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Function Simulation and Performance Evaluation of an Underground Multi-Storey Car Park Ventilation Systems under Normal Condition

Ahmadpour, Mohammad | 2016

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 48703 (08)
  4. University: Sharif University of Technology
  5. Department: Mechanical Engineering
  6. Advisor(s): Farhanieh, Bijan
  7. Abstract:
  8. Because of increase in use of cars in recent years, demands for parking spaces have also dramatically grown. To resolve this issue construction of multi-storey underground car parks has sharply increased. Due to the high level of contaminants emitted by cars in parking lots and also the continuous presence of humen within them, the control of pollution level and parking indoor air quality is a vital matter. Type of ventilation systems including modern and conventional used for ventilating parking lots and also exhaust and supply vents locations are the most important factors affecting contaminants distribution. Thus investigation the performance of the conventional and modern ventilation systems, and comparing them as well as a parametric study on the vent locations of fresh air inlet and pollution extraction outlet are the objectives of the present study. For this purpose, computational fluid dynamic is adopted as a method for simulating conventional and modern ventilation systems with or without using jet fans in the multi-sorey parking lots and the performance of different exhaust systems have been evaluated. The influence of parameters such as supply and exhaust vents locations on the flow pattern and the average concentration of pollutants in the car parks have been analyzed. The results of this research can be used in proper design procedure of ventilation system for car parks and can also be served as a guide for ventilation system engineers in properly locating supply air inlet and pollution extraction outlet vents and their relative shafts
  9. Keywords:
  10. Multi-Storey Parking ; Pollutants Dispersion ; Air Inlet ; Conventional Ventilation System ; Modern Ventilation System ; Jet Fan

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