Results 1 to 10 of about 7,170 (253)

Study progress on the pipeline transportation safety of hydrogen-blended natural gas [PDF]

Heliyon, 2023
The core of carbon neutrality is the energy structure adjustment and economic structure transformation. Hydrogen energy, as a kind of clean energy with great potential, has provided important support for the implementation of the carbon peaking and ...
Xiao Tian, Jingjing Pei
doaj   +6 more sources

Adaptability Study of Pressure Regulators in Hydrogen-Blended Natural Gas Pipelines [PDF]

ACS Omega
The advancement of hydrogen-blended natural gas (HBNG) technologies has positioned the use of existing natural gas pipelines as an effective and economical method for transportation. Yet, this process encounters significant technical challenges, particularly in the adaptability of pressure regulators within these pipeline systems, which necessitates ...
Yuchi Xue, Xiaoling Li, Yang Liu, Jiecheng Yuan, Jinhao Hua, Yuguo Wu   +5 more
openaire   +3 more sources

Green Hydrogen Blends with Natural Gas and Its Impact on the Gas Network

Hydrogen, 2022
With increasing shares of variable and uncertain renewable generation in many power systems, there is an associated increase in the importance of energy storage to help balance supply and demand.
Ali Ekhtiari, Damian Flynn, Eoin Syron
doaj   +2 more sources

Simulation study on hydrogen concentration distribution in hydrogen blended natural gas transportation pipeline. [PDF]

PLoS ONE
Hydrogen is a clean energy source, and blending it with natural gas in existing pipeline networks is a key transition solution for transportation cost reduction.
Weiqing Xu, Yongwei An, Shuangjie Yan, Rui Li, Maolin Cai, Guanwei Jia   +5 more
doaj   +2 more sources

Numerical study on small hole leakage and diffusion of hydrogen in buried pipelines [PDF]

Scientific Reports
In this paper, a numerical simulation method is systematically employed to study the diffusion behavior of pure hydrogen and hydrogen-blended natural gas during small-hole leakage from buried pipelines.
Longfei Dong, Xin Pang, Rui Zhang
doaj   +2 more sources

Effects of hydrogen blending ratios and CO2 on hydrogen embrittlement of X65 steel in high-pressure offshore hydrogen-blended natural gas pipelines

Journal of Materials Research and Technology
In this study, the effects of hydrogen blending ratios and high CO2 content on hydrogen embrittlement (HE) of offshore natural gas X65 pipeline steel were investigated.
Dechun Cui, Yunlong Bai, Liang Xiong, Bangting Yu, Boxin Wei, Cheng Sun   +5 more
doaj   +3 more sources

Estimating Greenhouse Gas Emissions from Hydrogen-Blended Natural Gas Networks

Energies
Methane is a significant contributor to anthropogenic greenhouse gas emissions. Blending hydrogen with natural gas in existing networks presents a promising strategy to reduce these emissions and support the transition to a carbon-neutral energy system ...
Roberto Paglini, Francesco Demetrio Minuto, Andrea Lanzini   +2 more
doaj   +3 more sources

A review of studies on the impact of hydrogen-blended natural gas on the performance of terminal gas equipment

You-qi chuyun
ObjectiveHydrogen-blended natural gas presents a viable solution for facilitating the large-scale application of hydrogen. However, the introduction of hydrogen can significantly alter the physical property parameters of the gas, leading to various ...
Jianguo FENG, Hengjin LUO, Chaokui QIN, Dongqing PENG, Zhiguang CHEN, Jian CAI   +5 more
doaj   +2 more sources

Influences of Hydrogen Blending on the Joule–Thomson Coefficient of Natural Gas [PDF]

ACS Omega, 2021
Blending hydrogen into the natural gas pipeline is considered as a feasible way for large-scale and long-distance delivery of hydrogen. However, the blended hydrogen can exert major impacts on the Joule-Thomson (J-T) coefficient of natural gas, which is a significant parameter for liquefaction of natural gas and formation of natural gas hydrate in ...
Jingfa Li, Yue Su, Bo Yu, Peng Wang, Dongliang Sun   +4 more
openaire   +3 more sources

Investigation of Mixing Behavior of Hydrogen Blended to Natural Gas in Gas Network [PDF]

Sustainability, 2021
Hydrogen is of great significance for replacing fossil fuels and reducing carbon dioxide emissions. The application of hydrogen mixing with natural gas in gas network transportation not only improves the utilization rate of hydrogen energy, but also reduces the cost of large-scale updating household or commercial appliance.
Mingmin Kong, Shuaiming Feng, Qi Xia, Chen Chen, Zhouxin Pan, Zengliang Gao   +5 more
openaire   +1 more source