РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ
The efficiency of combustion of liquid fuels in heat engines is determined by their hydrocarbon composition. The rate of combustion and the completeness of combustion depend on the hydrocarbon composition of the fuel. One of the ways to increase the efficiency of combustion of fu...
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| Date: | 2019 |
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V.I.Vernadsky Institute of General and Inorganic Chemistry
2019
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| Online Access: | https://ucj.org.ua/index.php/journal/article/view/108 |
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oai:ojs2.1444248.nisspano.web.hosting-test.net:article-1082019-12-24T08:25:31Z REGRESSION EQUATIONS FOR CALCULATING THE SOLUBILITY OF HYDROGEN IN LIQUID FUELS РЕГРЕССИОННЫЕ УРАВНЕНИЯ ДЛЯ РАСЧЕТА РАСТВОРИМОСТИ ВОДОРОДА В ЖИДКИХ ТОПЛИВАХ РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ Leybovych, Lev Yevstigneyev, Yurii hydrogen, fuel, solubility, regression dependences. The efficiency of combustion of liquid fuels in heat engines is determined by their hydrocarbon composition. The rate of combustion and the completeness of combustion depend on the hydrocarbon composition of the fuel. One of the ways to increase the efficiency of combustion of fuel is to use fuel-hydrogen mixtures. The use of such mixtures gives prerequisites for low-temperature self-ignition of fuel droplets (about 590 °C). Preheating of the fuel gives the possibility of "explosive" combustion with increasing of the temperature up to 2500 K in 0.02 –. 0.04 ms. This leads to the intensification of heavy fuel combustion. The use of fuel-hydrogen mixtures allows to obtain a low level of harmful emissions with flue gases and to reduce emissions: CO and CH – not less than 15%, CO2 – not less than 20%. A promising direction for the creation of such mixtures is the direct dissolution of hydrogen in liquid fuel. This simplifies the flow of the fuel-hydrogen mixture into the combustion chamber of the heat engine or into the cylinders of the internal combustion engines. Analysis of previous studies showed the possibility of obtaining a single form of regression dependence for calculations of the dissolution of hydrogen in liquid fuels. The processing of the literature data and the results of our own research gave a set of regression equations for calculating the solubility of hydrogen in liquid fuels: gas, diesel, fuel oil, LVGO, HVGO, GDAR, ABVB. The obtained regression dependencies show that with increasing average molecular weight the solubility of hydrogen in the fuel decreases. These regression dependencies make it possible to obtain baseline data for the design of fuel systems for supplying fuel and hydrogen mixtures to combustion chambers of heat engines. Studies of hydrogen-diesel have shown a decrease in the flash fuel temperature by 10 – 15 oC by comparison with pure fuel. For heavy fuels, this level of reduction of the fuel round is not sufficient. Therefore, it is necessary to conduct further studies on the intensification of the process of dissolution of hydrogen in heavy fuels. This will significantly reduce energy costs for the organization of the combustion process. V.I.Vernadsky Institute of General and Inorganic Chemistry 2019-12-16 Article Article Physical chemistry Физическая xимия Фізична xімія application/pdf https://ucj.org.ua/index.php/journal/article/view/108 10.33609/0041-6045.85.11.2019.110-116 Ukrainian Chemistry Journal; Vol. 85 No. 12 (2019): Ukrainian Chemistry Journal; 110-116 Украинский химический журнал; Том 85 № 12 (2019): Украинский химический журнал; 110-116 Український хімічний журнал; Том 85 № 12 (2019): Український хімічний журнал; 110-116 2708-129X 2708-1281 en https://ucj.org.ua/index.php/journal/article/view/108/72 |
| institution |
Ukrainian Chemistry Journal |
| baseUrl_str |
|
| datestamp_date |
2019-12-24T08:25:31Z |
| collection |
OJS |
| language |
English |
| topic_facet |
hydrogen fuel solubility regression dependences. |
| format |
Article |
| author |
Leybovych, Lev Yevstigneyev, Yurii |
| spellingShingle |
Leybovych, Lev Yevstigneyev, Yurii РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ |
| author_facet |
Leybovych, Lev Yevstigneyev, Yurii |
| author_sort |
Leybovych, Lev |
| title |
РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ |
| title_short |
РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ |
| title_full |
РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ |
| title_fullStr |
РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ |
| title_full_unstemmed |
РЕГРЕСИВНІ РІВНЯННЯ ДЛЯ РОЗРАХУНКУ РОЗЧИННОСТІ ВОДНЮ В РІДКИХ ПАЛИВАХ |
| title_sort |
регресивні рівняння для розрахунку розчинності водню в рідких паливах |
| title_alt |
REGRESSION EQUATIONS FOR CALCULATING THE SOLUBILITY OF HYDROGEN IN LIQUID FUELS РЕГРЕССИОННЫЕ УРАВНЕНИЯ ДЛЯ РАСЧЕТА РАСТВОРИМОСТИ ВОДОРОДА В ЖИДКИХ ТОПЛИВАХ |
| description |
The efficiency of combustion of liquid fuels in heat engines is determined by their hydrocarbon composition. The rate of combustion and the completeness of combustion depend on the hydrocarbon composition of the fuel. One of the ways to increase the efficiency of combustion of fuel is to use fuel-hydrogen mixtures. The use of such mixtures gives prerequisites for low-temperature self-ignition of fuel droplets (about 590 °C). Preheating of the fuel gives the possibility of "explosive" combustion with increasing of the temperature up to 2500 K in 0.02 –. 0.04 ms. This leads to the intensification of heavy fuel combustion. The use of fuel-hydrogen mixtures allows to obtain a low level of harmful emissions with flue gases and to reduce emissions: CO and CH – not less than 15%, CO2 – not less than 20%. A promising direction for the creation of such mixtures is the direct dissolution of hydrogen in liquid fuel. This simplifies the flow of the fuel-hydrogen mixture into the combustion chamber of the heat engine or into the cylinders of the internal combustion engines. Analysis of previous studies showed the possibility of obtaining a single form of regression dependence for calculations of the dissolution of hydrogen in liquid fuels. The processing of the literature data and the results of our own research gave a set of regression equations for calculating the solubility of hydrogen in liquid fuels: gas, diesel, fuel oil, LVGO, HVGO, GDAR, ABVB. The obtained regression dependencies show that with increasing average molecular weight the solubility of hydrogen in the fuel decreases. These regression dependencies make it possible to obtain baseline data for the design of fuel systems for supplying fuel and hydrogen mixtures to combustion chambers of heat engines. Studies of hydrogen-diesel have shown a decrease in the flash fuel temperature by 10 – 15 oC by comparison with pure fuel. For heavy fuels, this level of reduction of the fuel round is not sufficient. Therefore, it is necessary to conduct further studies on the intensification of the process of dissolution of hydrogen in heavy fuels. This will significantly reduce energy costs for the organization of the combustion process. |
| publisher |
V.I.Vernadsky Institute of General and Inorganic Chemistry |
| publishDate |
2019 |
| url |
https://ucj.org.ua/index.php/journal/article/view/108 |
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2025-09-24T17:43:22Z |
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2025-09-24T17:43:22Z |
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