A.M. Schipachev
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View article: Determining the Endurance Limit of Oil and Gas Steels Based on Software-assisted Indentation Testing Results
Determining the Endurance Limit of Oil and Gas Steels Based on Software-assisted Indentation Testing Results Open
View article: Feasibility Analysis of Hartmann-Sprenger Effect for Quasi-Isothermal Pressure Reduction of Natural Gas
Feasibility Analysis of Hartmann-Sprenger Effect for Quasi-Isothermal Pressure Reduction of Natural Gas Open
View article: Evaluating the Effectiveness of Magnetic-Pulse Treatment for Healing Continuity Defects in the Metal of Oil and Gas Pipelines
Evaluating the Effectiveness of Magnetic-Pulse Treatment for Healing Continuity Defects in the Metal of Oil and Gas Pipelines Open
This research paper addresses the issues in evaluating the effectiveness of magnetic-pulse treatment for healing continuity defects in the metal of oil and gas pipelines. A theoretical analysis of the magnetic-pulse action mechanism on con…
View article: Thermally Activated Crack Growth and Fracture Toughness Evaluation of Pipeline Steels Using Acoustic Emission
Thermally Activated Crack Growth and Fracture Toughness Evaluation of Pipeline Steels Using Acoustic Emission Open
The article presents an approach to assessing the fracture toughness of structural alloys based on thermally activated crack growth and recording acoustic emission signals. The kinetic and structural features of the stable growth of the in…
View article: MAGNETIC-PULSED TREATMENT TO IMPROVE THE STRENGTH PROPERTIES OF DEFECTIVE SECTIONS OF OIL AND GAS PIPELINES
MAGNETIC-PULSED TREATMENT TO IMPROVE THE STRENGTH PROPERTIES OF DEFECTIVE SECTIONS OF OIL AND GAS PIPELINES Open
Link for citation: Schipachev A.M., Mohammed Aljadly. Magnetic-pulse treatment to improve the strength properties of defective sections of oil and gas pipelines. Bulletin of the Tomsk Polytechnic University. Geo Аssets Engineering, 2023, v…
View article: Manifestation of incompatibility of marine residual fuels: a method for determining compatibility, studying composition of fuels and sediment
Manifestation of incompatibility of marine residual fuels: a method for determining compatibility, studying composition of fuels and sediment Open
The results of studying the problem of active sediment formation when mixing residual fuels, caused by manifestation of incompatibility, are presented. A laboratory method has been developed for determining the compatibility and stability …
View article: Study of the Pipeline in Emergency Operation and Assessing the Magnitude of the Gas Leak
Study of the Pipeline in Emergency Operation and Assessing the Magnitude of the Gas Leak Open
Accidents on gas pipelines cause significant damage to the national economy and the economy of the state. Thus, it is necessary to always be prepared for such situations in order to restore the normal operation of the gas pipeline as soon …
View article: Restoration of the Serviceability of Defective Sections of Oil and Gas Pipelines Using the Magnetic-Pulse Method
Restoration of the Serviceability of Defective Sections of Oil and Gas Pipelines Using the Magnetic-Pulse Method Open
The analysis of emergency situations on the main pipelines is presented, as a result of which it was found that the occurrence of fatigue microcracks and their growth under load is one of the main causes of accidents, which indicates the d…
View article: DETERMINATION OF COMPATIBILITY AND STABILITY OF RESIDUAL FUELS BEFORE MIXING IN TANKS
DETERMINATION OF COMPATIBILITY AND STABILITY OF RESIDUAL FUELS BEFORE MIXING IN TANKS Open
View article: Change of Acoustic and Magnetic Properties of Metals of Main Pipelines under the Influence of Cyclic Loads
Change of Acoustic and Magnetic Properties of Metals of Main Pipelines under the Influence of Cyclic Loads Open
Today, the assessment of the technical condition of objects taking into account the effects of variable loads is gaining popularity in the world. As a rule, such loads do not lead to simultaneous destruction of structures. Such facilities …
View article: Optimal method of Arctic hydrocarbons production-and-supply system implementation
Optimal method of Arctic hydrocarbons production-and-supply system implementation Open
One of the most important issues in the development of the Arctic shelf is the rationality of transportation. Selection of the optimal method is an integral part of the project, in the framework of which this article is written. Earlier al…
View article: Research of the Influence of Storage Conditions of Residual Fuel Mixture in Tanks on Sedimentation
Research of the Influence of Storage Conditions of Residual Fuel Mixture in Tanks on Sedimentation Open
The article analyzes the problem of loss of stability and compatibility of residual fuels and their mixtures during storage. Studies of the effect of storage conditions of residual fuels on the formation of sediments are carried out and th…
View article: Influence of Residual Fuel Sediment on Stress-Strain State of a Vertical Steel Tank
Influence of Residual Fuel Sediment on Stress-Strain State of a Vertical Steel Tank Open
The article studies the formation of the total sediment by the incompatibility of residual fuels and oil products, analyzes and calculates the stress-strain state of the tank taking into account oil products and sediment. The studies exami…
View article: The choice of an optimal technological process for mechanical treatment of machine components based on structural models
The choice of an optimal technological process for mechanical treatment of machine components based on structural models Open
The article discusses the optimization of a technological process for mechanical treatment of machine components. As a rule, a technological process implies many variants which complicate the mathematical solution of optimization tasks. In…
View article: Structural analysis of technological processes with multivariate machining operations
Structural analysis of technological processes with multivariate machining operations Open
This article addresses the issue of structure optimization for machining technological processes. A technological process typically offers multivariate operations. A choice of one option is an optimization problem. A mathematical solution …
View article: CONTROL OF PHYSICAL AND MECHANICAL CHAR-ACTERISTICS OF STEEL BY SMALL PUNCH TEST METHOD
CONTROL OF PHYSICAL AND MECHANICAL CHAR-ACTERISTICS OF STEEL BY SMALL PUNCH TEST METHOD Open
Analysis of applicability of methods using microspecimens indentation tests to determine the physico-mechanical characteristics of steels, as well as the damage state of the material by the example of steel 10 and steel 20, was conducted. …
View article: Optimum Conditionsof Turning and Surface Plastic Defomation DeterminationTaking into Account Technological Heredity
Optimum Conditionsof Turning and Surface Plastic Defomation DeterminationTaking into Account Technological Heredity Open
The problem of technological supplying of durability is researched. Herewith, the influence of surface layer quality parameters must be concerned and researched: what methods, treatment regimes, instruments supplies are the required qualit…
View article: Increasing service life of chuck unit of tank during cyclic loading
Increasing service life of chuck unit of tank during cyclic loading Open
Performance of the tanks depends on the tightness of all their components and joints, quality thereofis formed during the construction phase. Analysis of the results of the VST (vertical steel tank) examination shows that a greater number …
View article: The Methodology of the Determination of Accumulated Damage Level and Achievement of the Limit State in Ferromagnetic Steel Structures
The Methodology of the Determination of Accumulated Damage Level and Achievement of the Limit State in Ferromagnetic Steel Structures Open
The insurance of the safety of extended facilities, such as pipeline systems, raises the issue of continuous monitoring of their technical condition and control of accumulated damage.A similar problem arises in the operation of hazardous f…