Novel personalized and humidified air supply for airliner passengers

Zı́tek, Pavel; Vyhlídal, Tomáš; Simeunović, Goran; Nováková, Lenka; Cizek, Jiri

doi:10.1016/j.buildenv.2010.04.005

Cited by 70 publications

(39 citation statements)

References 8 publications

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“…The combination of both experimental measurements and CFD simulations is becoming more popular [10,27,48,52]. As in many other CFD applications, there is a need for highly resolved data to validate the simulations and to determine the most appropriate model for the given geometry and flow conditions.…”

Section: Discussionmentioning

confidence: 99%

“…Despite there being some uncertainties in the models, requiring sufficient knowledge of fluid mechanics on the part of a user, and demanding a high capacity computer, CFD has become the most widely used tool for studying air distributions in airliner cabins due to the rapid increase in computer capacity and the development of user-friendly CFD program interfaces. Examples can be found in [9,11,15,19,21,24,25,27,35,37,[44][45][46][47][48][49][50][51][52]. The CFD models used were Reynolds Averaged Navier-Stokes equation (RANS) models and Large Eddy Simulation (LES).…”

Section: Cfd Modelsmentioning

confidence: 99%

“…Their results showed that the CFD results agreed with the experimental data in the sense that the two big vortices were captured by the simulation, but the plume above the middle passenger was not captured. Zítek et al [52], to design a personal ventilation system in a cabin, applied the standard k-ε model to simulate the airflow around a seated manikin. Their results presented the relative deviations of air velocity magnitude between the measurement data and the CFD results.…”

Section: Rans Modelsmentioning

confidence: 99%

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State-of-the-art methods for studying air distributions in commercial airliner cabins

Wei

Mazumdar

Zhao

et al. 2012

Building and Environment

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Air distributions in commercial airliner cabins are crucial for creating a thermally comfortable and healthy cabin environment. This paper reviewed the methods used in predicting, designing, and analyzing air distributions in the cabins. Two popular methods are experimental measurements and numerical simulations. The experimental measurements have usually been seen as more reliable although they are more expensive and time consuming. Most of the numerical simulations use Computational Fluid Dynamics (CFD) that can provide effectively detailed information. Numerous applications using the two methods can be found in the literature for studying air distributions in aircraft cabin, including investigations on more reliable and accurate models. Our review shows that studies using both experimental measurements and computer simulations are becoming popular. Our review also found that it is necessary to use a full-scale test rig to obtain reliable and high quality experimental data, and that the hybrid CFD models are rather promising for simulating air distributions in airliner cabins.

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Section: Discussionmentioning

confidence: 99%

Section: Cfd Modelsmentioning

confidence: 99%

Section: Rans Modelsmentioning

confidence: 99%

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State-of-the-art methods for studying air distributions in commercial airliner cabins

Wei

Mazumdar

Zhao

et al. 2012

Building and Environment

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“…Similarly, Zhang and Chen (2007) proposed a personal seatbackembedded air supply system that delivers clean air directly to the inhalation regions of a passenger. Based on these studies, Zítek et al (2010) considered that each seat in a commercial aircraft should be supplied with a separate individual air flow and a separate exhaust, which could help protect passengers against the possible spread of airborne diseases during flights. Zhang et al (2012) developed a personal air distribution system with air terminals embedded in chair armrests.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of personal air supply nozzle use in aircraft cabins

Fang

et al. 2015

Applied Ergonomics

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“…Combination of a standard ceiling system with a displacement scheme for heating air inlet represented the best compromise guaranteeing thermal comfort for passengers. In a different study Zítek et al [3] proposed a new personalized and humidified air supply, the system was analyzed with Fluent CFD program and validated by laboratory experiments. The ASHRAE Standard 55 [4] identifies thermal comfort as "that state of mind which expresses satisfaction with the thermal environment".…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Investigations of Heating in a Bus Cabin Under Transient State Conditions

Ekici¹,

Güney²

2017

Computational Methods and Experimental Measurements XVIII

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This study carries out an experimental and numerical work in order to investigate the air flow and temperature fields inside a coach bus cabin. In addition to a real-world experiment, an existing bus heating system has been investigated computationally using a three-dimensional model consisting of one seating row with periodical and symmetrical boundary conditions (BCs) as required. The seats, without including passengers as has been the case in the experiments, are created with adiabatic BCs. The developed computational fluid dynamics (CFD) model is used in a transient analysis of heating by employing the "Boussinesq Approximation" for buoyancy-induced effects and incorporating the experimentally obtained BCs into the system. The model validation is performed by comparing model results against experimentally obtained ones for three regions, corresponding to head, knee, and foot level of passengers. The difference between the measured and the calculated temperatures is found to be less than around 3°C for the head and foot level, while it is 5°C for the knee level of the passenger for the transient heating simulation.

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Novel personalized and humidified air supply for airliner passengers

Cited by 70 publications

References 8 publications

State-of-the-art methods for studying air distributions in commercial airliner cabins

State-of-the-art methods for studying air distributions in commercial airliner cabins

Experimental investigation of personal air supply nozzle use in aircraft cabins

Experimental and Numerical Investigations of Heating in a Bus Cabin Under Transient State Conditions

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