• 한국식품영양과학회지
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• 제43권3호
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• pp.446-453
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• 2014

솔잎의 기능성을 부여한 쌀가루 가공 제품을 개발하기 위하여 동결건조 한 솔잎분말과 압착에 의한 솔잎생즙을 각각 첨가하여 쌀 마들렌을 제조하였고 이화학적, 텍스쳐 및 관능평가를 실시하였으며 제품의 항산화 활성을 비교하였다. 솔잎을 첨가한 제품의 항산화 활성이 대조군에 비해 높음을 확인하였고, 같은 소재의 솔잎도 첨가되는 물질의 상태가 달라 제품의 품질에 유의적인 영향을 주었다. 마들렌의 비체적은 솔잎분말을 첨가하였을 때를 제외하고 모두 증가하였으며 텍스쳐도 유의적인 차이를 보였다. 본 연구를 통해 쌀 마들렌의 선호도는 솔잎분말 첨가 제품이 더 좋게 평가되었다. 위의 결과 솔잎의 향과 맛을 가지고 항산화 활성이 있는 솔잎 쌀 마들렌을 제조하려면 솔잎분말을 쌀가루에 대해 0.6~1.8%, 솔잎생즙 0.6% 첨가한 것이 전체적인 선호도가 높았으며 그중 솔잎향과 전체적인 맛이 높은 쌀 마들렌은 솔잎분말을 쌀가루에 대해 1.2% 첨가하는 것임을 알 수 있었다.

• 한국조명전기설비학회:학술대회논문집
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• 한국조명전기설비학회 2001년도 학술대회논문집
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• pp.193-197
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• 2001

In this paper, reduction characteristics of the ac flashover voltage in the horizontal air gap of sphere-sphere and needle-needle electrode system were investigated when the combustion flame was present near the high-voltage electrodes. The reduction characteristics of ac flashover voltage were discussed with thermal ionization process, the relative air density and the deflection phenomena in the shape of flames that changed by the corona wind and coulomb's force. As the results of an experimental, It was found that the reduction of flashover voltage in sphere-sphere system, in comparison with the no-flame case, are 79.9 [%] for k=0, 82.9 [%] for k=0.5, 87.5 [%] for k=1.0, 85.0 [%] for h=0 [cm], 40.8 [%] for h=5 [cm] and 28.2 [%] for h=9 [cm] when ac voltage is applied.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1996년도 하계학술대회 논문집 C
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• pp.1870-1872
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• 1996

This paper presents dielectric characteristics of $SF_6$ gas stressed by the non-oscillating and oscillating impulse voltages in inhomogeneous fields disturbed by metallic protrusion. The propose of this investigation is to present the predischarge development and dielectric characteristics of $SF_6$ gas under VFTOs. The experiments were carried out using a needle-to-plane and two needles-to-plane gap geometries in the gas pressure ranges from 0.1 to 0.5 MPa. The gap separation was 22 mm and the needle-shaped protrusions were made of stainless steel 10 mm in length and 1.0 mm in diameter. As a result, it was found that the breakdown mechanism and predischarge current are principally dependent on applied voltage waveform and polarity.

• 한국전기전자재료학회논문지
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• 제14권12호
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• pp.1041-1047
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• 2001

In this paper, reduction characteristics of the ac flashover voltage in the horizontal air gap of sphere-sphere/needle-needle electrode system were investigated when the combustion flame was present near the high-voltage electrodes. The voltage and current waveforms were measured, when the flashover is occurred, in order to examine the flashover polarity by flame. The reduction characteristics of ac flashover voltage were discussed with the thermal ionization process, the relative air density and the deflection phenomena in the shape of flames that changed by the corona wind and coulomb\`s force. As the results of an experimental investigation, It was found that the reduction of flashover voltages in sphere-sphere system, in comparison with the no-flame case, are 79.9 [%] for k=0, 82.9 [%] for k=0.5, 87.5 [%] for k=1.0, 85.0 [%] for h=0 [cm], 40.8 [%] for h=5 [cm] and 28.2 [%] for h=9 [cm] when ac voltage is applied.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2000년도 하계학술대회 논문집 C
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• pp.1581-1583
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• 2000

In this paper, we proposed a surface discharge FFL with the new electrode structure like the needle shaped electrode as the variation of cell structure to high luminance and low power consumption. In comparison with different electrode structure it has low discharge voltage and current and good optical characteristics. So it has better discharge characteristics than different surface discharge FFL and can be fungible of backlight as a lighting source in LCDs.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1996년도 추계학술대회 논문집 학회본부
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• pp.282-284
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• 1996

This paper presents prebreakdown characteristics of $SF_6$ gas stressed by the non-oscillating and oscillating impulse voltages in inhomogeneous fields disturbed by metallic protrusion. The purpose of this investigation is to present the predischarge development and dielectric characteristics of $SF_6$ gas under VFTOs. The experiments were carried out using a needle-to-plane gap geometries in the gas pressure ranges from 0.1 to 0.5 MPa. The gap separation was22 mm, and the needle-shaped protrusions were made of stainless steel 10 mm in length and 1.0 mm in diameter. As a result, it was found that the breakdown mechanism and predischarge current are principally dependent on applied voltage waveform and polarity.

• E2M - 전기 전자와 첨단 소재
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• 제8권5호
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• pp.564-571
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• 1995

This paper deals with the arc discharge characteristics of kerosene oil as a basic study on electrical discharge machine. Using needle electrode the discharge voltage, discharge current, discharge energy and the shape of discharge crater are measured. In consequence, it becomes clear that the discharge crater(depth, height, diameter) is depending on the discharge energy. Rapid increase in depth, height and diameter of discharge crater was observed during initial discharge, where discharge energy is large. However, rather slow decrease of those values was found when discharge energy is low or N is more than 3. As the ratio of $I_p$$T_on$ increase, the shape of discharge crater gets near circle. The protuberances of the discharge crater were not formed by the melted needle electrode but by the that of work piece.

• 한국섬유공학회:학술대회논문집
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• 한국섬유공학회 1998년도 가을 학술발표회논문집
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• pp.402-405
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• 1998

Among the production technologies of nonwoven fabrics, a needle punching technique has one of the long history aid holds still important place. At the present time, it is used not only for scrimming with woven or knitted fabrics and other nonwoven fabrics, but also for applying the special fibers blending nonwovens at the web forming process in ender to manufacture economical and high value added-Products such as home furnishing industrial and technical purpose. (omitted)

• 한국소성가공학회:학술대회논문집
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• 한국소성가공학회 1997년도 추계학술대회논문집
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• pp.176-181
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• 1997

During a compression molding of continuous fiber reinforced composites, the separation of matrix and fiber is caused by the flow of the molding process. As the characteristics of the products are greatly dependent on the separation, it is very important to clarify the separation in relation to molding condition, degree of needle punching number on the degree of nonhomogeneity are studied.

• 한국화재소방학회:학술대회논문집
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• 한국화재소방학회 2008년도 춘계학술논문발표회 논문집
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• pp.298-302
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• 2008

본 연구에서는 강원도 영동지역 주요 7가지 수종의 낙엽과 생엽을 대상으로 착화특성을 고찰하고자 강우 전과 후의 연료를 채취하여 연료의 함수율과 가연성과의 관계, KRS-RG-9000을 사용하여 착화특성을 고찰하였다. 시험결과 침엽수 낙엽은 강우 후 대기노출로부터 상온에서 144시간 경과 시 함수율이 10% 이하로 건조되어 가연성 물질이 발생할 수 있을 정도로 건조됨을 알 수 있었으며 활엽수는 자연발화온도가 높게 나타남에 따라 저온에서 착화지연시간이 길게 나타나 침엽수보다 내화력이 강함을 알 수 있었다.