Study On Indoor Airflow Organization And Thermal Comfort Of Air Conditioning System In Office Building

With the development of the national economy,the requirements for indoor thermal comfort of air conditioning buildings are increasing day by day.At the same time,the research on indoor thermal comfort is also deepened,but there are few studies on the thermal comfort of the office.With the rising prices of housing prices and office rents,in order to make the limited office area is fully utilized,the layout of the office more and more intensive,because poor air conditioning airflow organization caused by indoor thermal comfort problems Prominent,not only affect the efficiency of personnel,and long-term in such an office environment is not conducive to the physical and mental health.In this paper,air conditioning system for office buildings,air conditioning system in the office air handling organization and indoor thermal comfort.In recent years,the use of CFD software to numerical simulation analysis of indoor air conditioning thermal comfort research and processing related to the actual engineering problems are emerging.It can simulate and forecast the distribution of indoor airflow,and it is convenient,rapid and economical,and can provide more comprehensive and technical analysis results for the design department.This subject has carried out the following related research:1)The six factors influencing the thermal comfort in the air-conditioning room are analyzed.The thermal comfort of the office station in four typical air-condition forms is analyzed and analyzed by means of questionnaire.2)Through the field test method,the relevant parameters of the airflow organization at the station when the air conditioner was opened in the room were tested,and the thermal comfort of the office air conditioner was evaluated by analyzing the test data.Aiming at the construction of the office building,this paper puts forward a new concept of air-conditioning station satisfaction rate to analyze and evaluate the air-conditioning organization form and the rationality of the layout of the office.3)The numerical simulation of four typical air-conditioned office buildings is carried out,and the simulation results are compared with the measured data to verify the reliability of the model.Then,through the numerical simulation,the air conditioning airflow of these four types of offices Organization to improve and optimize the analysis:for the cabinet air-conditioning air supply and fan coil side air supply uncomfortable two rooms proposed airflow organization improvement program;in the room into the deep,high and low construction conditions,the use of scattered The combination of the lateral supply,the indoor thermal comfort to meet the relevant standards,the station satisfaction rate is high,for the back of the designers meet a similar situation to provide a reference;in the old building renovation,using louvered upper supplying air will cause the indoor air conditioning thermal comfort poor.4)Through the above measured and theoretical research,the evaluation of the thermal comfort of air conditioning,combined with the thermal comfort evaluation of the proposed air conditioning thermal comfort optimization program.If the office air conditioning form is unreasonable,resulting in poor distribution of indoor airflow organization,affecting the thermal comfort of people or to optimize the indoor air conditioning air flow form,or change the layout of the station to ensure the thermal insulation of the station air conditioning.5)The main distribution forms of the airflow in the air conditioning room are analyzed,and the reasons for the poor comfort of air conditioning in the project are summarized,and the optimization process of the thermal comfort of the station is put forward.With the development of computer technology and the in-depth study of indoor thermal comfort,CFD simulation technology is used to optimize the design of airflow organization and improve the thermal comfort of indoor air-conditioning in the design of office building and other types of building air-conditioning system.The greater the effect.