Guest Editors
Dr. Peng Wang, University of Petroleum, China
Dr. Weili Liu, Jiangsu University,China
Dr. Haoge Liu, Department of Geoscience and Petroleum at Norwegian University of Science and Technology, Norway
Summary
High pressure jet technology is an efficient material cleaning, removal and cutting technology, by squeezing the liquid spurted out of a specific nozzle to form a jet with high energy. As a green processing technology, it is widely used in oil drilling, ship derusting and machinery manufacturing due to its low cost, environmental friendliness, good removal effect and little influence on substrate materials. In the past few decades, the research of high pressure jet mainly focused on the characteristics of jet and the removal mechanism of conventional materials. With the expansion of its application field, new substrate materials, complex working conditions and special requirements have posed new challenges, mainly in the following aspects: the damage mechanism of jet pressure, distance, scanning speed on the new substrate materials is not clear, so it is necessary to explore the influence of different process parameters on different substrates; the current technology cannot meet the demand of parts with complex shapes or high dimensional accuracy requirements, so intelligent adaptive processing control is needed; efficient oil and gas production requires the use of jet technologies which do not pollute the reservoir, such as supercritical carbon dioxide and liquid nitrogen jets.
The present special issue focuses on the up to date theoretical and application researches of high pressure jet. High quality numerical, experimental, review and analytical researches are invited to be submitted to this issue. The most interesting subjects-but are not limited to- for this special issues are as follows:
Material damage mechanism under the action of high pressure jet and optimization of jet parameters
• Abrasive jet rock-breaking technology and its application
• Heat-fluid-solid coupling mechanism of supercritical carbon dioxide jet in rock-breaking
• Liquid nitrogen jet rock-breaking technology and its application
• New single and compound jet methods and their applications
• Development of super high pressure and large displacement pump
• Intelligent jet cleaning and cutting technologies
Keywords
High pressure jet; Damage mechanics; Novel jet; High pressure and large displacement pump; Intelligent method
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