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A. Bychenko, V. Rotar, O. Kulitsa, Y. Kotsar, A. Hryb. Foaming agent consumption when using protek foam nozzles for barrels. Р. 227-248.

Foaming agent consumption when using protek foam nozzles for barrels.

 

Bychenko Artem

National University of Civil Protection of Ukraine

https://orcid.org/0000-0003-3788-3268

 

Rotar Vasyl

National University of Civil Protection of Ukraine

https://orcid.org/0000-0001-5752-5762

 

Kulitsa Oleh

National University of Civil Protection of Ukraine

https://orcid.org/0000-0003-2589-6520

 

Pustovit Mykhailo

National University of Civil Protection of Ukraine

http://orcid.org/0000-0001-5313-1459

 

Kotsar Yevheniy

National University of Civil Protection of Ukraine

http://orcid.org/0009-0000-3321-1646

 

Hryb Andrii

Emergency Service of Ukraine in the Mykolaiv region

http://orcid.org/0009-0000-7910-5283

 

DOI: https://doi.org/10.52363/2524-0226-2025-42-15

 

Keywords: air-mechanical foam, low and medium-expansion foam, Protek fire hoses

 

Аnnotation

 

In conditions of military aggression and increased fire danger at critical industrial facilities, the effective use of air-mechanical foam is of paramount importance. The introduction of combined fire barrels has changed approaches to foam formation, but the technical characteristics, in particular the consumption of foaming agent through the accompanying foam nozzles, remained insufficiently studied. The purpose of the study was to determine the actual consumption of foaming agent and establish optimal operating modes of low and medium-multiplicity foam nozzles used with combined manual and carriage barrels Protek and stationary foam mixers, which are in service with the State Emergency Service of Ukraine. During the study, an analysis of foam nozzles was carried out and the actual consumption of foaming agent when forming air-mechanical foam was determined, which allowed establishing optimal operating modes of Protek equipment. The Protek 360 barrel (with nozzles 210, 211, 225) is not advisable to use with stationary foam mixers due to significant overconsumption of foaming agent (about 66 %) even at maximum flow rate. The Protek 366 barrel (with nozzles 212, 213, 226) is optimal only at the third solution flow rate mode (6 l/s). In other modes, an overconsumption of at least 30 % was recorded. The Protek 600-1 gun carriage barrel (with nozzle 822 and foam nozzle 221) is optimal at the last three solution flow rates (15.8, 22 and 32 l/s). To ensure the maximum flow rate (32 l/s), it is necessary to use a stationary foam mixer. The results obtained have direct practical significance for increasing the efficiency of fire extinguishing. They allow you to minimize unjustified overconsumption of foaming agent and guarantee the use of equipment in modes that ensure the formation of foam with optimal fire-extinguishing characteristics.

 

References

 

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  5. 210 – foam aeration tube – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.

com.tw/handline-nozzles/foam-aeration-tubes/240-210

  1. 211 – foam aeration tube – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/handline-nozzles/foam-aeration-tubes/242-211
  2. 212 – foam aeration tube – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.

com.tw/handline-nozzles/foam-aeration-tubes/243-212

  1. 213 – foam aeration tube – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.

com.tw/handline-nozzles/foam-aeration-tubes/245-213

  1. 221 – monitor foam aeration tube – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.

protekfire.com.tw/handline-nozzles/foam-aeration-tubes/253-221

  1. 225 – medium expansion foam aeration tube – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/handline-nozzles/foam-aeration-tubes/254-225
  2. 226 – medium expansion foam aeration tube – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/handline-nozzles/foam-aeration-tubes/255-226
  3. 360 – 1" selectable gallonage nozzle with pistol grip – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/handline-nozzles/selectable-gallonage-nozzles/66-360
  4. 366 – 1-1/2" selectable gallonage nozzle with pistol grip – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/handline-nozzles/selectable-gallonage-nozzles/68-366
  5. 368-TO – high-range selectable gallonage nozzle tip only – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/handline-nozzles/selectable-gallonage-nozzles/106-368-to
  6. 600-1 – single-inlet portable ground monitor – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/monitors/portable-ground-monitors/75-600-1
  7. 600-2 – dual-inlet portable ground monitor – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/monitors/portable-ground-monitors/307-600-2
  8. 822 – adjustable flow monitor nozzle – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.

protekfire.com.tw/monitor-nozzles/adjust-flow-baffle-monitor-nozzles/270-822

24.       887 – self-educting monitor nozzle – protek manufacturing corp. Handline Nozzles, Monitor Nozzles – Protek Manufacturing Corp. Available at: https://www.protekfire.com.tw/foam-equipment/self-educting-nozzles/371-887