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Influence of Nozzle Orifice Geometry and Fuel Properties on Flow and Cavitation Characteristics of a Diesel Injector
| Content Provider | Semantic Scholar |
|---|---|
| Author | Longman, Douglas E. Ramirez, Anita I. Aggarwal, Suresh Kumar |
| Copyright Year | 2017 |
| Abstract | Cavitation refers to the formation of bubbles in a liquid flow leading to a two-phase mixture of liquid and vapor/gas, when the local pressure drops below the vapor pressure of the fluid. Fundamentally, the liquid to vapor transition can occur by heating the fluid at a constant pressure, known as boiling, or by decreasing the pressure at a constant temperature, which is known as cavitation. Since vapor density is at least two orders of magnitude smaller than that of liquid, the phase transition is assumed to be an isothermal process. Modern diesel engines are designed to operate at elevated injection pressures corresponding to high injection velocities. The rapid acceleration of fluid in spray nozzles often leads to flow separation and pockets of low static pressure, prompting cavitation. Therefore, in a diesel injector nozzle, high pressure gradients and shear stresses can lead to cavitation, or the formation of bubbles. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://cdn.intechopen.com/pdfs-wm/35632.pdf |
| Alternate Webpage(s) | https://cdn.intechopen.com/pdfs-wm/35632.pdf |
| Alternate Webpage(s) | https://api.intechopen.com/chapter/pdf-download/35632 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Anatomical orifice Assumed Cavitation Diesel Gradient Heating Nozzle Device Component Phase Transition Small Two-phase commit protocol orders - HL7PublishingDomain vapor |
| Content Type | Text |
| Resource Type | Article |
