The ability of pipelines to store gas by increasing their operating pressure, or linepacking, is a common operational practice used to mitigate future operational uncertainty. The optimal operation of a gas pipeline network considering linepacking is…
Hydrogen economy considers hydrogen as a substantial fraction of a nation's energy and services. This could happen in the future if hydrogen can be produced from domestic energy sources economically and in an environmental-friendly manner. Hydrogen…
The paper presents two stages of an analysis of the storage capacity of low-pressure gas network for biomethane with a low value of combustion heat. The subject of the study is up-to-date, since it concerns an important issue of the storage and…
The Australian Capital Territory (ACT) has legislated and aims to be net zero emissions by 2045. Such ambitious targets have implications for the contribution of hydrogen and its storage in gas distribution networks Therefore, we need to understand…
Deploying affordable and sustainable energy storage devices is one of the major pillars for changing the current energy systems. Natural gas (NG)/bio-methane storage for vehicle transportation is an existing technology where the gas is pressurized up…
The U.S. Energy Information Administration (EIA) projects that U.S. natural gas prices will provide a substantial cost advantage over petroleum products as a transportation fuel during the next 30+ years. Although U.S. natural gas prices closely…
Compressed natural gas (CNG) has been recently proposed as a potentially economical alternative to liquefied natural gas (LNG) for marine transportation of relatively modest amounts of natural gas over short distances. Because the main capital…
The optimal design conditions to safely and efficiently load, store, and unload CNG vessels are highly dependant on the state of the gas and other natural gas constituents. Process simulation tools can be employed to predict the behaviour of the gas…
The terrorist attack on the Abqaiq oil plant in Saudi Arabia on September 14, 2019 attracted global attention to the significant role of safety and security in the sustainable oil and gas supply chain and the vulnerability of supply infrastructures…
Modeling natural gas transportation networks poses a number of challenges due to the significant non-linearities associated to the governing equations. Pressure (nodal or p-) formulations and flow (nodal-loop or q-) formulations are the most commonly…
Reliable analysis of transportation networks is crucial for design and planning purposes. A pipeline network system could range from simple to very sophisticated and complex arrangement: from a single pipe transporting fluid from a place to another…
Application of compressed natural gas in public transportation has attracted environmental and social attentions worldwide for natural gas' low air pollutants emission, low cost, and availability. Constructing a suitable compressed natural gas…
This paper provides a review on the most relevant research works conducted to solve natural gas transportation problems via pipeline systems. The literature reveals three major groups of gas pipeline systems, namely gathering, transmission, and…
A group of European gas transportation companies within the European Gas Research Group launched in 2007 the ‘MOLAS’ Project to provide a software program for the analysis of the Liquefied Natural Gas (LNG) ageing process during ship transportation.…
We present a modeling framework for analyzing if the use of interruptible transportation services can improve capacity utilization in a natural gas transportation network. The network consists of two decision makers: the transmission system operator…
The advance of the dynamic wireless charging technique for electric vehicles makes the electrified transportation system to be the development trend. On the other hand, the interdependency between electricity and natural gas systems has been…
A mixed integer linear programming (MILP) model is proposed for the reformation of natural gas pipelines. The model is based on the topology of existing pipelines, the load and pressure at each node and the design factors of the region and minimizes…
With the increasing service life of pipelines, natural gas pipelines can gradually age and produce various corrosion defects. Hence, in order to ensure the efficiency and safety of pipeline transportation in the peak period of natural gas…
With the advent of large-scale application of hydrogen, transportation becomes crucial. Reusing the existing natural gas transmission system could serve as catalyst for the future hydrogen economy. However, a risk analysis of hydrogen transmission in…
Global electricity generation from natural gas is expected to continue in an upward trend in the coming years thereby increasing the interdependency between the electricity and the Natural gas transportation system. The reliability concerns…
Natural gas pipelines that connect subsea fields to shore terminals are composed of horizontal and inclined sections. The smooth transportation of the gas is challenged by the transient flow phenomena associated with the liquid accumulation problem…
The transportation and storage mode of natural gas is various, and natural gas can be transformed into multiple states. Furthermore, it is realized that there are uncertainties in the natural gas purchase price and cities’ demands. Thus, the optimal…
The transportation of natural gas often relies on pipelines which require constant monitoring and regular maintenance to prevent spills or leaks. Pipeline incidents could pose a huge adverse impact on people, the environment, and society. Numerous…
Due to advances in hydraulic fracturing and horizontal drilling, the abundance of inexpensive natural gas has revolutionized the energy industry. As the world population increases, natural gas will play a prominent role in satisfying new energy…
Environmental hydrogen embrittlement has become a non-negligible problem in the hydrogen blended natural gas transportation. To qualitatively study the degradation mechanism of X80 steel used in the natural gas pipelines, the slow strain tensile…
Black powder is a common contamination problem for natural gas pipeline all over the world. In this study, a method based on the jetting pig is proposed to remove the black powder in natural gas pipeline. Numeric simulations based on the…
Parallel and crossing pipelines are frequently implemented due to land-use restrictions and their ease of operation and maintenance. Given the proximity of these pipelines and the hazardousness of the substances they transport, an eventual Loss of…
Natural gas is transported through pipeline networks such as transmission and distribution to the final consumers. Local natural gas companies should make the continuous delivery of natural gas under any ambient temperature and demand. Natural gas…
Natural gas is an indispensable energy resource of today. It is transported from production centers to the consumption areas extensively using underwater pipelines. Several reasons such as aging, internal and external corrosion, flaws, seabed…
Pipelines are one of the most efficient methods to transport large quantities of natural gas from gas reserves to main markets. However, because of the unsteady nature of gas flow, the operation of pipelines is always dynamic. Furthermore, the…
When designing high-pressure gas pipelines, it must be ensured that a running fracture is arrested within the shortest possible length. The semi-empirical Battelle Two-Curve Model (BTCM) proposed in the early 1970s is still widely used in the…
The rising demand for Natural Gas (NG) in India, a developing country, necessitates adequate, uninterrupted and safe transmission and distribution of the gas to consumers at various points within the country. Though pipelines are considered as the…
The automatic line-break control valve (LBV) is a robust self-contained pipeline monitoring system which is widely used to prevent gas releasing upon rupture or large leakage event in the oil and gas pipelines. The differential pressure set point…
This paper deals with the analysis of hazards associated with accidental release of high pressure from gas-pipeline transportation system. Simplified equations which are related to the fluid properties, operating pressure, the diameter of pipeline,…
This paper reports on an investigation into the transient compressible flow physics that impacts transmission system operation under variable gas quality conditions. Gas quality issues are becoming more prominent due to the diversification of…
Many types of gases, such as natural gas, hydrogen, and so on, are transported via pipelines using a chemical process, though leakages in these pipelines create waste and pose hazards and risks to industries, the environment and people. To monitor…
The Volume of Fluid method and Re-Normalisation Group (RNG) k-ε turbulence model were employed to predict the gas-liquid two-phase flow in a terrain-inclined pipeline with deposited liquids. The simulation was carried out in a 22.5 m terrain-inclined…
Blending hydrogen into existing natural gas pipelines has been proposed as a means of increasing the output of renewable energy systems such as large wind farms. X80 pipeline steel is commonly used for transporting natural gas and such steel is…
Onshore gathering pipelines for transport of natural gas are a key part of the growing production industry in the United States. The safety of gathering pipelines has become an increasing public concern. However analysis of the data available in the…
We present an explicit second order staggered finite difference (FD) discretization scheme for forward simulation of natural gas transport in pipeline networks. By construction, this discretization approach guarantees that the conservation of mass…
The purpose of this paper is to present a study of impact assessment of the traffic-induced vibration on a buried natural gas transmission pipeline. The basic assumption in this study is that the traffic on pipeline-transportation route crossing…
The paper presents the study of the radioactivity connected with the transport of natural gas by the gas pipeline network in the selected points in Poland. In the scope of the study the measurements of activity concentration of radon (222Rn) in the…
As a part of urban pipeline network, buried gas pipelines are mainly used to transport high-pressure natural gas, artificial gas and liquefied petroleum gas. Since it are exposed to harsh service condition, buried gas pipelines are easy to encounter…
Natural or hydrogen gas is a vital energy carrier, which can serve as an energy source and is extremely vulnerable to leakages from pipeline transportation systems. Although the safety of natural gas pipelines has improved, the average economic loss…
The natural gas flowing through transmission pipeline is impure and has a wide range of non-hydrocarbons components at different concentrations like hydrogen. The presence of hydrogen in the natural gas mixture influences its properties and flow…
We are reporting in this study the hydrogen permeation in the lattice structure of a steel pipeline designed for natural gas transportation by investigating the influence of blending gaseous hydrogen into natural gas flow and resulted internal…
As an effective way to construct and maintain various life pipelines in urban areas and industrial parks, the underground utility tunnel has been developed rapidly in China in recent years. However, the natural gas pipeline leakage in a utility…
Existing energy networks can foster the integration of uncertain and variable renewable energy sources by providing additional operational flexibility. In this direction, we propose a combined power, heat, and natural gas dispatch model to reveal the…
With the rapid industrialization and urbanization in China, underground tunnels, as an effective way to construct and maintain energy supplies, have been widely utilized to transport natural gas in urban chemical plants and industrial parks. Natural…
Power system, natural gas system, and thermal system are traditionally managed by different types of companies, resulting in information islands among different systems. In order to break the information islands phenomenon and realize the unified…