• 제목/요약/키워드: Cabin air

검색결과 186건 처리시간 0.023초

선박 선실 내의 실내공기환경 실태 조사에 관한 연구 - 원항 여객선 선실의 동절기 온열환경 - (A Measurement Study on the Thermal Conditions in Cabins of a Long Cruise Passenger ship in the Winter)

  • 황광일;우상우;심재건;박민강;문태일
    • Journal of Advanced Marine Engineering and Technology
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    • 제31권4호
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    • pp.370-376
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    • 2007
  • The purpose of this study is to measure the thermal conditions of the various cabins in a long cruise passenger ship which is an integration of the high level technological know-how. We did an experiment and found out the following problems. (1) The temperature from the damper is stable but the humidity varies lower. (2) Comparing A deck-located cabins to B deck-located cabins, A-deck located cabins' temperatures are higher because of the 24% more air supply. (3) More influences from outdoor climate makes the temperature of the outside cabin lower than the inside cabin. (4) In some cabins, there are vertical temperature differences of $4{\sim}6^{\circ}C$. (5) And $2{\sim}4^{\circ}C$ temperature differences are occurred at between 2-story bed. (6) Repeatability of measurement results are confirmed by 2 times measurements.

인간-기계 인터페이스 및 증강현실 기술의 항공운항 분야 적용 (Application of Human Machine Interface and Augmented Reality Technology to Flight Operation)

  • 박형욱;정준;장조원;주성현;황영하
    • 한국항공운항학회지
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    • 제27권2호
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    • pp.54-69
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    • 2019
  • The primary objective of this paper is to introduce the application of Human-Machine Interface (HMI) and Augmented Reality (AR) technologies in flight operations. These include: self-check-in, baggage handling, airport security and surveillance, airport operations monitoring, In-Flight Entertainment and Connectivity (IFEC), cockpit design, and cabin crew support. This paper investigates the application status and development trends of HMI and AR technologies for airports and aircraft. These technologies can provide more efficient in-flight passenger service and experience by using AR devices. This paper also discusses the developments such as; the Integrated Control Application (ICA) for the IFEC interface, AR flight simulation training program using the fixed-based simulator, and the AR aircraft cabin interior concept test program. These applications present how HMI and AR techniques can be utilized in actual flight operations. The developed programs in this paper can be applied to their purpose within aircraft interiors and services to enhance efficiency, comfort, and experience.

The Impact of Job Stress of the Cabin Crew on the Service Quality During COVID-19 era

  • Ri-Hyun SHIN;Ki-Woong KIM;Suk-Hoon CHUNG
    • 유통과학연구
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    • 제22권5호
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    • pp.117-129
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    • 2024
  • Purpose: This research aims to explore the ramifications of job stress on cabin crews within the air service distribution sector, specifically examining its impact on service quality through mediating variables such as job satisfaction and engagement during the pandemic era. Research design, data and methodology: The study is based on a sample size of 312 individuals, exclusively comprising cabin crews employed in the airline industry. Methodologically, Confirmatory Factor Analysis (CFA) and Structural Equation Modeling (SEM) were employed for statistical analysis. Results: The findings reveal that both performance evaluation and job responsibility exerted a significant impact on both job satisfaction and job engagement. Furthermore, job engagement demonstrated a substantial influence on service quality. However, in contrast, factors like unstable employment and the working environment showed no significant impact on either job satisfaction or engagement. Additionally, job satisfaction did not exert a significant influence on service quality. Conclusions: These insights will offer the valuable guidance to the airline industry in preparing for unforeseen external environments that may affect the industry. As the aviation sector navigates the challenges posed by the pandemic, understanding and addressing the intricate relationships among job stress, satisfaction, engagement, and service quality will be crucial for effective industry resilience and adaptation.

전달 경로 분석과 패널 기여도 분석을 이용한 휠로더의 실내소음 저감에 관한 연구 (Interior Noise Reduction of Wheel Loader Using Transfer Path Analysis and Panel Contribution Analysis)

  • 김보용;신창우;정원태;박성용;장한기;김성재;강연준
    • 한국소음진동공학회논문집
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    • 제18권8호
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    • pp.805-815
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    • 2008
  • Transfer path analysis(TPA) and panel contribution analysis(PCA) have been used widely to reduce interior noise of mechanical systems. TPA enables us to decompose interior noise into air-borne and structure-borne noises and estimate the path contribution of noise sources. PCA is also used to identify the noise contribution of each sub-panel in vibro-acoustic systems. In this paper, TPA and PCA are applied to wheel loader, one of the heavy construction equipments. Firstly, TPA for air-borne noise is conducted to estimate the contribution of air-borne sources using pressure transfer function. Thereafter, TPA for structure -borne noise is employed to verify the results of air-borne source quantification through the synthesis of two results. Secondly, PCA is performed by both TPA using pressure transfer function between panels inside the cabin and boundry element method(BEM) for the cabin of wheel loader with various boundary conditions. As a results, it was found that TPA conducted by experiments and PCA accomplished by both experiments and BEM are very effective methods in analyzing the path and contribution of the noises for reducing an interior noise level in the wheel loader system.