Overall
- Language
- korean
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received July 24, 2023
Revised August 22, 2023
Accepted August 29, 2023
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Most Cited
상태방정식을 이용한 포화상태 수소의 열역학적 물성 모델링
Modeling of Thermodynamic Properties of Saturated state Hydrogen using Equation of State
Abstract
탄화수소기반의 화석연료 에너지원은 이산화탄소 배출로 인한 지구온난화 문제로 지속적인 이용 및 확장에 제한이
있다. 수소는 전통적인 화석연료에 대한 유망한 대안으로 여겨지고 있다. 수소의 안정적인 장기저장을 위해서 극저온
인 포화상태에서 수소의 열역학적 물성에 대한 예측이 요구된다. 따라서 본 연구에서는 비교적 간단한 관계식을 보이
는 3차 상태방정식들을 이용하여 포화상태의 열역학적 물성들(포화증기압, 액체 및 기체의 밀도, 엔탈피 및 엔트로피)
을 모사하였다. 포화상태 수소에 대한 여러가지 열역학적 물성들을 비교한 결과 3 종류(Redlich-Kwong (RK), Soave-
Redlich-Kwong (SRK), Peng-Robinson (PR))의 상태방정식 중 SRK 모델이 비교적 정확한 예측결과를 보였다.
Fossil energy sources are limited in their sustainable use and expansion due to global warming caused by
carbon dioxide emissions. Hydrogen is considered as a promising alternative to traditional fossil fuels. To ensure the
stable long-term storage, it is necessary to accurately predict its thermodynamic properties at cryogenic temperatures.
Therefore, this study aimed to investigate thermodynamic properties, such as saturated vapor pressure and density,
enthalpy, and entropy of liquid and gas, using cubic equations of state that demonstrate relatively simple relationships.
Among the three types of equations of state (Redlich-Kwong (RK), Soave-Redlich-Kwong (SRK), and Peng-Robinson
(PR)), the SRK model exhibited relatively accurate prediction results for various physical properties.
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