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반응염료의 가수분해(I)-수용백중에서의 가수분해 거동-
박윤철,상지현,김진우,Park, Yun-Cheol,Sang, Ji-Hyeon,Kim, Jin-U 한국섬유공학회 1994 한국섬유공학회지 Vol.31 No.5
The hydrolysis behaviors of C.I. Reactive Orange 13(0-13). C.I. Reactive Orange 16(0-16) and C.I. Reactive Red 194(R-194) which contain monochlorotriazine(MCT), sulfatocthylsulfone(SES) and monochlorotriazine/sulfatoethylsulfone(MCT/SES) as functional groups, respectively, were investigated by chromatography(TLC, CC, PC, HPLC) and FT-IR. The hydrolytic behavior of R-194 was similar to that of O-16. but R-194 showed a good resistibility to hydrolysis in aqueolls dyeing solution than O-13 and O-16 due to its bifunctional reactive group.
박윤철,고광수,한유리,Park, Youn-Cheol,Ko, Gwang-Soo,Han, Yu-Ry 한국태양에너지학회 2007 한국태양에너지학회 논문집 Vol.27 No.2
The previous study was conducted to develop an air source multi heat pump system that could be operated with the solar collector and air source heat exchangers as heat source of the system. There is a winter-sowing problems in air source multi heat pump system when the outdoor temperature goes down under freezing point. The winter-sowing problem was solved by adapting R-22 refrigerant as working fluid in the previous study. However, when the system operated at high temperature, another problems are come out such as overheating of the solar collector outlet which lead to the superheat of the compressor inlet of the heat pump system. The condition could deteriorates a compressor in some case. In this study, we installed the anti-superheating devices on the previously developed system. As results of system performance test, COP of the system with anti-superheating technique is 2.4. It is a little improved COP compare to previous study's 2.23. In the results of multi heat source heating system, during operating solar collector, COP is relatively high between $200\;W/m^2$ and $400\;W/m^2$ solar intensity. It is recommended to extend the study on performance optimization with balancing the solar collect and capacity of compressor at higher solar irradiation conditions.
박윤철,박건용,김진우,Park, Yun-Cheol,Park, Geon-Yong,Kim, Jin-U 한국섬유공학회 1991 한국섬유공학회지 Vol.28 No.8
The resist and discharge behaviors of an addition type reactive dye, C.I. Reactive Blue 19, with three resisting agents in resist or discharge printing of cotton fabrics were investigated by visible spectrophotometer, FT-lR and IH-NMR. Resisting agents used were formaldehyde sodium bisulfite(FASB) , benzaldehyde sodium bisulfite(BASB) and glyoxal sodium bisulfite(GSB). It was confirmed that the resisting agents reacted with the activated vinyl sulfone group of dye and formed inactive dye complexes prior to reacting with cellulose. Three resisting agents showed good resistibility and the order was BASB > GSB > FASB.
실내온도조절을 위한 인버터 열펌프의 주파수 제어에 관한 연구
박윤철,민만기,Park, Yun-Cheol,Min, Man-Gi 대한기계학회 1997 大韓機械學會論文集B Vol.21 No.10
An experimental study on the frequency control of an inverter heat pump to get the desired indoor room temperature has been conducted for the performance characteristics during the steady, 4, 8, and 16 step frequency operations. The heat pump model used in this study was operated to meet the experimental conditions of ASHRAE standard. The performance of the system was tested by measuring the temperature and pressure of the refrigerant, and cooling capacity, power consumption, etc. of the system. As the controlling frequency steps increased, the running time of the compressor increased as well as the electric consumption of the system and the cooling energy due to the wall heating load. However, the average cooling COP was improved.
박윤철(Park, YoonChul) 한양법학회 2012 漢陽法學 Vol.23 No.1
Automobile Insurance which covers the liability arising out of automobile accident is quite different from Workers Compensation Insurance which has the purpose of covering the bodily injuries arising out of accident occurred on duty, but the problem of double payment by both insurance policies arises at the time of automobile accident. The Automobile Insurance general policy wording (Article 14-(2)-⑨-Ma) says that Automobile Insurance shall not cover bodily injuries sustained to the person if he or she is injured as an employee of insured and then is covered under Workers Compensation Insurance. Workers’ Compensation Insurance Law (Article 80-3) also stipulates that the Insurance Corporation shall not pay the insurance benefits paid by others under this law, pursuant to regulations laid out in Presidential Decree, in case that he or she receives the money equivalent to insurance benefits for the same reasons under Civil Law and other Acts. As shown in the above rules, each regulation has “Other clause” mutually excluding the indemnity liability so as to prevent the overlapping payment of liability claims if he or she(victim) is paid under other laws. If Automobile accident occurs on victim’s duty, he or she is entitled to file both Automobile Insurance and Workers’ Compensation Insurance claim respectively. However, unfortunately there have been no clear solutions or practically handling Automobile accident occurred on duty even if “other Insurance clause” is stipulated in both Automobile Insurance and Worker Compensation insurance. In that respect, I find it very necessary to come up with a rational and comprehensive improvement plan by further studying and reviewing the above problem. In other words, this paper aims at contributing to the growth of insurance industry by presenting the recommended solution when Automobile insurance and Workers’ Compensation Insurance conflict with each other in handling the accident(bodily injury claim) occurred on duty