During the use of the data center computer room, it is restricted by various factors, resulting in unreasonable and unsmooth airflow organization in the computer room. Because the IT equipment relies on the low-temperature air sent by the computer room air conditioner to fully exchange its heat dissipation, take away heat and reduce the amount of heat in the rack. Temperature and airflow organization play the role of heat exchange media. When the heat exchange is not smooth and unreasonable, the current situation can only be that the capacity configuration of the air conditioning equipment in the computer room is far greater than the actual demand to meet the needs of the computer room. As a result, the investment in air-conditioning equipment will increase, the operating cost will increase, and the PUE value of the computer room will increase. Therefore, how to plan the airflow organization of the data center computer room is of great significance. It is to summarize and classify the existing unreasonable airflow organization in the computer room, and carry out reasonable transformation according to different types. The cold and hot air are effectively isolated, so that the cold air can be smoothly sent into the communication equipment for heat exchange, and the hot air generated by the exchange is sent back to the air conditioning unit to avoid unnecessary cold and heat exchange and improve the efficiency of the air conditioning system. Reduce computer room operating costs.
Several air organization forms in the data center room Based on years of experience in planning air organization, the data center air organization is divided into the following four forms: the air organization form of the computer room, the air organization form of the static pressure warehouse, the air organization form of the rack, IT equipment airflow organization. The following introduces these several air distribution forms: 1) Air distribution in the computer room The air supply mode of the precision air conditioner plays a decisive role in the air distribution in the computer room. The air supply and return methods of precision air conditioners are different, and the airflow organization of the entire machine room is completely different. The following is a schematic diagram of the airflow organization of these two air supply methods:
At the same time, the layout of the cabinets in the computer room is different, and the airflow organization is also different.
The static pressure chamber of the data center is a pressure container designed to ensure sufficient air supply pressure. It is the first airflow path through which the cold air sent by the precision air conditioner passes. Its pressure and precision The air supply speed of the air conditioner is not negligible. For downward air supply, the static pressure box is under the floor, and static pressure is required. Only when there is sufficient static pressure in the static pressure box and the distribution of static pressure tends to be relatively uniform, the airflow of each rack can be guaranteed.
Rack airflow organization Rack is the place where the data center provides a reliable physical operation micro-environment for IT equipment. The rack airflow organization is very important. It is the last airflow path that the cold air sent by the precision air conditioner goes through to the IT equipment.
Forms of Airflow Organization of IT Equipment Airflow organization in equipment, although not a problem considered by data center designers, should be left to equipment manufacturers to solve. But we should pay attention to whether the equipment is forward air, rear exhaust air, and whether the exhaust air position is on the left or right side of the server, because the direction of the equipment exhaust air has a great influence on the airflow organization.
Reasonable planning of airflow organization of data center The ultimate purpose of rational planning of airflow organization of data center is to quickly dissipate heat for IT equipment, improve the utilization rate of air-conditioning resources, reduce unnecessary waste of cooling sources, and improve the PUE value of the data center. So how should we plan the airflow organization of the data center correctly and reasonably? We have already explained the four major airflow organization forms of the data center. Now let's regard these four airflow organization forms as the four different airflow through If a problem occurs in any place, it will directly or indirectly affect the rapid cooling of IT equipment. That is to say, we need to analyze the problems that may exist in these four forms of airflow organization one by one, which is equivalent to finding a solution.