The temperature and speed in the tall space are mainly determined by the following four influencing factors: room geometric size, thermal source characteristics, return to the air outlet characteristics, and air supply characteristics.Among them, the geometric size includes its geometric shape, the thermal source characteristics include the heat source distribution and size, the heat transfer distribution and size of the enclosure structure, and the return of the air outlet includes the size and position distribution of the air outlet.It reflects the three general volumes of the air ventilation, buoyancy and quality flux.
There are many physical quantities that affect the distribution of high -space airflow tissues.If all these physical quantities are considered, it will cause a great workload, and its complexity will be almost the same as the complexity of the CFD -based numerical simulation method. It is also difficult to adapt to engineering applications.Therefore, we should analyze the main factors for the actual situation in engineering applications. Combining the physical quantities considers the actual designer when designing the airflow tissue, simplify the physical quantity involved in the calculation, and propose the average temperature of the work area under the high space airflow tissue.Several key criteria for speed features.
Due to the role of floating force caused by temperature differences, the impact of high space on the vertical direction on the air flow is greater than the impact of the horizontal direction. In the return of the air outlet, only the impact of returning to the height of the air outlet is considered.In the geometric size of the room, the area and volume of the room mainly considers the room without considering the specific shape of the room.For the characteristics of the heat source, the distribution of the heat source (including the heat transfer of the enclosure) in the room is complicated. Combined with the actual situation, the designer usually adds and obtains the total heat of the room in the calculation. Therefore, in the heat source characteristics, the main consideration is mainly considered.The size of the heat source instead of considering the distribution of heat sources.Consider air supply and air supply temperature, speed, and air volume to ensure that some of the main factors that affect the shooting (the quality flow, volume flow, buoyancy flux) and actual situation of the flow of the shot are consistent to ensure that it can be accurately simulated under certain outflow conditions: the shot is in the current flowing flow: the shot is inAfter leaving the air outlet for a distance, especially in the flow characteristics of the full development section (main section) of turbulence; or the flow characteristics of the interior work area.
The above is a few influencing factors about the temperature and speed of the tall space workplace. If you want to know more related issues, please pay more attention to us ——