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장형섭(HyungSub Jang),강도원(DoWon Kang) 한국상품학회 2002 商品學硏究 Vol.- No.27
The purpose of this study is to examine the relationship among service quality, composition factors in service quality, customer satisfaction, and repurchase intentions in the area of mobile communication market. For this purpose, six research hypotheses were made and empirically tested. These hypothesized relationships concerning image, price, overall service quality, customer satisfaction, and repurchase intentions were verified by covariance structure modeling, using LISREL 8.03 program. Empirical results of the study presented that there existed a casual relationship among overall service quality, composition factors in service quality, customer satisfaction, and repurchase intentions.
가스터빈 연소기에서 메탄과 수소 혼합 비율 및 운전조건에 따른 연소특성 연구
이상현(Sanghyeon Lee),이재빈(Jaebin Lee),안병민(Byeongmin Ahn),강도원(Dowon Kang),김민국(Minkuk Kim),최민성(Minsung Choi) 한국연소학회 2023 KOSCOSYMPOSIUM논문집 Vol.2023 No.11
This study investigated the combustion characteristics in a gas turbine combustor with varying methane and hydrogen mixing ratios and operating conditions. We conducted study through CFD analysis and presented the results of temperature, velocity, fuel mixedness, and NOx emissions for hydrogen mixture. All simulations were conducted under high-pressure conditions at 25.9 bar, and hydrogen mixture were varied from 0% to 60%. The simulation results showed that as the mixture ratio increased, NOx exhibited the most significant difference, while the other parameters did not show a significant impact.