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엔진 고공 시험에서 연료 유량 측정용 터빈 유량계의 측정 불확도 분석
양인영,Yang, In-Young 한국유체기계학회 2011 한국유체기계학회 논문집 Vol.20 No.1
Measurement uncertainty analysis of fuel flow using turbine flowmeter was performed for the case of altitude engine test. SAE ARP4990 was used as the fuel flow calculation procedure, as well as the mathematical model for the measurement uncertainty assessment. The assessment was performed using Sensitivity Coefficient Method. 11 parameters involved in the calculation of the flow rate were considered. For the given equipment setup, the measurement uncertainty of fuel flow was assessed in the range of 1.19~1.86 % for high flow rate case, and 1.47~3.31 % for low flow rate case. Fluctuation in frequency signal from the flowmeter had the largest influence on the fuel flow measurement uncertainty for most cases. Fuel temperature measurement had the largest for the case of low temperature and low flow rate. Calibration of K-factor and the interpolation of the calibration data also had large influence, especially for the case of very low temperature. Reference temperature, at which the reference viscosity of the sample fuel was measured, had relatively small contribution, but it became larger when the operating fuel temperature was far from reference temperature. Measurement of reference density had small contribution on the flow rate uncertainty. Fuel pressure and atmospheric pressure measurement had virtually no contribution on the flow rate uncertainty.
장인철(In Chull Jang),양인영(In Young Yang) 한국사회언어학회 2018 사회언어학 Vol.26 No.2
Jang, In Chull & Yang, In Young. 2018. “Linguistic Representations of Korean Immigrant English in North American Media Space: An Analysis of Appa s English in Kim s Convenience ”. The Sociolinguistic Journal of Korea 26(2), 1~36. With the increasing importance of the mass media in social life and the linguistic changes it incurs, sociolinguistic research on linguistic representations in cinematic discourse has been increasing recently. Situated within this growing body of emerging scholarship in sociolinguistics, this study examines how Korean immigrant English is represented in a Canadian TV sitcom, Kim’s Convenience . Drawing on the perspective that linguistic performances in fictional discourse serve as resources for sociolinguistic styling and characterization, this paper investigates how the linguistic representations of Korean immigrant English contribute to authenticating the character of a middle-aged male Korean immigrant called Appa in the TV series. For this purpose, Appa s English used throughout the TV series first season (13 episodes) was analyzed at the phonological, syntactic, lexical, thematic, and semiotic levels. The analysis revealed that each linguistic level shows distinct but concerted efforts regarding the authentication of Appa as a Korean immigrant. The phonological features of his English effectively share those of Korean English, whereas the syntactic representations are characteristic of a simple register. The lexical, thematic, and semiotic representations additionally reinforce Appa s “Koreanness” through the sitcom s integration of topics and images related to Korean culture.
양인영(in-young yang),양용준(yong-jun yang),김성봉(sung-bong kim),차천석(chon-suck cha) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
It is important to satisfy the requirements and standards for the protections of passengers in a car accident. There are lots of studies on the crushing energy absorption of a structure members in automobiles. In this paper, we have studied to investigate collapse characteristics and moisture absorption movements of CFRP structure members when CFRP(carbon fiber reinforced plastics) laminates are under the hygrothermal environment. In particular, the absorbed energy, mean collapse load and deformation mode were analyzed for side members which absorbed most of the collision energy. Also, variation of CFRP interlaminar numbers is important to increase the energy absorption capability. Therefore we have made a static collapse experiment to research into the difference of absorbed energy and deformation mode between moisture absorbed specimen and non-moisture absorbed.
고등학생들의 영어과 역량 강화를 위한 고교-대학 연계 영어 프로그램에 관한 연구
양인영 ( Yang In Young ),김지은 ( Kim Ji-eun ) 글로벌영어교육학회(구 호남영어교육학회) 2021 Studies in English education Vol.26 No.2
The purposes of this study are: first, to report the results of conducting an English camp at a university for 40 high school students and, second, to find a more systematic connection between the educational field and a pre-service teacher training program. Specifically, the camp provided English programs utilizing suggested activities to strengthen the core competencies required by the 2015 revised curriculum, and the students completed a questionnaire about participating in the activities to improve each competency. The responses were statistically analyzed including between-subject variables such as their school grades, their age for English education, their experience in English-speaking countries, and their self-reported level of fluency and nervousness in speaking English. The results are summarized as follows: First, the students were satisfied with the camp program overall, and their satisfaction with each core competency was a little lower than the overall satisfaction. Second, students’ English speaking fluency turned out to be statistically meaningful in recognizing activities regarding English communication competency. Third, the degree of nervousness in speaking English proved to be significant in recognizing activities to improve knowledge-information processing competency. Based on these results, the implications for education to cultivate the English subject competency, and cooperation between teacher training institutions and secondary education institutions are discussed.