Experimental study of the impact of passenger behavior on the aircraft cabin environment

Zhang, Yongzhi; Li, Jiayu; Liu, Junjie

doi:10.1080/23744731.2020.1849795

Cited by 13 publications

(7 citation statements)

References 41 publications

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“…Wang (2014) believed that a weighted acceleration range between 0.315 and 0.8 is comfortable and meets the comfort requirements of passengers traveling on high-speed trains. In his evaluation of a type of passenger seat, Zhang et al (2019) considered that a total weighted acceleration greater than 0.315 was in the uncomfortable range. Ciloglu et al (2015) used BS 6841-1987 (Guide to measurement and evaluation of human exposure to whole-body mechanical vibration and repeated shock) and ISO 2631-1997 (Mechanical vibration and shock -Evaluation of human exposure to wholebody vibration -Part 1: General requirements) to assess the vibration comfort of aircraft during the full operational phase and concluded that the aircraft was least comfortable during the landing phase.…”

Section: Vibration Comfort Rating For Aircraftmentioning

confidence: 99%

Optimization of landing gear under consideration of vibration comfort for civil aircraft

Yan,

Xue,

Liu

et al. 2024

AEAT

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Purpose This study aims to investigate the design and optimization of landing gear buffers to improve the landing-phase comfort of civil aircraft. Design/methodology/approach The vibration comfort during the landing and taxiing phases is calculated and evaluated based on the flight-testing data for a type of civil aircraft. The calculation and evaluation are under the guidance of the vibration comfort standard of GB/T13441.1-2007 and related files. The authors establish here a rigid-flexible coupled multibody dynamics finite element model of one full-size aircraft. Furthermore, the authors also implement a dynamic simulation for the landing and taxiing processes. Also, an analysis of how the main parameters of the buffers affect the vibration comfort is presented. Finally, the optimization of the single-chamber and double-chamber buffers in the landing gear is performed considering vibration comfort. Findings The double-chamber buffer with optimized parameters in landing gear can improve the vibration comfort of the aircraft during the landing and taxiing phases. Moreover, the comfort index can be increased by 25.6% more than that of a single-chamber type. Originality/value To the best of the authors’ knowledge, this study first investigates the evaluation methods and evaluation indexes on the aircraft vibration comfort, then further conducts the optimization of the parameters of landing gear buffer with different structures, so as to improve the comfort of aircraft passengers during landing process. Most of the current studies on aircraft landing gear have focused on the strength and safety of the landing gear, with very limited research on cabin vibration comfort during landing and subsequent taxiing because of the coupling of runway surface unevenness and airframe vibration.

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Section: Vibration Comfort Rating For Aircraftmentioning

confidence: 99%

Optimization of landing gear under consideration of vibration comfort for civil aircraft

Yan,

Xue,

Liu

et al. 2024

AEAT

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“…Other interventions in response to COVID-19 include intermittent occupancy (intentional breaks between occupants entering and leaving the space, studied in classroom settings) [366] and the use of ceiling fans (to promote air mixing) [367]. Reviews and studies assessing infection risks in specific spaces encompass classrooms [183,368], aircraft [369][370][371][372][373], passenger cars [374], buses [375], enclosed or confined spaces [10,376], gyms [377], concert halls [378], and washrooms [379].…”

Section: Dissemination In the Same Spacementioning

confidence: 99%

Review of Engineering Controls for Indoor Air Quality: A Systems Design Perspective

2023

Sustainability

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This paper aims to review the engineering controls for indoor air quality (IAQ) from a systems design perspective. As a result of the review, we classify the literature content into three categories: (1) indoor air treatments, (2) dissemination control strategies, and (3) information technology. Indoor air treatments can be generally interpreted as the “cleaning” aspect, which covers ventilation and contaminant removal techniques. Dissemination control focuses on how contaminants generated in an indoor space can be transmitted, where four types of dissemination are classified. The category of information technology discusses IAQ sensors for monitoring, as well as the applications of the Internet of Things and IAQ data. Then, we further analyze the reviewed engineering controls by performing systems and functional analysis. Along with a discussion of IAQ functions, we suggest some systems design techniques, such as functional decoupling and design for flexibility/resilience, which are expected to promote more systems thinking in designing IAQ solutions.

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“…Passenger activities have a significant impact on resuspension and deposition on the surface of passengers [194,195]. The occupants' adjustments of the seatback angle increase the risk of longitudinal transmission of contaminants [196,197]. A passenger cough affects more passengers in an aircraft cabin during the ascent [198].…”

Section: Comparisonsmentioning

confidence: 99%

Ventilation Strategies for Highly Occupied Public Environments: A Review

et al. 2023

Self Cite

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In urban public transportation and highly diversified air environments, air pollutant exposure is becoming an increasing concern in terms of public health and personal safety. Herein, the scientific literature on air quality and virus transmission in densely crowded environments is reviewed to determine effective control methods. The research results are classified on the basis of different crowded environments. Much research has been conducted on pollutants in subways and buses. High particulate matter concentrations in public transportation are still a serious problem, but few studies on the spread of viruses exist. With existing types of ventilation systems, increasing local exhaust may be an efficient way to remove pollutants. Air quality sensors should be distributed in densely crowded spaces to achieve real-time display of pollutant concentration data. When pollution levels exceed the safe values, scientifically designed ventilation and filtration schemes should be implemented to reduce the pollution levels. Occupant activities are among the important factors that make pollutant transmission more complex. The analysis results herein contribute to the assessment of indoor pollutant concentrations and the protection of occupants from cross-infection.

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Experimental study of the impact of passenger behavior on the aircraft cabin environment

Cited by 13 publications

References 41 publications

Optimization of landing gear under consideration of vibration comfort for civil aircraft

Optimization of landing gear under consideration of vibration comfort for civil aircraft

Review of Engineering Controls for Indoor Air Quality: A Systems Design Perspective

Ventilation Strategies for Highly Occupied Public Environments: A Review

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