Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 34, Issue 11
Displaying 1-13 of 13 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1955 Volume 34 Issue 11 Pages 615
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.615
    JOURNAL FREE ACCESS
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  • Basic Analysis of Process Control Practice
    Michio Katagiri
    1955 Volume 34 Issue 11 Pages 616-628
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.616
    JOURNAL FREE ACCESS
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    One of the current subjects in the process instrumentation is the control problem. In these ten years the theory and its application made tremendous progress.
    In fact, the automatic control brings much pay to the industry, so all kinds of process engineer have the thought that it must get familiar with them, but the mathematical theory of automatic feed-back control is not so easy to understand and is not always suitable for the process control educatton. Then the basic analysis to understand the process control practice is required.
    Some basic problems such as the typical process equation in the heat process, the “on-off” control effect to the process, 3-response controller and its application are described in this paper.
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  • Studies on Prevention of Coke Sulphur from Permeating into Pig Iron
    Tsunetaro Kato, Kenjiro Takeshita, Takahiro Tsutsui
    1955 Volume 34 Issue 11 Pages 629-632
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.629
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    The authors experimented on the prevention of coke sulphur from permeating into pig iron adding some proper desulphurizing agents-sodium carbonate and/or sodium cyanide alone or together-to foundry cokes during the smelting operation of the pig iron.
    In the method that the pig is made by heat treatment with cokes in crucible, the agent is exactly effective. Especially it has been approved excellent as sodium cyanide. While in the, ordinary method that the cupola furnace is used with air blow, the agent has showed less excellency, probably, due to its insufficient reaction. It has. been approved that the agent has not so much changed the composition of pig iron in either crucible or cupola furneace method.
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  • Washability of Coking Coals Relating to Their Sulphur, Nitrogen and Coke Button Index
    Takehiko Sato, Takashi Miyatsu
    1955 Volume 34 Issue 11 Pages 633-637
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.633
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    So far the word of washability has been used only to indicate the relation between the ash content of washed coal and its yield, but it should also have the meaning of the relation between the yield and the contents of sulphur and nitrogen and coke button index of washed coal which are the other variable factors in washing.
    The washability curves of 14 Japanese coals and 5 imported coals have been made and the results obtained are as follows:
    1) there are close relations between the inherent content of sulphur and nitrogen and the inherent coke button index and those of the original Japanese coals respectively, and
    2)the qualities of washed coal increased in general with the exception of some coals with the decrease of the yield.
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  • Spectroscopic Study of the Wall Effects of a Combustion Chamberon the Oxidation of Gasoline at Low Temperatures(II)
    Michika Miyanishi
    1955 Volume 34 Issue 11 Pages 638-645
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.638
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    In the previous report(I)subject as above, the wall effect of a combustion chamber on the oxidation of normal heptane was reported. This effect is a catalytic action of hexagonal microcrystals of the wall surface. From this action an explanation on the mechanism of this oxidation and the anti-knocking action of tetraethyl lead can be made.
    In this report the remaining results of the studies made on this catalytic action are presented. The wall effect of the oxidation of gasoline was also studied. When the wall metals, their oxides, and sulphides produce cubic or tetragonal microcrystals(not hexagonal crystals), no effect was observed. Some metals having such characteristics were found, among which lead is a good example. When the combustion chamber of a gasoline engine was coated with lead and clear gasoline used, the knocking was reduced to that when clear gasoline mixed with tetraethyl lead was used.
    By this catalytic action of microcrystal, the crystal nature of glass surface and others could be examined. By various examinations the size of the microcrystals of glass was considered to be near that of a unit cell of SiO2.
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  • Study on Lignite Humic Acids(III)On the Nitro Humic Acids.
    Kozo Higuchi, Michio Tsuyuguchi, Kazuo Asakawa
    1955 Volume 34 Issue 11 Pages 645-653
    Published: October 20, 1955
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.34.645
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    The nitro humic acids were prepared from the lignite humic acids by the action of nitric acid on various conditions, and the outline of the action of nitric acid on the humic acids were studied from the chemical natures of the various samples of the nitro humic acids. The most important reaction of nitric acid was oxidation. Hydrolysis was also comparatively important. This conclusion was made clearer by drawing the rational formulas of a few samples of the nitro humic acids, which were obtained in comparatively large quantities on a few conditions . On the other hand we found the formations of hydrogen cyanide and ammonia by the action of nitric acid on the humic acids, and estimated the quantities of them . We assumed their formation originated from the phenolic natures of the humic acids . Moreover we found that a part of diazomethan added to the nitro humic acids when the nitro humic acids were methylated by diazomethan, and we thought this fact came from the carbon and carbon double bond linkages in the nitro humic acids molecules.
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  • [title in Japanese]
    1955 Volume 34 Issue 11 Pages 654
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.654
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 11 Pages 654a
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.654a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 11 Pages 654b
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.654b
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 11 Pages 655-656
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.655
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 11 Pages 656-657
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.656
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 11 Pages 658-660
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.658
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 11 Pages 660-661
    Published: October 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.660
    JOURNAL FREE ACCESS
    Download PDF (381K)
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