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연속 연소장치에 있어서 화염의 안전성에 관한 실험적 연구
김용수,이근오,양옥용 한국산업안전학회 1987 한국안전학회지 Vol.2 No.1
An experimental study was made of flame stabilization in unconfined turbulent swirling propane gas flames using various degrees of swirl and equivalence ratios. This study was carried out to investigate the effects of swirl number and equivalence ratio on the flow characteristics and the combustion characteristics in both nonreacting and reacting flow field of the model combustor which symplifys the continuous type combustor for the practical use.
김용수,심근정 한국정원학회 2000 한국전통조경학회지 Vol.18 No.3
This study is to provide an aspect to the fundamental information for the opening and the reforming process of the Namsan park in Kimchen city, located in the western parts of the Kyung-Buk Province in Korea. The Namsan park is located in the centre parts of the Kimchen city. It was opened for Japanese before or after in 1910. During the periods of the Japan's colonial policy, this park was made up theirs holy place by Japanese. After the restoration of independence, a part of the park sites was leased to a school(Sion academy), and then it was disposed of that school in 1956. In 1963, the Namsan park was reopened by the campaign of the citizen of Kimchen, and then was reformed several times by the citizens' endeavors and the administration supports. At this time, the Namsan park is a famous place in Kimchen city.
김용수 대한영상의학회 1989 대한영상의학회지 Vol.25 No.6
Radionuclide cisternography has the ability to show the CSF dynamics and it can be used to differentiate the various forms of hydrocephalus. The authors reviewed 52 cases of RI cisternography by using Tc-99m-DTPA. The following results are obtained. 1. RI cisternography has been used to differentiate 38 cases of communicating hydrocephalus and 13 cases of noncommunicating hydrocephalus. 2. Gradings of communicating hydrocephalus according to Harwood-Nash classification show the zero case of grade 1, 2 cases of grade 2, 10 cases of grade 3 and 26 cases of grade 4 Among these 8 cases of grade 3 and 4 show symptom improvement after shunt operation. RI cisternography of noncommunicating hydrocephalus shows normal finding in 13 cases among but shunt malfunction was identified in 1 cases. 4. 2 cases of porencephalic cyst and 1 cases of arachnoid cyst show accumulation of radioactive-ity at the cyst in delayed scan. In conclusion RI cisternography is useful to differentiate communicating from noncommuni-cating hydrocephalus and to evaluate cerebral atrophic change and circulating disturbance of CSF in combination with Brain CT. The degree of CSF flow disturbance evaluated by RI cisternography can be used to plan the treatment which require shunt operation. RI cisternogra-phy can also be applicable to study the patency of shunt arachnoid cyst porencephalic cyst. and site of CSF leakage.