• Title/Summary/Keyword: Tumbler Type

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Characteristics of the Dependent Variables due to the Conditions of the Independent Variables of Coating Process During the Producing of Snack Using Rice Collet Added with Dried Shrimp (마른새우첨가 쌀 collet을 이용한 스낵 제조 시 코팅공정 독립변수의 조건변화에 따른 종속변수의 특징)

  • JE, Hae-Soo;YOON, Moon-Joo;LEE, Jae-Dong;KANG, Kyung-Hun;JUNG, Hee-Bum;PARK, Si-Young;PARK, Jin-Hyo;KIM, Jeong-Gyun
    • Journal of Fisheries and Marine Sciences Education
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    • v.27 no.6
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    • pp.1822-1831
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    • 2015
  • This study was carried out to optimize coating process of the rice snack added with dried shrimp powder by using single extruder. A total of 8 independent variables were used for 4 independent variables of edible oil coating and 4 independent variables of seasoning coating. 4 independent variables for edible oil coating were set up as 10, 15, 20, 25 and 30% for the content of edible oil; 40, 50, 60, 70 and $80^{\circ}C$ for the tumbler temperature; 60, 70, 80, 90 and 100 rpm for the tumbler speed; 2, 3, 4, 5 and 6 min for the coating time. 4 independent variables for seasoning coating were set up as 2, 3, 4, 5 and 6% for the content of seasoning; 40, 50, 60, 70 and $80^{\circ}C$ for the tumbler temperature; 50, 60, 70, 80 and 90 rpm for the tumbler speed; 2, 3, 4, 5 and 6 min for the coating time. The characteristics of the dependent variables as coating yield and Breaking ratio of collet due to the condition changes of the independent variable was studied during process of edible oil coating and seasoning coating, respectively. As a results of this study, 20% of edible oil content, $70^{\circ}C$ of tumbler temperature, 80 rpm of tumbler speed, 4 min of coating time for process of edible oil coating, 3% of seasoning content, $60^{\circ}C$ of tumbler temperature, 70 rpm of tumbler speed, 3 min of coating time for process of seasoning coating were found to be the most preferable over other independent variables for the production of snack. In conclusion, it is necessary to set the independent variable in order to produce the high quality snack added with the rice as the main raw material and dried shrimp, edible oil and seasoning as the sub-materials.

The experimental study of the performance characteristics of a tumbler type laundry dryer (통기드럼형 의류용 건조기의 성능특성에 관한 실험적 연구)

  • Jang, Yong-Soo;Lee, Sang-Won;Kim, Soo-Yeon;Jung, Pyung-Suk
    • Proceedings of the KSME Conference
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    • 2000.04b
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    • pp.187-192
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    • 2000
  • The textile which is rotated in the tumbler dryer is dried by the heated air. the energy consumption for drying textile depends on various parameters. The objective of this study is to save the energy and the drying time. One of the various methods for energy saving is EGR(exhaust gas recirculation). We set the drying equipment for this study and perform the experimental study with the changes of the recirculation rate, the input power, and the air mass flow rate. We found the optimal drying conditions.

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Thermoelectric Properties of PbTe Sintered Body Fabricated by Mechanical Alloying Process (기계적합금화 공정에 의해 제조된 PbTe 소결체의 열전특성)

  • 이길근;정해용;이병우
    • Journal of Powder Materials
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    • v.8 no.2
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    • pp.110-116
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    • 2001
  • Abstract To investigate the effect of mechanical alloying process to thermoelectric properties of PbTe sintered body, Pb-Te mixed powder with Pb : Te : 1 : 1 composition was mechanically alloyed using tumbler-ball mill. Thermoelectric properties of the sintered body were evaluated by measuring of the Seebeck coefficient and specific electric resistivity from the room temperature to 50$0^{\circ}C$. Sintered body of only mechanically alloyed PbTe powder showed p-type behavior at the room temperature, and occurred type transition from p-type to n-type at about 30$0^{\circ}C$. PbTe sintered body which was fabricated using heat treated powder in $H_2$ atmosphere after mechanical alloying showed stable n-type behavior under 50$0^{\circ}C$. N-type PbTe sintered body fabricated by mechanical alloying process had 4 times higher power factor than that fabricated by the melt-crushing process. Application of a mechanical alloying process to fabricate of n-type PbTe thermoelectric material seemed to be useful to increase the power factor of PbTe sintered body.

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