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Effect of Hydrogen Blending on the Energy Capacity of Natural Gas Transmission Networks

Abstract

In this paper the effects of hydrogen on the transport of natural gas-hydrogen mixture in a high-pressure natural gas transmission system are investigated in detail. Our research focuses on the decrease in transferable energy content under identical operating conditions as hydrogen is blended in the gas transmission network. Based on the extensive literature review the outstanding challenges and key questions of using hydrogen in the natural gas system are introduced. In our research the transmissible energy factor - TEF - is defined that quantifies the relative energy capacity of the pipeline caused by hydrogen blending. A new equation is proposed in this paper to find the value of TEF at specific pressure and temperature conditions for different hydrogen concentrations. This practical equation helps the natural gas system operators in the decision-making process when hydrogen emerges in the gas transmission system. In this paper the change of the compression power requirement, which increases significantly with hydrogen blending, is investigated in detail.

Funding source: The research was carried out at the University of Miskolc both as part of the’‘More efficient exploitation and use of subsurface resources” project implemented in the framework of the Thematic Excellence Program funded by the Ministry of Innovation and Technology of Hungary (Grant Contract reg. nr.: NKFIH-846-8/2019) and the project titled as ‘Developments aimed at increasing social benefits deriving frommore efficient exploitation and utilization of domestic subsurface natural resources” supported by the Ministry of Innovation and Technology of Hungary from the National Research, Development and Innovation Fund in line with the Grant Contract issued by the National Research, Development and Innovation Office (Grant Contract reg. nr.: TKP-17-1/PALY-2020).
Related subjects: Hydrogen Blending
Countries: Hungary
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/content/journal4353
2022-12-16
2024-03-29
http://instance.metastore.ingenta.com/content/journal4353
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