Influence of gas transport volumes reduction on gas pipeline stress state
Transit of natural gas along the territory of Ukraine to the countries of the Western and Central Europe. Main resons of the loss of pipeline efficiency. Necessity for studying of the operation modes of the gas transport system during underloading.
Подобные документы
Analyzed the impact of long-term operation of gas pipelines, as well as natural stress concentrators on the physico-mechanical properties of welded joints of steel 17G1S. Regularities of the destruction of the material of welded joints of gas pipelines.
статья, добавлен 30.01.2016The essence of ventilation systems. Operation of special ventilation shafts, requirements for the location of the ventilation shafts. The design of the ventilation system, its role in the design of complex transport systems, road and rail tunnels.
контрольная работа, добавлен 19.02.2019Analysis of the use of aluminum alloys in the transport sector. Increased speed, safety, energy savings and reduced transport emissions thanks to aluminum. Ensuring a smooth ride and improved heat dissipation from the braking system using aluminum discs.
статья, добавлен 19.03.2024Evaluation of the technical system and its subsequent use for decision-making to ensure complex technical systems with appropriate quality of work. The characteristics and specificity of the model changes performance States based on the Markov chain.
статья, добавлен 29.01.2016Estimating the number of conduction modes can, their evaluation. Analysis of the model for the mean free path for backscattering. Calculation of near equilibrium thermoelectric transfer coefficients. Setting the differences in voltage and temperature.
статья, добавлен 30.07.2016The establishment of unfavorable modes of operation of mining equipment under which there is an unstable position in space of the suction head during its descent to the bottom. The influence of hydrostatic pressure on the strengthening of the digging.
статья, добавлен 30.07.2016The roller of the belt as the most important parts of the conveyor, being subjected to continuous stress both during operation and in stopping periods. Causes and weight percentage of failures due to fatigue. Sealing system with simple labyrinth.
статья, добавлен 27.12.2016The comparison of natural modes for the first and second transverse oscillation modes obtained by numerical simulation and finite element package of analytical calculation of the core model. The analysis waveforms for different values of the defect.
статья, добавлен 29.06.2017Analysis of the main causes of destruction of adhesive joints. Structural and technological stress concentrators, because of which cracks develop during operation. General characteristics of the resistance of adhesive bonding to failure at all stages.
статья, добавлен 30.04.2018The results of expedition research of some solar salt works of the South of Ukraine (Kherson region, AR Crimea) and lake Baskunchak (Astrachan region, Russia). Discussing the approaches to modeling natural environment in D. salina laboratory culture.
статья, добавлен 27.07.2016Discussing an innovative technology for fault detection of the pipelines transportation. Study and characteristic repeated correlation of the above structures with kinematic diagram of failure, which make for adequate predicting the remaining life.
статья, добавлен 02.11.2018Rational modes of printing volumetric samples with a working thickness of the 316L powder layer of 40 μm to achieve a density of volumetric samples/ Determination of the density of metal samples by the metallographic method on an optical microscope.
статья, добавлен 19.03.2024Solution of the problem of the theory of elasticity for a composite in the form of a half-space with a thick-walled round cylindrical tube and a layer rigidly attached to the surface of the half-space. Assessment of the stress state of the composite.
статья, добавлен 26.02.2021The system of rest is energy-saving, with power supply from alternative energy sources intended for complex recovery of an organism in house conditions. Determine the effectiveness of panel modules on the level of stress. Application panel "Ananta 2016".
статья, добавлен 19.12.2017The peculiarity of the formation and development of the system of ensuring the unity of measurements in Ukraine, in particular its technical basis - the reference base. Stages of formation of the Ukrainian system of ensuring the unity of measurements.
статья, добавлен 26.03.2023Influence of the type of machining and tool material on the structural state of the surface layer of steel during machining. Advantages of turning with composite 10 incisors compared to grinding. The occurrence of tensile stresses during metal processing.
статья, добавлен 14.09.2016The surfactants have been objects of studies all over the world. Development of approach to surfactants with controllable structure and properties based on the natural raw materials applicable for cosmetics production as dispersed systems stabilizers.
статья, добавлен 23.09.2016Special supervisory control system responsible for the informative data acquisition about the current enterprise production and its control. The main SCADA. The general structure of SCADA. The Three main structure components modern SCADA-systems.
статья, добавлен 30.04.2019Study of the main tasks of industrial enterprises. A number of key factors affecting production. Ways to ensure production of high-quality products necessary for society, ways to improve production indicators based on increasing production efficiency.
статья, добавлен 26.02.2023Integration of the R.I. 01 industrial robot into the working system of the BB-01 flexible line. Operational and design features of the R.I. 01 loading robot. The central spindle of the system. The horizontal frame holding the arm of the loading robot.
статья, добавлен 25.10.2010Consideration of the problems of energy conservation and management of production costs at metallurgical enterprises. The necessity of carrying out an energy-resource-saving policy of metal producers has been substantiated; directions of energy saving.
статья, добавлен 30.09.2021The link between scientific discoveries and their subsequent applications to human needs and quality of life. History and main branches of engineering. Social context of engineering in Ukraine. European federation of engineering consultancy associations.
реферат, добавлен 16.11.2014The article considers the state and prospects of production and use of biological fuel and its impact on ensuring energy security of both world agriculture and Ukraine. Determination of conditions for the growth of production and use of biofuels.
статья, добавлен 30.11.2017Investigation of the surface layer structure at high resolution. Study of surface morphology of treated detail. The use of electric-surface alloying components operating under conditions of friction and abrasionerosion wear and their restoration.
статья, добавлен 22.03.2016The developing of the numerical model of viscoelastic material using finite element method. The comparison of the obtained results with use of FEM software with experimental data. The calculation of the stress and strain state of the asphalt specimen.
статья, добавлен 29.09.2016