基于PMV-PPD的地面空调最佳送风速度

doi:10.7527/S1000-6893.2017.121089

Abstract

Abstract:

To address poor cabin comfort and energy efficiency caused by constant-velocity air supply of ground air conditioning, the cabin simulation model for Boeing737 is built by CFD method. The size of the simulation cabin is the same as that of Boeing737. Validity of the model is verified by laboratory experiments. Based on this model, the effects of different air supply velocity on the temperature field and wind velocity field are simulated. The values of wind speed and temperature are used to calculate the PMV and PPD at the sample points. The relationship between the ground air conditioning air supply velocity and the PPD is also fitted by the Gaussian fitting curve method. The best air supply velocity range is obtained to meet the thermal comfort requirement, providing basis for energy-saving of ground air conditioning.

Key words: ground air conditioning, thermal comfort, numerical simulation, Gaussian fitting, best wind speed

CLC Number:

V245.3

LIN Jiaquan, LI Wanwan. Best wind speed of ground air conditioning system based on PMV-PPD[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(8): 121089-121089.

References

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Best wind speed of ground air conditioning system based on PMV-PPD

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