All issues
Volume 17 (1986 - 198･･･
- Issue 3 Pages 4-
- Issue 2 Pages 3-
- Issue 1 Pages 5-
Volume 17, Issue 1
Displaying 1-9 of 9 articles from this issue
- |<
- <
- 1
- >
- >|
-
Moisture content and surface conditionsFumito TAKAGI, Kiyoshi MINAMI1986 Volume 17 Issue 1 Pages 5-15
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSSoybeans, divided soybeans and dust were selected from those imported from the U. S., were stored for year under different temperature and humidity conditions [20°C (33, 43, 56, 66, 79, 94% R. H.) and 30°C (32, 43, 52, 59, 78, 92% R. H.)]. The surface characteristics, that is the solidity of the dust and the moldy area of soybeans, were observed. Their moisture content was measured.
The results of the analysis showed the existence of a strong correlation between the grade of the moldy area and the moisture content of soybeans. Using the method of multiple linear regression, the formula which can evaluate the change in the moisture content of soybeans during one year at any temperature and humidity was able to be obtained.
The effect of temperature, humidity and the length of the storage time for the value of the moisture content and the grade of the moldy area of soybeans, were analyzed using the method of variance analysis. The constant value of the Henderson's equation was obtained from the experimental value of the moisture content, in which soybeans were stored for 10 months.View full abstractDownload PDF (2844K) -
Germination, NSI and AVFumito TAKAGI, Kiyoshi MINAMI1986 Volume 17 Issue 1 Pages 16-25
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSSoybeans and divided soybeans selected from those imported from the U. S., were stored for a year under constant temperature and humidity conditions [20°C (33, 43, 56, 66, 79, 94% R. H.) and 30°C (32, 43, 52, 59, 78, 92 % R. H.)]. The germination percentage, nitrogen solubility index (NSI) and acid value (AV) of the samples were measured.
The effects of the factors on the above characteristics were evaluated using the variance analysis method and the following results were obtained.
(i) It is important to control the temperature and humidity so as to minimize on the quality change in soybeans during times when they are stored for the long periods of the time.
(ii) It is very important to control the humidity, especially, for minimizing any quality change in the NSI and AV of soybeans stored for long periods of time.
(iii) Quality change rate of divided soybeans are greater than non-divided soybeans.
Using the method of multiple linear regression, the formula which can evaluate the change in the germination percentage and NSI of soybeans during one year at any temperature and humidity were able, to be obtained.View full abstractDownload PDF (1136K) -
Consideration for master planningYutaka KITAMURA, Takaaki MAEKAWA, Singo YAMAZAWA1986 Volume 17 Issue 1 Pages 26-33
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSIt is economically difficult to apply methane fermentation system to the rural area of various regions for obtaining the alternative energy to replace oil. In order to maximize the benefit of methane fermentation system, the waste treatment should be included as part of the methane fermentation system in addition to the generation of energy. Thus, the advantages of environmental protection and biomass utilization can be observed simultaneously. A master plan for methane fermentation is summarized as follows;
1. Agricultural waste management method based on the different disposal ways of various rural area in the region.
2. Incorporating methane fermentation system under different disposal methods for various rural area in the region.
3. Optimization of methane fermentation process incorporated in the various disposal methods using linear programming.View full abstractDownload PDF (750K) -
Haruo ESAKI, Takaaki SATAKE, Shotaro YUZAWA, Kangquan GUO, Mikio YASHI ...1986 Volume 17 Issue 1 Pages 34-41
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSSix compacting plants for the pulverization of bark and stem of conifers or broadleaf trees as well as compression and production of pellets were seleted. The layout of equipment of these plants, the conditions of operation, the structure and efficiency of the compacting machine and physical properties of the pellets were investigated.
Effect of the variety of tree, particle size and water content of raw material fed to the compacting machine on the efficiency of the machine and the strength of the pellet was analysed.View full abstractDownload PDF (945K) -
On the Dust Collection Efficiency for Long Time Load and to the Airborne Grain Dust in the Co-operative FacilitiesTomoyuki SENO, Yoshiyasu AIHARA1986 Volume 17 Issue 1 Pages 42-45
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSIt was measured to develop the bubble dust collector (BDC) for practical use that the change of the dust collection efficiency on the case of continuity dust load, and collection efficiency to the airborne grain dust in the co-operative facilities.
It was proved that the fundamental collection efficiency of the BDC was not changed for the dust load with continuously, and was recognized 4-6% of the performance declination to the airborne grain dust.
From the particle-size analyses of the dust, the ratio of E/O and C/O was gained. From these data, it was recognized that the lower performance of dust collection of the model equipment was estimated as about 95%.View full abstractDownload PDF (431K) -
Makoto NARA, Kazuhiko ABE1986 Volume 17 Issue 1 Pages 46-64
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSThe authors investigated the characteristcs of transparent adiabatic walls which had heat reflecting film.
16 wall models were prepared for testing, 11 of them belonged to the type consisting of glass plus heat reflecting film, the others, the type consisting of plastic film plus heat reflecting film.
All models were tested by means of a thermal box and a net-radiometer, so overall heat transmission through the wall could be resolved into it's radiant component and it's convective component.
The optimum layout of the heat reflecting film was obtained so as to minimize radiant heat transmission in the wall.
A model superior to the usual system, i. e. double courtains, was recongnized from various viewpoints (transparancy, thermal insullation, sun screening, static, etc.)
Gases suitable for use on minimizing gas heat transmission in the wall were identified by tests made with the gas enclosure.View full abstractDownload PDF (3738K) -
Ritsuya YAMASHITA, Kiyokazu GOTO, Xihen XU, Yongguan LI1986 Volume 17 Issue 1 Pages 65-72
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSWhen I visited Harbin city, China, in 1984, I investigated corn drying facility for seeds. A non-circulation reversible air flow type dryer was used. Since there are some problems in drying rate, drying method and so on, I decided to carry out a technical check, after which the following technical faults were found out:
1) The average drying rate is very low, 0.25%/h. This was caused by low capacity of the heating furnace, low ratio of air flow to grain and significant heat loss.
2) Unshelled corn was dried in this facility. The unshelled corn is very difficult to dry, especially with this low drying rate.
To improve the drying performance, two stages drying method can be adopted, in which the drying is performed before and after shelling. In this way, the drying rate of about 2%/h could be obtained by using the newly made dryer.View full abstractDownload PDF (2288K) -
Ji-Chung WU, Toshinori KIMURA, Hiroshi SHIMIZU1986 Volume 17 Issue 1 Pages 73-79
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSThe equilibrium moisture contents as a fundamental property during desorption and absorption of moisture in rough rice, hulled rice and hulls were measured to explicate the drying and storage processes of rough rice in a low-temperature and high-humidity condition. On the basis of the measured results, normalization of the equilibrium moisture content was attempted using the equation of Chung. In addition, the equilibrium moisture content in rice covered by the hull was estimated from the material balance.View full abstractDownload PDF (742K) -
Measurement and SimulationLimi MURAKAMI, Makoto NARA, Sadanori SASE1986 Volume 17 Issue 1 Pages 80-85
Published: August 30, 1986
Released on J-STAGE: September 05, 2011
JOURNAL FREE ACCESSDownload PDF (714K)
- |<
- <
- 1
- >
- >|