature between an object and its surroundings the greater the heat transfer rate will be. • Newton’s Law of Cooling • The law states that the rate of change of the temperature of an object is proportional to the difference between its initial temperature T0 and the ambient temperature Ta at time t. CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  12. Transportation ΔT CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  13. Temperature Trial • Denver, Co – 2/19/2009 • 200 tons surface mix • 20% RAP • Ambient temperature 6oC • 105oC behind screed • Pavement density 94.6% CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  14. CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  15. CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  16. Compaction Intelligent Compaction CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  17. Better Temperature Control CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

  18. Thank you CUPGA 2009 Dennis Hunt, Gencor Industries, Inc.

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