Search - Науковий вісник НГУ

1. Integrated water resources monitoring system within the structure of environmental safety in southern Ukraine: (Content №3 2024); ... Operating modes of the cavitation unit for surface water recovery were established. The directions of development of the water basin in the context of global warming and the anthropogenic load of cities ...; Created on 28 June 2024
2. Designing the functional surfaces of camshaft cams of internal combustion engines: (Content №3 2024); ... Manufacturing Science and Technology, 32, 287-298. 5. Gao, G. Y., Zhang, Z., Cai, C., Zhang, J. L., & Nie, B. H. (2019). Cavitation Damage Prediction of Stainless Steels Using an Artificial Neural ...; Created on 28 June 2024
3. Drilling wells taking into account the dynamic properties of rocks: (Content №2 2024); ... is possible by installing the cavitation hydraulic vibrator in the drill string in front of the rock-cutting tool. Purpose. Evaluation of resonant modes (frequencies of oscillations) for the dynamic ...; Created on 01 May 2024
4. The choice of optimal methods for the development of water wells in the conditions of the Tonirekshin field (Kazakhstan): (Content №1 2024); ... Yakimechko, Y. Ya., & Fedyk, O. M. (2021). Practical use of cavitation processes in well drilling: monograph. ISBN 978-617-8003-12-8. 9. Kahuda, D., & Pech, P. (2020). A New Method for the Evaluation ...; Created on 29 February 2024
5. Energy efficient technologies for the mining industry: (Content №6 2022); ... full article Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2022, (6): 011 - 017 https://doi.org/10.33271/nvngu/2022-6/011 Abstract: The cavitation generator of fluid pressure oscillations ...; Created on 25 December 2022
6. Spatial control over ultrasonic cleaning of mining equipment using a phased array technology: (Content №2 2022); ... cavitation remove dental bacterial biofilm? Ultrasonics Sonochemistry, 67, 10112. https://doi.org/10.1016/j.ultsonch.2020.105112. 6. Xu, H., Tu, J., Niu, F., & Yang, P. (2016). Cavitation dose in an ...; Created on 30 April 2022
7. Analytical and experimental assessment of screw centrifugal pump at improving its design: (Content №4 2021); ... of screw centrifugal type pump at a design stage, which permits defining more precisely its power and cavitation characteristics. Methodology. To achieve the above-mentioned purpose, the technique ...; Created on 23 August 2021
8. Compound physical and mechanical effects stimulating metastable diamond formation: (Content №4 2021); ... of the Popigai astrobleme: monograph. Saint Petersburg: VSEGEI. 44. Galimov, E.M. (1973). Cavitation as a mechanism for the diamond origin. Izvestiya AN SSSR. Seriya geologicheskaya, (1), 22-37. 45. Galimov, ...; Created on 23 August 2021
9. Evaluation of ultrasonic cleaning process: (Content №3 2021); ... simulation References. 1. Xu, H., Tu, J., Niu, F., & Yang, P. (2016). Cavitation dose in an ultrasonic cleaner and its dependence on experimental parameters. Applied Acoustics, 101, 179184. https://doi.org/10.1016/j.apacoust.2015.08.020. ...; Created on 23 June 2021
10. Evaluation of hydraulic power of drilling string with a cavitation hydrovibrator: (Content №3 2021); ... accelerations and hydraulic vibrational power in the section of the rock cutting tool on the criterion parameter of cavitation . Originality. Taking into account the influence of the string elements vibration ...; Created on 23 June 2021
11. Investigation on the process of injection of commercial grade and blended fuel in a diesel engine: (Content №2 2021); ... principles in order to ensure high ICE economic and ecological performance. Keywords: diesel engine, injector nozzle, fuel flow, cavitation, combustion chamber, environmental indicators References. 1.Levterov, ...; Created on 29 April 2021
12. Recirculation power in the balance of hydraulic losses of centrifugal pump: (Contens №5 2020); ... Spiridonov, E. K. (2015). Characteristics and calculation of cavitation mixers. Procedia Engineering, 129, 446-450. https://doi.org/10.1016/j.proeng.2015.12.148. 5. Rotodynamic pumps. Hydraulic performance ...; Created on 30 October 2020
13. Results of testing and modelling the “drilling rig with hydraulic vibrator ‒ rock” system: (Content №1 2020); ... текст / full article Abstract: A promising device that increases the efficiency of drilling wells in hard and super hard rocks is a drilling rig with a cavitation hydraulic vibrator. Inside ...; Created on 10 March 2020
14. Developing a technology for treating blue-green algae biomass using vibro-resonance cavitators: (Contens №6 2019); ... with cavitation vibro-resonance treatment. The primary tasks of the research included: - improvement of a design of an electromagnetic vibro-resonance cavitator so that it can be used for homogenisation ...; Created on 23 December 2019
15. Study of the stress state of the downhole jet pump housing: (Geotechnical and mining mechanical engineering, machine building); ... established that the most difficult conditions of ejector pump body operation appear during its exploitation in a cavitation mode. Combined analysis of hydrodynamic cavitation occurrence condition and ...; Created on 17 November 2017
16. The optimal control of dynamic loads in a pump complex with adjustable pipeline valves: (Geotechnical and mining mechanical engineering, machine building); ... Kaelbel, T., Alligne, S., Ruchonnet, N., Allenbach, P., Bergant, A. and Avellan F., 2011. Simulation of Water Hammer Induced Column Separation through Electrical Analogy. Proceedings of Cavitation and ...; Created on 04 August 2016
17. Numerical studies on the effect of impeller outlet width on characteristic curve slope of the centrifugal impeller: (Geotechnical and mining mechanical engineering, machine building); ... Jun Matsui, and Takaya Kitahora, 1998. Performances of centrifugal pumps of very low specific speed. In: Hydraulic machinery and cavitation: proceedings of the XIX IAHR Symposium: section on Hydraulic ...; Created on 04 August 2016
18. Analysis of the ways of increase of borehole pump axial stages effectiveness: (Geotechnical and mining mechanical engineering, machine building); ... Kaplun, I. (2011), “Investigation of small-sized axial-flow stage of a borehole pump for water supply”, Proc. of the 4th International Meeting on Cavitation and Dynamic Problems in Hydraulic Machinery ...; Created on 11 May 2014
19. Research of the dynamic characteristics of the device for hydro pulse action on coal layer: (Mining); ... cavitation generator of fluid pressure elastic oscillations (KG) and their comparative analysis. Methodology. The study was based on experimentally obtained dependencies of frequency and size of fluid ...; Created on 17 October 2013
20. Energy approach to analysys of the fluid pulse injection into a coal bed: (Mining); ... hydro pulse action on coal layers using the cavitation generator of fluid pressure elastic vibrations. The results of mining experimental work aimed at the evaluation of the efficiency of the submersible ...; Created on 10 July 2013

Start
Prev
1
2
Next
End

Науковий вісник НГУ

Archive

Most read

NEW ON THE SITE

Visitors

Guest Book

Registration data

Contacts