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This article describes the development of a software module for modeling heat exchange processes in packing columns in the rectification columns applied to the gas industry. The peculiarity of the developed module is the orientation to solving one-dimensional problems on the basis of finite difference methods, high-performance graphical and tabular display of modeling results, open source code.
The report proposes a concept of structure of cyberphysical control systems for technological processes in the gas producing complex based on the Digital Twin Development Platform. New mathematical models of controlled absorption processes of natural gas dewatering have been worked out and analyzed.
With the development of China's economy, the transformation of the terminal energy consumption structure has been put on the agenda. For this reason, the government proposes the Electric Power Alternative plan to promote electricity consumption and ban the consumption of traditional fossil energy. In view of the existing power instead of the terminal energy evaluation method of low efficiency, low...
With the rapid development of ICTs, condition monitoring has been used as a key technology in the plant industries. For reliable condition monitoring, sensors should output same values under same conditions regardless of time, but the sensitivity of sensors is gradually changed due to several factors such as temperature, humidity, contamination, aging, and etc. This type of situation is called as...
Islanded mixed-source CERTS microgrids that include photovoltaic (PV) microsources and natural gas gensets are vulnerable to the collapse of the dc bus voltage in the CERTS-compatible PV microsources designed with voltage-source characteristics during dynamic overload conditions. Control techniques tailored to prevent the bus voltage collapse are explored. Simulation and experimental verification...
Prediction of natural gas consumption of a town is very important for its logistics and district heating workflow. In this paper different empirical models are introduced for gas consumption prediction. The models are based on the characteristics of gas consumption data that was gathered in Ljubljana, Slovenia. Important observables were recognized from the data and the models were structured according...
With the growing installation of natural gas fired power plants (NGFPPs), more and more generation companies are engaging in both electricity and natural gas markets as big players simultaneously. Recognizing the inefficiencies caused by scheduling discontinuities between the two markets, studies on the improvement of the living natural gas market are emerging. This paper presents a bi-level bidding...
The efficient integration of renewable energy in the present infrastructure requires the use of storage technologies and the inclusion of other energy sectors as electricity and natural gas to use synergistic effects. In this paper we present an approach to find an optimal solution using Reinforcement Learning (RL) methods. We use the concept of “Energy Hub” (EH) and “Smart Grid” to improve the operation...
This article touches upon the issue of determining the annual minimum economic operating period of cogeneration units, based on internal combustion engines. The calculation of this important indicator for cogeneration plants was performed for the installed power capacities in the range of 5-3000 kWe under local conditions and is based on the analysis of expenditures and revenues. The developed economic...
Energy security is the main goal of almost all of documents in the energy sector. The monitoring 46 indicators of energy security is based on the annually replenished database to calculate indicators. Fuel consumption indicators are grouped in the separate block. Forecasting is based on values of fuels consumption for time series and used extrapolation growth factors CAGR. Pollutant emissions are...
The paper presents the technology used for extracting the energy of geothermal water that comes from a closed reservoir without decreasing the pressure of the reservoir. In order to do this, the reinjection of heat depleted geothermal water is obligatory. Therefore, beside the production well, an injection well is mandatory. Also, because of the high concentration of dissolved solids and to avoid...
A city's critical infrastructure such as gas, water, and power systems, are largely interdependent since they share energy, computing, and communication resources. This, in turn, makes it challenging to endow them with fool-proof security solutions. In this paper, a unified model for interdependent gas- power-water infrastructure is presented and the security of this model is studied using a novel...
A vast amount of natural gas pipelines are installed underwater and they can be punctured because of various reasons such as corrosion and their increasing ages. In this study, nature of acoustic signals which are generated by leak holes on underwater natural gas pipelines is examined and a novel passive acoustic based system is proposed to detect the acoustic signals, to locate leak hole and to determine...
Gas network system is an important medium of gas transmission; it develops quickly and has the large scale. The pipeline is an important part of the gas network system, and its local failure may lead to the short or stop of gas supply of large-scale network system. In order to explore the fault propagation rule and its influence on the gas network system, fault models are established according to...
This article mainly introduces the structure design and application of bidirectional booster cylinder to provide technical support for the manufacture of natural gas compression equipment. As a result, by calculating the static structure of the hydraulic cylinder and the pressure to be borne, we finally determined the structure of the hydraulic cylinder. The structure saves equipment manufacturing...
Surface motions are caused by various processes, e.g. (abandoned) mining, natural gas extraction, sinkholes, landslides and can cause damage to buildings, infrastructure, affect ecosystems, agriculture and the economic use of the geological underground by influencing the hydro(geo)logical setting. Advanced differential interferometric SAR processing techniques (A-DInSAR), e.g. Persistent Scatterer...
As Chinese economy continues to grow, the demand for energy is growing, and transmission lines and gas pipeline construction are in rapid development. As the selecting principles of the power industry and the oil and gas industry on the transmission path are very similar, the parallel closeness and crossing between lines and pipelines occur occasionally, and the impact of transmission lines on oil...
The Visible Infrared Imaging Radiometer Suite (VIIRS) collects two styles of low light imaging data at night, enabling the detection of electric lighting and combustion sources. NOAA operates two near-real time processing chains to exploit the low light imaging data collected by VIIRS. One is focused on the detection of heavily lit fishing boats, providing fishery agencies with information related...
This paper studies the construction and optimal scheduling issues of energy internet power flow, considering electrical, natural gas and heating integratedly. Firstly, a new data based modeling method of energy hub is proposed, which is much simpler than mechanism based methods. Then the working pattern of energy internet is proposed in this paper, and based on that, the hybrid energy optimization...
This study examines the feasibility of harnessing biogas from waste biomass, to replace natural gas used in fast-acting turbines that manage the intermittency of the Irish Electric Grid, in a high renewables penetration scenario. A simplified model of the complex national grid was developed to mimic the exchange of electricity across the country's largest generation points and consumption centers...
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