- 1. Pipe production cost management model based on graph theory
- (Content №5 2024)
- ... pipe production process is a complex dynamical system with a significant number of production operations and interconnected cost localization centres. Purpose. To develop a mathematical model of the ...
- Created on 29 October 2024
- 2. Assessment of the contamination degree of gas pipeline branches during mined-out space degasification
- (Content №4 2024)
- ... Abstract: Purpose. To determine the patterns of changes in the gas mixture parameters in the final gas-drainage pipeline section during draining-out of gases from the mined-out space through the gas ...
- Created on 28 August 2024
- 3. Improvement of the method for optimization of predicting the efficiency of a robotic platform
- (Content №3 2024)
- ... Human hand motion prediction based on feature grouping and deep learning: Pipe skid maintenance example. Automation in Construction, 138, 104232. https://doi.org/10.1016/j.autcon.2022.104232. 2. Yang, F., ...
- Created on 28 June 2024
- 4. Determination of technological parameters for hydromechanical amber extraction in the Polissia region of Ukraine
- (Content №3 2024)
- ... to be Q = 72 m³/hour. The optimal pipeline diameter was selected as D = 0.3 m, and the optimal slurry velocity was determined to be v0 = 2.75 m/s. The methodology for determining the technological parameters ...
- Created on 28 June 2024
- 5. Research on occurrence features and ways to improve the quality of productive hydrocarbon horizons demarcation
- (Content №3 2024)
- ... Pryhorovska, T., & Lozynskyi, V. (2021). Influence of Heavy Weight Drill Pipe Material and Drill Bit Manufacturing Errors on Stress State of Steel Blades. Energies, 14(14), 4198. https://doi.org/10.3390/en14144198. ...
- Created on 28 June 2024
- 6. CFD-modeling of critical deviations of combustion processes in pulverized coal boilers. Part 1. Construction of the TPP-210A boiler calculation model
- (Content №2 2024)
- ... of a high-concentration dust pipe under rarefaction to the central air channel. For the first time, the distribution of thermal resistances has been applied as boundary conditions on the walls of the fuel ...
- Created on 01 May 2024
- 7. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... of an API X80 steel pipe after high-frequency hot-induction bending. Metals, 8(3), 168. https://doi.org/10.3390/met8030168. 16. Vakulenko, I. O., Vakulenko, L. I., Bolotova, D. M., Kurt, B., Asgarov, ...
- Created on 01 May 2024
- 8. Heat exchange under the longitudinal movement of wet steam in finning heat exchangers
- (Content №1 2024)
- ... and gas. Correlations were obtained for pipes with longitudinal finning as the Π-shaped profile, based on which we recommend optimizing the geometric characteristics of longitudinal finning. Originality. ...
- Created on 29 February 2024
- 9. Scientific bases and peculiarities of conversion of CHPP anthracite boilers to sub-bituminous coal combustion
- (Content №1 2024)
- ... and heat calculations of pulverizing systems, aerodynamic calculations of pulverized coal pipes and burners, thermal calculations of boilers and combustion chambers. Calculation justification of technical ...
- Created on 29 February 2024
- 10. Influence of ice structure on vitability of frozen sand-water and sand-clay mixtures
- (Content №1 2024)
- ... 1. Hu, X., Fang, T., Chen, J., Ren, H., & Guo, W. (2018). A large-scale physical test on frozen status in freeze-sealing pipe roof method for tunnel construction. Tunneling and Underground Space ...
- Created on 29 February 2024
- 11. Improvement of the methodology for calculating the expected drilling speed with PDC chisels
- (Content №1 2024)
- ... L., Hrudz, V., Chudyk, I., & Dodyk, T. (2020). Determination of preconditions leading to critical stresses in pipeline during lowering. Lecture Notes in Civil Engineering, 102, 241-252. https://doi.org/10.1007/978-3-030-58073-5_19. ...
- Created on 29 February 2024
- 12. Accounting for a positive, negative and zero sequences power in a three-phase unbalanced electrical system
- (Content №6 2023)
- ... Korenkova, T., & Kovalchuk, V. (2020). The assessment of the electrohydraulic complex power controllability with different rates of closing pipeline valves. Przeglad Elektrotechniczny, 12(97), 234-237. ...
- Created on 23 December 2023
- 13. Managing the process of underground coal gasification
- (Content №6 2023)
- ... injection well and combined method (blast injection well + controlled pipeline). The generated producer gas calorific value has been determined analytically according to the “additivity rule”, taking into ...
- Created on 23 December 2023
- 14. Influence of drilling mud pulsations on well cleanout efficiency
- (Content №5 2023)
- ... 12. Duan, M., Miska, S., Yu, M., Takach, N., Ahmed, R. M., & Hallman, J. (2010). Experimental Study and Modeling of Cuttings Transport Using Foam with Drillpipe Rotation. SPE Drilling & Completion, ...
- Created on 27 October 2023
- 15. Reducing the formation of asphaltene deposits and increasing the flow rates of oil wells
- (Content №5 2023)
- ... 9b03460. 3. El-Dalatony, M. M., Jeon, B.-H., Salama, E.-S., Eraky, M., Kim, W. B., Wang, J., & Ahn, T. (2019). Occurrence and Characterization of Paraffin WaxFormed in Developing Wells and Pipelines. ...
- Created on 27 October 2023
- 16. Substantiating a method for computer analysis of the stress-strain state of the tubbing erector manipulator mechanism
- (Content №4 2023)
- ... manipulator, mechanical mates, equivalent stresses References. 1. Protsiv, V., Ziborov, K., & Fedoriachenko, S. (2015). Test load envelope of semi – Premium O&G pipe coupling with bayonet locks. ...
- Created on 28 August 2023
- 17. Improving the technology of extracting coal concentrate from fly ash from thermal power plants
- (Content №4 2023)
- ... of the factors and the three-dimensional surface of the calculated response function were drawn up. Originality. The degree of influence of factors such as pulp pressure in the feed pipeline, collector ...
- Created on 28 August 2023
- 18. Mathematical model of air flow movement in a motorized filter respirator
- (Content №3 2023)
- ... Patent No. u202006362). Ukraine. Retrieved from https://base.uipv.org/searchINV/search.php?action=search. 22. Hendryx, M., & Luo, J. (2020). Natural gas pipeline compressor stations: VOC emissions ...
- Created on 27 June 2023
- 19. Assessing the accuracy of modeling the tubbing erector manipulator mechanism in solidworks motion program
- (Content №3 2023)
- ... K., & Fedoriachenko, S. (2015). Test load envelope of semi – Premium O&G pipe coupling with bayonet locks. New Developments in Mining Engineering 2015: Theoretical and Practical Solutions of Mineral ...
- Created on 27 June 2023
- 20. Design of double-shoulder threaded joints of drilling string elements
- (Content №3 2023)
- ... 6. Rachkevych, R., Slobodian, V., Ivasiv, V., & Artym, V. (2016). Longevity of Pipe Strings under the Complex Strain-Stress State. Prospecting and Development of Oil and Gas Fields, 4(61), 25-33. ...
- Created on 27 June 2023