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Study of the structure and operational properties of the surface layer of 60S2A steel subjected to combined EMT + SPD hardening
In this work, the fine structure and mechanical properties of the surface white layer of 60S2A steel subjected to combined strengthening by...
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Reduction of energy consumption for pum** heat carriers while ensuring the required amount of transferred heat in plate heat exchanger
The average difference between hot and cold heat carrier temperatures, the amount of transferred heat, and the hydraulic resistance for a patented...
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Optimal grinding modes for sealing surfaces of the valve assembly of pipeline fittings
Herein, we discuss designs of single- and multidisc grinding tools for formation of sealing surfaces (SSs) of valves of pipe fittings. We study on...
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Calculation of the parameters of refrigerant vapor when compressed in a scroll compressor
The paper presents a method for calculating the thermodynamic parameters of refrigerant vapors during their compression in a scroll compressor. The...
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Improving efficiency of flat-chamber electrobaromembrane device for solution separation
The design of a flat-chamber type of electrobaromembrane device for cleaning technolo gical solutions of chemical, machine-building and agroprocessing...
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Experimental studies of bulk components mixing process in a centrifuge with alternating channels and blades
Analysis of the results of experimental studies of bulk materials mixing process in a developed laboratory centrifuge having an adapter with...
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Operational mode study of an ice slurry generator with induction heating
The paper presents a new method for ice slurry generation, based on a periodic heating of the ice formation surface by an alternating electromagnetic...
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Experimental aggregative stability study of Ag/PVP nanoparticles in colloidal solutions, based on the water, propylene glycol-water, and isopropanol systems
We investigate the aggregative stability of Ag/PVP nanoparticles (0.1 and 0.3 wt% of Ag) in colloidal solutions, based on isopropanol, water, and...
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Enhancing the performance of reciprocating compressors
This study discusses an option for combating the harmful space of reciprocating compressors by installing an elastomeric disk made of HNBR-70 type...
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Numerical study of multicomponent mixed refrigerant composition regulation during natural gas liquefaction
One of the promising directions of energy efficiency enhancement and operating cost reduction when small-scale natural gas liquefaction plants where...
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Effect of Ag/PVP nanoparticle additives on the specific heat capacity of secondary coolants, based on the water, propylene glycol–water, and isopropanol systems
In this paper, we investigate the effect of adding silver (Ag) nanoparticle coated with polyvinylpyrrolidone (PVP) at an Ag concentration of 0.3 wt%...
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Method for determining heat inputs and drainless storage duration of liquefied natural gas in a cryogenic tank
Ensuring safe and long-term storage of liquefied natural gas (LNG) is essential for improving the environmental and cost effectiveness of LNG-based...
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Corrosion Behavior of N80 Steel in Underground Supercritical CO2 Environments
In the CCUS project, CO 2 utilization had achieved remarkable results in oil displacement. But, at present, one of the main reasons that seriously...
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Research on Geochemical Response Characteristics of Dry Hot Rocks Injected with Scale Removal pH Modified Fluid
Geothermal energy has abundant reserves, is clean and environmentally friendly, and is an important alternative energy source for future oil and gas...
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Research on the Axial Stress Distribution Law of Mountain Pipeline Under the Action of Lateral Landslides
This article studies the distribution law of axial stress in mountain pipelines under the action of lateral landslides. Firstly, a mechanical model...
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Characterization of Pore Structure and Water-Driven Residual Oil Distribution in Low-Permeability Reservoirs Based on Digital Cores
In order to solve the problems of unclear mechanism of residual oil formation and storage state at the late stage of water-driven development in...
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Interpretable Deep Learning Approach for Production Forecasting of Fractured Horizontal Wells
Timely and accurate forecasting of well production in tight gas reservoirs is of paramount importance for comprehensive field development and...
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Preparation and Mechanism of Low-Molecular-Weight Amine-Based Inhibitor that Completely Inhibits Surface Hydration of Clay Minerals
The inhibition of surface hydration is the most fundamental technical measure for controlling shale borehole stability, but little research has been...
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Study on Water Intrusion Flow Model of the Tight Gas Reservoir
Aiming at the problem that the water intrusion control factors of multi-stage fracturing horizontal wells in tight gas reservoirs in edge and bottom...
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Development and Performance Evaluation of Paraffin and Aromatic Hydrocarbon Synergistic Lotion Wax Remover
The chemical paraffin removal agent QLJ-1 was developed by analyzing the composition of crude oil, the wax content and the point of paraffin removal...
