Application of the pulsating and continous water jet for granite erosion

0519244 - ÚGN 2020 RIV GB eng J - Článek v odborném periodiku
Tripathi, R. - Hloch, Sergej - Chattopadhyaya, S. - Klichová, Dagmar - Ščučka, Jiří - Das, A. K.
Application of the pulsating and continous water jet for granite erosion.
International Journal of Rock Mechanics and Mining Sciences. Roč. 126, February 2020 (2020), č. článku 104209. ISSN 1365-1609. E-ISSN 1873-4545
Grant CEP: GA MŠMT(CZ) LO1406
Institucionální podpora: RVO:68145535
Klíčová slova: pulsating water jet * rock erosion * volume of removed area * non-abrasive water jet
Obor OECD: Mechanical engineering
Impakt faktor: 7.135, rok: 2020
Způsob publikování: Omezený přístup
https://reader.elsevier.com/reader/sd/pii/S136516091830964X?token=5F86B7700B871E6E18E270F9B51A30F9F4E34283063D600F15863D5A72ACBD81163ACF0A8EB005DB8A3954200AED57B9

This research article aims at comparing the erosion performance of continuous and ultrasonically generated pulsating water jet technologies on granite samples at three pressure levels of 20 MPa, 40 MPa and 60 MPa. The granite surface was eroded using the circular nozzle of diameter d ¼1.9 mm with the variation of traverse speed at each pressure levels. The depth, width and volume erosion of the grooves generated by both the technologies were evaluated using surface profilometer. It was evident from the results, that the variations in the process parameters show the influential behaviour on the erosion performance of granite by pulsating water jet in comparison to the continuous water jet. The optical microscopy and scanning electron microscopy (SEM) of the generated grooves were analysed to observe the surface morphology and plastic deformation phenomenon during the erosion of the granite samples. The above study shows that the pulsating water jet technology is the preferable approach over continuous water jet that can be utilised for different manufacturing applications. Also, the technology is economically more beneficial than the presently used cleaner technologies (non-abrasive and abrasive) as it reduces the extra cost invested in high-pressure pumps.
Trvalý link: http://hdl.handle.net/11104/0304260