Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 54, Issue 4
Displaying 1-8 of 8 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1975 Volume 54 Issue 4 Pages 209
    Published: April 20, 1975
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.54.209
    JOURNAL FREE ACCESS
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  • The Past and Future of Energy Conversion
    Naotsugu Isshiki
    1975 Volume 54 Issue 4 Pages 210-218
    Published: April 20, 1975
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.54.210
    JOURNAL FREE ACCESS
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    The technological history of human can be said to be that of energy and energy conversion.
    In this paper the various kinds and shapes of energy and their natural resources are clasified in several categories through various view points, then the total energy conversion system of today is graphically explained in one block diagram.
    The energy conversion system is said to be consisted of the primary energy resources, the primary energy conversion method, the secondary energy shapes as the working fluids, the final energy conversion method at the out put points, and the final energy shapes for utilisation, and each parts is discussed from wide and general looking point.
    At the end of this paper, the recent topics and some author's dreams on energy conversion including energy storage systems are shown, where the idea of “reversal stove” should be very interesting.
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  • Utilization of LNG Cold
    Yoohei Yamamoto
    1975 Volume 54 Issue 4 Pages 219-230
    Published: April 20, 1975
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.54.219
    JOURNAL FREE ACCESS
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    So far cold from LNG imported into Japan has been used only for the production of liquid oxygen, liquid nitrogen and at the refrigerated warehouse at Tokyo Gas's Negishi works.
    Similar projects are currently planned at Sodegaura, Chiba, and at Semboku, Osaka.
    However even if all these planned projects are realised, they will together use only a very small percentage of the LNG cold which is available.
    Therefore in the interests of energy and resources conservation, it will be desirable to develop other projects which can use LNG cold in applications such as freezing of food stuffs; crushing of metal wastes; and sea water desalination.
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  • Unstable Phenomena of Flame and Combustion Noise
    Kenjiro Suzuki
    1975 Volume 54 Issue 4 Pages 231-238
    Published: April 20, 1975
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.54.231
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    Among others, blow-out of flame and oscillatory combustion are important unstable phenomena of flame. In the first place of this article, it is pointed out that the blow-out limit isremarkably affected by the occurrence of oscillatory combustionafter some typical examples of blow-out are mentioned about. The second part of this article deals with combustion noise.Since the oscillatory combustion is the main cause of combustion noise, it is separately discussed in the last part of this paper. Firstly, a simple theory is presented regarding how theoscillation can be self-excited. From its view point, an explanation is given as to why some proposed measures are effiicient to suppress the oscillation. Secondly, Some examples of method milding the oscillation are presented.
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  • Recent Aspects in Development of NO Air Pollution Control Technologies for Stational Sources by wet Method in Japan
    Akio Takashima, [in Japanese], [in Japanese]
    1975 Volume 54 Issue 4 Pages 239-249
    Published: April 20, 1975
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.54.239
    JOURNAL FREE ACCESS
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    Many technologies by wet method have been unrer the develop-ment with much efforts to respond to governmental regulation which has been officia-lized in 1973 with environmental standard of 0.02ppm effective in 1978.
    Since it has been made clear that the catalitic reduction with NH3 should have limitations, reliable performances of wet method have been becomming more attractive.
    Basic principle of wet method can be divided into five groups applying either direct removal of NO or NOx, or combinations fo gas phase oxidation of NO to higher oxides and liquid phase chemical reactions.
    The most serious point of interests at present are liquid waste treatment and simultaneous removal of SOx. There are more than 30 companies engaged in extensive development, some of them with sponsorships from electric power companies and or subsidy from goverment, depending on one of those or combination of two or three principles, however, because of flexibilities and freedom of wet method, it is still difficult to evaluate the suitabiltty or adoptabiliity of each process to each of stational NOx sources which also have wide range of variation.
    In this report, basic principles and efficiencies of NOx removal are compared to some extents, major activities of development are introduced, and the characteristic points important for air pollution control processes and plants are discussed.
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  • Carbon Adherence on to the Silica Brick of the Coke Oven
    Isao Mochida, Keiko Maeda, Kenjiro Takeshita, Toshiaki Okuhara
    1975 Volume 54 Issue 4 Pages 250-256
    Published: April 20, 1975
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.54.250
    JOURNAL FREE ACCESS
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    The quantity and quality of carbon adhered to a silica brick during the coking process of tar oils were studied from the viewpoint of the chemical structure of the coking oil and the nature of bricks. The tar light oil gave adhered carbon twice as much as the carbolic or anthracene oil did. Carbon deposited on tridymite and cristobalite bricks from the naphthalene oil showed the cone structure which was characteristics to the pyrolytic carbon. Crystal growth seems much faster on the tridymite than on the cristobalite. Metal-like lustrous carbon formed on the brick was liable to be torn off together with the surface grains. Such a tendency was more marked on the tridymite than on the cristobalite. This difference may be conneted with two facts revealed by microscopic observation. 1. Carbon formed on the tridymite was much harder than that on the cristobalite. 2. Penetration of gaseous hydrocarbon in the tridymite occurred along the direction of weak connection among grairns, whereas it occurred homogeneously over all region of the cristobalite.
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  • [title in Japanese]
    [in Japanese]
    1975 Volume 54 Issue 4 Pages 257-261
    Published: April 20, 1975
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.54.257
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1975 Volume 54 Issue 4 Pages 267-271
    Published: April 20, 1975
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.54.267
    JOURNAL FREE ACCESS
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