• 제목/요약/키워드: Warm

검색결과 3,362건 처리시간 0.032초

온침 열특성의 기류 영향에 관한 연구 (Study of Air Flow Effects on Heat Characteristics of Warm Needle Acupuncture)

  • 김정우;이혜정;이승호
    • Korean Journal of Acupuncture
    • /
    • 제27권4호
    • /
    • pp.35-47
    • /
    • 2010
  • Objectives : To characterize the thermal properties of traditional warm needle and new warm needle with various air flows as an important environmental factor and to suggest the necessity of maintaining suitable environment of clinics to maximize their efficacy. Methods : We measured the temperature characteristics of traditional moxa warm needle and new moxa charcoal warm needle by applying an automatic temperature acquisition system with thermocouples while external various air flows were supplied. Temperatures of two positions at the needle body were measured while a moxa cone burned. Typical temperature characteristics like peak temperature, duration, curve shape and the efficiency of the heat stimuli by heat amount analysis were executed. Results : Both warm needles showed similar temperature curve with an increase in the air flow. Peak temperature and duration of effective heat decreased with the air flow, as shown in indirect moxibustion on garlic. The temperature change pattern by the air flow became more apparent when the total combustion heat was compared with the effective heat. The values from two positions on the needle body were significantly different, showing a distance dependency from the heat source of warm needle acupuncture. Conclusions : Thermal properties of warm needle acupuncture was observed variously with surrounding air flow of 0.0 - 0.7 m/s. It emphasized the importance of environmental control as well as the warm needle itself such as heat source and needle. The latter has already been known to deliver designated heat to subjects. It also indicated the importance of education and skill of the practitioners of warm needle acupuncture.

윤활제의 윤활특성에 대한 베벨기어의 온간단조 성형 (Warm Forging of a Bevel Gear on the Lubricanting Characteristics of Lubricants)

  • 박태준;정덕진;김동진;김병민
    • 한국소성가공학회:학술대회논문집
    • /
    • 한국소성가공학회 2001년도 추계학술대회 논문집
    • /
    • pp.244-247
    • /
    • 2001
  • Lubricanting characteristics in the warm forging have influence on forgeability of products. but Research on deformation characteristic of warm forging on the lubricant and lubricating method lack. This paper deform a bevel gear by warm forging and evaluate deformation loads and quality of products by each lubricants and lubricating method using oil-based lubricants(Soy, Oildag) and water-based lubricants(Deltaforge $\#31$, Renite S-26-X, Deltaglaze $\#151$). In conclusion, the less a deformation load by lubricants the more improvement a quality of product in manufacture of a bevel gear and water-based lubricants in the warm forging reduce a deformation load and improve a quality of products. Especially, Deltaforge $\31$ have excellent characteristic in the warm forging.

  • PDF

Warm Needling Treatment in Korea: A Literature Review

  • Kim, Chang Wan;Park, Jin Seo;Won, Jee Yeong;Han, Da Young;Lee, Kyoung Yoon
    • Journal of Acupuncture Research
    • /
    • 제37권2호
    • /
    • pp.69-78
    • /
    • 2020
  • Although there have been studies investigating the clinical effects of warm needling (WN) for specific diseases, a comprehensive review of WN is needed. Four Korean internet databases were used in the review of WN treatment performed in Korea. The search terms used to retrieve articles were "warm needling (in Korean; 온침)," "warm acupuncture," and "warm needle." A total of 29 articles were reviewed. The following aspects of WN were investigated: language and terminology, study design, use of Standards for Reporting Interventions in Clinical Trials of Acupuncture, research ethics, moxibustion types, number of moxa used, moxa combustion time, needle retention time, treatment time and frequency, acupoints, meridians, acupuncture size and depth, disease classification, pattern identification, outcome measures, and adverse effect. More sophisticated and precise studies on WN are required.

Warm standby 고장김내 구조를 지원하는 교환 제어 시스템에서의 가동률 분석 (An availability analysis of switching control system with warm standby fault tolerant architecture)

  • 송광석;여환근;한창호;문태수;이광배;김현욱;윤충화
    • 한국통신학회논문지
    • /
    • 제21권8호
    • /
    • pp.1989-2002
    • /
    • 1996
  • In this paper, we describe several warm standby fault-tolerant models and their operation methods applicable to telephone switching control systems which have dual module structure and need high availability. Unavailabilities of the system implemented by four different methods for each model are computed by using the Markov state model, and then are compared for system performance evaluation. As the results ofsimulations, the warm standby model with triple processors is best in the aspect of data loss, while in most cases the warm standby model with doble processors based on no standby check method provides the highest system avaiability. Periodic changeover increases the system unavailability, but the preriodic standby check on standby module decreases the system unavailability of warm standby model with a single processor and with double processors. On the other hands, the variationas of warm standby model with a single processor and with double processors. On the other hand, the variations of data recovery time and personnel recovery rate have little effect on the system unavailtability.

  • PDF

Influence of Mold Temperature, Lubricant and its Additional Quantity on Compressibility in Warm Compaction

  • Ushirozako, Tsutomu;Yamamoto, Masayuki
    • 한국분말야금학회:학술대회논문집
    • /
    • 한국분말야금학회 2006년도 Extended Abstracts of 2006 POWDER METALLURGY World Congress Part 1
    • /
    • pp.195-196
    • /
    • 2006
  • In recent years, demands for sintered ferrous material with higher strength are increasing. To satisfy these demands, studies and commercial use of the die wall lubrication method, the warm compaction method and the combination of both methods are widely carried out to achieve high density. The die wall lubrication warm compaction method makes it possible to achieve high density by reducing internal lubricant through die wall lubrication, although the method involves several issues such as prolonged cycle time due to lubricant spraying and difficulty in spraying lubricant in the case of compacting with complicated geometry. Meanwhile, the conventional warm compaction method requiring no die wall lubricant application cannot achieve such a high density as in the case of die wall lubrication warm compaction due to higher volume of internal lubricant. However, this report discloses our study result in which the possibility of improving density is exhibited by using a lubricant type with superior dynamic ejection property that can reduce volume of lubricant additive.

  • PDF

친환경형 중온 폴리머 개질 아스팔트 바인더의 상대적 물성 비교평가 (Relative Property Evaluation of Pro-Environmental Warm Polymer-Modified Asphalt Binder)

  • 김낙석;이진구
    • 한국재난정보학회 논문집
    • /
    • 제6권1호
    • /
    • pp.10-24
    • /
    • 2010
  • In this paper, warm asphalt binder was proposed as a substitute for the polymer-modified asphalt binder to get higher viscosity than that of the polymer-modified at the same temperature. Performance grade test and rotational viscosity of warm asphalt binder were conducted to evaluate the property variations due to the addition of admixture. Research results showed that the viscosity of warm asphalt binder at $100^{\circ}C$ was similar to that of the conventional asphalt binder. The performance and durability of warm asphalt binder were also comparable to those of the polymer-modified. It is considered that the active applications of warm asphalt binder can reduce environmental damages due to less diffusions of carbon dioxide compared to the conventional.

오국통(吳鞠通)의 "온병조변(溫病條辨)"중(中) 상초(上焦)에 관한 연구(硏究) (A Study on the Ohguktong(吳鞠通)'s Upper Burner[上焦] in "The Sections of Warm Disease(溫病條辨)")

  • 김영두;신승열;조경종;이석재;금경수;이시형
    • 대한한의학원전학회지
    • /
    • 제21권3호
    • /
    • pp.177-258
    • /
    • 2008
  • An Epidemic disease is regarded as warm disease by Korean Medicine. Warm disease is highly contagious and shows an unfavorable condition, and that is characteristic of being widely prevalent. Warm disease study cope with this epidemic disease opportunely. In the Myeong[明] and Cheong[淸] Dynasty, warm disease study got into the region of Korean medicine of today and "The Sections of Warm Disease(溫病條辨)" contributed to the cause of the study was really great. "The Sections of Warm Disease" written by Ohguktong(吳鞠通) in the Cheong Dynasty are divided into the three sections of Upper burner[上焦], Middle burner[中焦] and Lower burner[下焦]. Ohguktong, dealing with the contents of Defense-aspect[衛分], Gi-aspect[氣分], Construction-aspect[營分], Blood-aspect[血分], and so forth in all "Sections of Warm Disease", made use of Seopcheonsa(葉天士)'s Defense Gi[衛氣], Construction, and Blood pattern identification with Triple burner[三焦] pattern identification and six channel pattern identification. And he, having a correct understanding of the nature of medicine, suggested in detail that the directions of medicine and described the processing according to method and the method to take medicine. To conclude, Ohguktong(吳鞠通) Tong in "The Sections of Warm Disease" not only formulated the system of the practical theory of warm disease but also solidified the foundation covering warm disease and its treatment as well, He established the new method of treatment and formula related to warm disease and made a definite distinction between cold damage[傷寒] and warm disease[溫病].

  • PDF

Seasonal Variation of Water Mass Distributions in the Eastern Yellow Sea and the Yellow Sea Warm Current

  • Pang, Ig-Chan;Hyun, Kyung-Hoon
    • Journal of the korean society of oceanography
    • /
    • 제33권3호
    • /
    • pp.41-52
    • /
    • 1998
  • A seasonal circulation pattern in the eastern Yellow Sea (EYS) is suggested from the water mass analysis and geostrophic calculation using the hydrographic data collected by National Fisheries Research and Development Institute during the years of 1970 to 1990. This research focuses on the presence of inflow of warm (and saline) waters into EYS in summer. EYS is divided into two regions in this paper: the west coast of Korea (WCK) and the central Yellow Sea (CYS). In CYS, waters are linked with warm waters near Cheju Island in winter, but with cold waters from the north in summer (in the lower layer). It is not simple to say about WCK because of the influences of freshwater input and tidal mixing. Nevertheless, water mass analysis reveals that along WCK, waters have the major mixing ratios (40-60%) of warm waters in summer, while the dominant mixing ratios (50-90%) of cold waters in winter. Such a seasonal change of water mass distribution can be explained only by seasonal circulation. In winter, warm waters flow northward into CYS and cold waters flow southward along WCK. In summer, warm waters flow northward along WCK and cold waters flow southward into CYS. This circulation pattern is supported by both statistical analysis and dynamic depth topography. Accordingly, Yellow Sea Warm Current may be defined as the inflow of warm waters to CYS in winter and to WCK in summer.

  • PDF

과중량을 이용한 워밍업 점프가 사후 점프 수행에 미치는 영향 (Effect of Loaded Warm-up Jumps on the Following Performance of Vertical Jump)

  • 김현균;김영관;조행난
    • 한국운동역학회지
    • /
    • 제25권2호
    • /
    • pp.167-174
    • /
    • 2015
  • Purpose : The purpose of this study was to investigate the effects of loaded vertical jumps on the following vertical jumps and to find how long the transient effect of warm-ups would continue. Methods : Twelve healthy college male students, majoring in physical education, participated in this study voluntarily. They performed three sets of unloaded jumps (pre-jump, 5% post jump, and 10% post jump) and two sets of loaded jumps (5% and 10% loaded jumps) according to the counter-balanced order. At each set, three trials of maximal vertical jumps were performed by a 30 second interval between trials and a 3 minute break after warm-up jumps. Force platform and motion capturing system were used to record motions and ground reaction force. Results : Only 5% post-warm-up jumps ($48.29{\pm}2.06cm$) showed significant increase in the jump height compared with pre-warm-up jumps ($47.35{\pm}2.21cm$). The transient effects of loaded warm-ups disappeared 4 minutes after loaded jumps. Conclusion : Conclusively, a decent amount of loading (around 5% extra of body weight) during sport specific warm-ups would give a positive, transient effect on the performance of the vertical jump.

Three Dimensional Structure of the Ullung Warm Lens

  • CHO Kyu-Dae;BANG Tae-Jin;SHIM Tae-Bo;YU Hong-Sun
    • 한국수산과학회지
    • /
    • 제23권4호
    • /
    • pp.323-333
    • /
    • 1990
  • We studied the existence, form, size, variation and formation of warm lenses in the East Sea(Japan Sea) during $1979\~1988$ based on annual reports of oceanographic observations published by the National Fisheries Research and Development Agency of Korea and data of the Hydrographic Office of Republic of Korea. The warm lenses were formed in August, 1981, 1982, 1986 during study periods. The ranges of warm lenses were 50, 60, 90 km in the east-west(EW) direction and 100, 150, 120 km in the north-south(NS) direction in 1981, 1982, 1986, respectively. Because of the intrusion of cold water near 103 line, they shrink in horizontal scale in 1981. Most warm lenses were found at station 8 of 104 line in the vicinity of Ullung Island but centers of the lenses moved to the north in 1986. The form and position of warm lenses were related with the intensity of the Tsushima Warm Current and the formation of warm lenses were related with the bottom topography.

  • PDF