Details
| Original language | English |
|---|---|
| Title of host publication | BHR Group - 20th International Conference on Water Jetting |
| Pages | 275-283 |
| Number of pages | 9 |
| Publication status | Published - 2010 |
| Event | 20th International Conference on Water Jetting - Graz, Austria Duration: 20 Oct 2010 → 22 Oct 2010 |
Publication series
| Name | BHR Group - 20th International Conference on Water Jetting |
|---|
Abstract
One of the disadvantages of pure water jet cutting or ablation is the relatively limited erosive capacity resp. cutting depth in harder materials (metals, ceramics, tougher plastics and so forth). The usual way to handle this is to add abrasive sand to the jet, resulting in a highly increased cutting performance. However, abrasives are not always desirable, f. e. when contamination with dusts has to be avoided. In addition, the abrasive particles only reach approximately 60% of the water jet's velocity due to friction and a limited acceleration process. In order to address these issues, the authors have designed a process implementing ice particles as abrasive material. In order to achieve higher velocities using lower pressure levels, the process is based on an in-situ phase shift of the water jet immediately after having left the nozzle, which is obtained by precooling the water at 200 MPa down to -20 °C by means of a high pressure thermal exchanger. The following text describes the current state-of-the-art, the proposed experimental setup, some preliminary performance analyses and prospects of further research.
ASJC Scopus subject areas
- Environmental Science(all)
- Water Science and Technology
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BHR Group - 20th International Conference on Water Jetting. 2010. p. 275-283 (BHR Group - 20th International Conference on Water Jetting).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - In-process generation of water ice particles for cutting and cleaning purposes
AU - Bach, F. W.
AU - Hassel, T.
AU - Biskup, C.
AU - Hinte, N.
AU - Schenk, A.
AU - Pude, F.
PY - 2010
Y1 - 2010
N2 - One of the disadvantages of pure water jet cutting or ablation is the relatively limited erosive capacity resp. cutting depth in harder materials (metals, ceramics, tougher plastics and so forth). The usual way to handle this is to add abrasive sand to the jet, resulting in a highly increased cutting performance. However, abrasives are not always desirable, f. e. when contamination with dusts has to be avoided. In addition, the abrasive particles only reach approximately 60% of the water jet's velocity due to friction and a limited acceleration process. In order to address these issues, the authors have designed a process implementing ice particles as abrasive material. In order to achieve higher velocities using lower pressure levels, the process is based on an in-situ phase shift of the water jet immediately after having left the nozzle, which is obtained by precooling the water at 200 MPa down to -20 °C by means of a high pressure thermal exchanger. The following text describes the current state-of-the-art, the proposed experimental setup, some preliminary performance analyses and prospects of further research.
AB - One of the disadvantages of pure water jet cutting or ablation is the relatively limited erosive capacity resp. cutting depth in harder materials (metals, ceramics, tougher plastics and so forth). The usual way to handle this is to add abrasive sand to the jet, resulting in a highly increased cutting performance. However, abrasives are not always desirable, f. e. when contamination with dusts has to be avoided. In addition, the abrasive particles only reach approximately 60% of the water jet's velocity due to friction and a limited acceleration process. In order to address these issues, the authors have designed a process implementing ice particles as abrasive material. In order to achieve higher velocities using lower pressure levels, the process is based on an in-situ phase shift of the water jet immediately after having left the nozzle, which is obtained by precooling the water at 200 MPa down to -20 °C by means of a high pressure thermal exchanger. The following text describes the current state-of-the-art, the proposed experimental setup, some preliminary performance analyses and prospects of further research.
UR - http://www.scopus.com/inward/record.url?scp=80051699655&partnerID=8YFLogxK
U2 - 10.3929/ethz-a-006211782
DO - 10.3929/ethz-a-006211782
M3 - Conference contribution
AN - SCOPUS:80051699655
SN - 9781855981218
T3 - BHR Group - 20th International Conference on Water Jetting
SP - 275
EP - 283
BT - BHR Group - 20th International Conference on Water Jetting
T2 - 20th International Conference on Water Jetting
Y2 - 20 October 2010 through 22 October 2010
ER -