- 1. Improving the process of filling cylinders with air by modernizing the intake manifold
- (Content №6 2025)
- ... (6): 098 - 104 https://doi.org/10.33271/nvngu/2025-6/098 Abstract: Purpose. To increase the mass flow rate of air through a forced diesel engine of type 6 Ch 15/15 by modernizing ...
- Created on 25 December 2025
- 2. Well operation by plunger rod pumps in difficult conditions
- (Content №1 2025)
- ... complexity, such as high oil viscosity, high pressure, aggressive geological and physical conditions and significant fluctuations in flow rate, in order to increase the efficiency and reliability of the ...
- Created on 25 February 2025
- 3. Improved techniques for exploration of groundwater deposits for conditions of rural areas of the Mangystau Peninsula
- (Content №1 2025)
- ... with subsequent cycles with the goal of constructing wells with acceptable flow rate and mineralization. Practical value. The implementation of the developed methodology is of great practical importance ...
- Created on 25 February 2025
- 4. Enhanced oil recovery of deposits by maintaining a rational reservoir pressure
- (Content №4 2024)
- ... B. R., Yskak, A. S., & Yesimkhanova, A. K. (2023). Reducing the formation of asphaltene deposits and increasing the flow rates of oil wells. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, (5), ...
- Created on 28 August 2024
- 5. Assessment of the contamination degree of gas pipeline branches during mined-out space degasification
- (Content №4 2024)
- ... diameter of the gas pipeline contaminated branch leads to an increase in the absolute gas mixture pressure, a decrease in its flow rate and methane yield in the final gas-drainage pipeline section. By ...
- Created on 28 August 2024
- 6. Effect of circumferential lean of pump-turbine runner blades on energy characteristics
- (Content №3 2024)
- ... the dependences of the efficiency curves and heads on flow rate at different values of guide vane openings are shown. Originality. The influence of circumferential lean (spatial profiling) of the runner ...
- Created on 28 June 2024
- 7. Influence of multiphase fuel injection on the technical and economic indicators of a transportation diesel engine
- (Content №3 2024)
- ... M. L., Xu, H., Abdullah, N. R., & Piaszyk, J. (2015). Fuel injection and combustion study by the combination of mass flow rate and heat release rate with single and multiple injection strategies. Fuel ...
- Created on 28 June 2024
- 8. Research on occurrence features and ways to improve the quality of productive hydrocarbon horizons demarcation
- (Content №3 2024)
- ... for high-quality delineation of productive horizons, as a result of which interlayer flows occur, that is lead to the loss of the potential flow rate of the boreholes and increasing in the cost of hydrocarbon ...
- Created on 28 June 2024
- 9. Method of controlling the volume of combustion products at different boiler loads
- (Content №1 2024)
- ... Gases Characteristics on Fuel Flow Rate in Furnaces. Energy technologies and resource saving, 1, 11-22. 6. Soroka, B. S., Vorobyev, N. V., & Karabchievskaya, R. S. (2016). Natural Gas Saving by Replacement ...
- Created on 29 February 2024
- 10. The choice of optimal methods for the development of water wells in the conditions of the Tonirekshin field (Kazakhstan)
- (Content №1 2024)
- ... ensures decolmatation of the near-wellbore zone and the maximum flow rate of high-quality water for domestic and drinking water supply. Practical value. For the specific geological and technical conditions ...
- Created on 29 February 2024
- 11. Optimization mathematical model of a contact air cooler for a mine turbocompressor
- (Content №5 2023)
- ... it possible to minimize the theoretical flow rate at the inlet to the uncooled section of the turbocompressor, which reduces the specific energy consumption for the compressed air production. Originality. ...
- Created on 27 October 2023
- 12. Influence of drilling mud pulsations on well cleanout efficiency
- (Content №5 2023)
- ... factors with a minimum number of experiments without losing the quality of the result. Findings. The influence of factors (mud flow rates, eccentric placement of the drill string, plastic viscosity of ...
- Created on 27 October 2023
- 13. Reducing the formation of asphaltene deposits and increasing the flow rates of oil wells
- (Content №5 2023)
- ... in the bottom-hole zone of wells and increasing their flow rate. Methodology. The purpose of the work is achieved by conducting theoretical and experimental studies on the formation of asphaltene and ...
- Created on 27 October 2023
- 14. Mathematical model of air flow movement in a motorized filter respirator
- (Content №3 2023)
- ... Practical value. The parameters of the mathematical model have been determined, which can be used when developing a control system for the airflow movement in the MFR: changes in air flow rate in accordance ...
- Created on 27 June 2023
- 15. Optimization of technological parameters of airlift operation when drilling water wells
- (Content №3 2023)
- ... average effective values of the output parameters: the density of the water-air mixture, its upward flow rate, and the air flow rate at a given velocity of the upward flow of water as it approaches the ...
- Created on 27 June 2023
- 16. Modeling of drilling water supply wells with airlift reverse flush agent circulation
- (Content №1 2023)
- ... in the upstream. The effective values of the airflow rate, the density of the water-air mixture and the velocity of its upward flow are established. A method for estimating the effective values of technological ...
- Created on 25 February 2023
- 17. Complex measurement of parameters of iron ore magnetic separation based on ultrasonic methods
- (Content №3 2022)
- ... Furuichi, N. (2013). Effect of low-frequency ultrasound on flow rate measurements using the ultrasonic velocity profile method. Journal of Nuclear Science and Technology, 50(6), 654-663. https://doi.org/10.1080/00223131.2013.785269. ...
- Created on 29 June 2022
- 18. New approach to injection of pressurizing gas into fuel tanks of power units
- (Content №6 2021)
- ... and accurately the gas flow rate for tank pressurization, using it with a temperature of up to ~1800 K. The drop in gas pressure disappears in the tank at the initial moment of operation of the pressurization ...
- Created on 29 December 2021
- 19. Validation of the operation efficiency criteria for geothermal probes in flooded mine workings
- (Content №5 2021)
- ... hydrogeological settings and geothermal conditions of the mines of the Selidovo group in Donbas. The developed criteria were examined within the ranges of key parameters such as the flow rate of the heat ...
- Created on 29 October 2021
- 20. Current state and forecast of sulfur dioxide and dust emissions at thermal power plants of Ukraine
- (Content №5 2021)
- ... 6. Graham, D., Harnevie, H., van Beek, R., & Blank, F. (2012). Validated methods for flue gas flow rate calculation with reference to EN 12952-15. Netherlands, Arnhem: KEMA. Retrieved from https://www.vgb.org/vgbmultimedia/rp338_flue_gas-p-5560.pdf. ...
- Created on 29 October 2021