ANTI-ICING NOZZLE PARTICLE REJECTION

The paper describes how the introduction of fixed anti-icing systems has raised issues regarding these systems relationships to other winter maintenance activities. These systems automatically dispense a de-icing agent on a targeted surface by means of specially designed anti-icing spray nozzles. These systems permit the immediate treatment of a targeted surface in either an anti-icing or de-icing mode. These systems have proven to be advantageous in addressing microclimates where black ice and frost are common or at remote or congested sites were logistical problems with trucks are encountered. These anti-icing systems find further application in areas with high winter accident rates and on structures where non-corrosive deicing agents are desired. A variety of anti-icing nozzles are available to accommodate specific structures. One of the popular anti-icing nozzle designs is the flush deck nozzle. These nozzles are positioned in the roadway such that the top surface of the nozzle assembly lies flush with the wear course. This placement is required so the nozzles may be placed anywhere on the road without becoming damaged by snow plowing operations, tires, or other surface hazards. However, because of the nozzle's positioning, particles that are encountered on a roadway, such as abrasives, can settle into the nozzle openings. This paper reports on the effectiveness of the nozzles' particle rejection of common abrasives.

• Supplemental Notes:
  • Conference Proceedings available on CD-ROM.
• Corporate Authors:

  World Road Association (PIARC)

  La Grande Arche, Paroi Nord, Niveau 5
  F-92055 La Defense Cedex,   France 
• Authors:
  • Ask, T
  • Ask, B
• Conference:
  • New Challenges for Winter Road Service. XIth International Winter Road Congress
  • Location: Sapporo, Japan
  • Date: 2002-1-28 to 2002-1-31
• Publication Date: 2002

Language

• English

Media Info

• Pagination: 11p

Subject/Index Terms

• TRT Terms: Abrasives; Anti-icing; Deicing; Nozzles; Snow and ice control; Sprayers; Winter maintenance
• Subject Areas: Highways; Maintenance and Preservation; I62: Winter Maintenance;

Filing Info

• Accession Number: 00925148
• Record Type: Publication
• Files: TRIS
• Created Date: May 9 2002 12:00AM