Green hydrogen as an environmentally-friendly power source

Q2 Engineering

INCAS Bulletin Pub Date : 2023-06-09 DOI:10.13111/2066-8201.2023.15.2.13

B. A. Nicolin, I. Nicolin

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Abstract

Hydrogen is the most plentiful chemical element in the visible universe. The mass composition of the visible universe is approximately 74% hydrogen, 24% helium, 1% oxygen, and the rest of all other chemical elements is about 1%. Hydrogen has the symbol H and the atomic number 1. It is placed in the first position in Mendeleev's periodic table of elements, in the upper left corner. It is an easily flammable, colorless, tasteless, odorless gas, and in nature, it is found mainly in the form of the diatomic molecule, H 2. With an atomic mass unit of 1.00794, hydrogen is the lightest chemical element. Etymologically, the word hydrogen is a combination of two Greek words hydor and gennan meaning: water producer. Hydrogen (H 2) has a very good calorific value per mass unit 143 MJ/kg which is 3.33 times more than the calorific value of kerosene or diesel fuel. Green hydrogen (clean hydrogen or renewable hydrogen) is produced by electrolysis of water (splitting of water into hydrogen and oxygen) using electricity from renewable sources such as solar energy, wind energy, seawater waves energy, or tidal power. Green hydrogen is an environmentally-friendly power source (no harmful gases). This paper presents recent documentary research by the authors on green hydrogen as an environmentally-friendly power source: for space rocket launches and for hydrogen fuel cells used in the space shuttle as electrical power generators and drinking water generators from launch to return from the space mission; as fuel for a modified turboprop engine (Rolls-Royce and easyJet); as fuel for the European Destinus aircraft using the Jungfrau technology system for a planned hypersonic aircraft using a modified commercial afterburning engine; as fuel for modified gas turbine engines and hydrogen fuel cells to supply electrical power to supplement the gas turbine for the Airbus ZEROe aircraft, etc.

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绿色氢作为一种环保能源

氢是可见宇宙中最丰富的化学元素。可见宇宙的质量组成约为74%的氢、24%的氦、1%的氧，其余所有其他化学元素约为1%。氢的符号为H，原子序数为1。它被放在门捷列夫元素周期表的第一个位置，在左上角。它是一种容易燃烧、无色、无味、无臭的气体，在自然界中，它主要以双原子分子H2的形式存在。氢的原子质量单位为1.00794，是最轻的化学元素。从词源上讲，氢这个词是两个希腊单词hydor和gennan的组合，意思是：水生产者。氢（H2）的每质量单位热值为143MJ/kg，是煤油或柴油热值的3.33倍。绿氢（清洁氢或可再生氢）是通过使用太阳能、风能、海水波浪能或潮汐能等可再生能源的电力电解水（将水分解为氢气和氧气）而产生的。绿氢是一种环保能源（无有害气体）。本文介绍了作者最近关于绿色氢作为一种环保能源的文献研究：用于太空火箭发射，以及用于航天飞机的氢燃料电池，从发射到航天任务返回，用作发电机和饮用水发电机；作为改进型涡轮螺旋桨发动机（罗尔斯·罗伊斯和易捷航空）的燃料；作为欧洲Destinus飞机的燃料，该飞机使用少女峰技术系统，用于计划中的使用改良商用加力发动机的高超音速飞机；作为改进型燃气轮机发动机的燃料和氢燃料电池，为空客ZEROe飞机的燃气轮机提供电力补充等。

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来源期刊

INCAS Bulletin Engineering-Aerospace Engineering

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： INCAS BULLETIN is a scientific quartely journal published by INCAS – National Institute for Aerospace Research “Elie Carafoli” (under the aegis of The Romanian Academy) Its current focus is the aerospace field, covering fluid mechanics, aerodynamics, flight theory, aeroelasticity, structures, applied control, mechatronics, experimental aerodynamics, computational methods. All submitted papers are peer-reviewed. The journal will publish reports and short research original papers of substance. Unique features distinguishing this journal: R & D reports in aerospace sciences in Romania The INCAS BULLETIN of the National Institute for Aerospace Research "Elie Carafoli" includes the following sections: 1) FULL PAPERS. -Strength of materials, elasticity, plasticity, aeroelasticity, static and dynamic analysis of structures, vibrations and impact. -Systems, mechatronics and control in aerospace. -Materials and tribology. -Kinematics and dynamics of mechanisms, friction, lubrication. -Measurement technique. -Aeroacoustics, ventilation, wind motors. -Management in Aerospace Activities. 2) TECHNICAL-SCIENTIFIC NOTES and REPORTS. Includes: case studies, technical-scientific notes and reports on published areas. 3) INCAS NEWS. Promote and emphasise INCAS technical base and achievements. 4) BOOK REVIEWS.