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Relativity Research Of Indoor Air Quality (IAQ) And Haemorheology Characteristics Of Living Creature

Posted on:2004-03-26Degree:MasterType:Thesis
Country:ChinaCandidate:Q P LuoFull Text:PDF
GTID:2144360122470599Subject:Heating, Gas Supply, Ventilation and Air Conditioning Engineering
Abstract/Summary:PDF Full Text Request
With the development of science and technology, more and more people spend much time living in the room with modern air conditioning system. Indoor air quality (IAQ) has a great influence on people's physiological actions. To appraise IAQ effectively, professionals at home and abroad have done some researches. But at present, we can't understand the essence of IAQ theoretically, so most of the criteria of IAQ based on the common rather than the science. Have a scarce systematic knowledge in IAQ. Haemorheology has a wide use in the medical field. It's very useful to diagnose, prevent and treat disease. Researches in IAQ by means of animal experimental and combining the IAQ with the index of haemorheology is a creativeness of this paper. This paper studies the Haemorheology of experimental animal by establishing the model test, which can change the ventilation mode and the velocity of air supply. The chief contents and results are as follow:① Establishing text installation, this installation can realize respectively ventilation mode on the opposite side: up-inlet and down-outlet, down-inlet and up-outlet, up-inlet and up-outlet, and can realize respectively ventilation mode on the same side: up-inlet and down-outlet, down-inlet and up-outlet. The indoor air, which is done with by air conditioning, is sent into installation by an axis-fan, and we can change the velocity of air supply. To verify the validity of the ventilation installation established, measure the air velocity of a vertical surface by hot-wire anemometer firstly, and then have a numerical simulation to the ventilation installation using the Fluent. The results accord with experiment data fairly. In the whole experimental field, most of the air velocity (>80%) less than 0.3m/s, so this shows the validity of the ventilation installation established.In the part of animal experiment, we use guinea-pig as experimental animals. Take respectively the temperature: 18℃ and 28℃,take respectively the humidity: 70% and 50%; take up-inlet and down-outlet on the opposite side and down-inlet and up-outlet on the opposite side as the ventilation mode, and Proceed 8 group experiment among of them. Keep guinea-pigs staying in installation for 10 days, let alone eat and drink, and then take the blood 5~10ml from their hearts. In this experiment, we measure the haemorheology index of creature such as blood viscosity, accumulation② index of red cells, deformation index of red cells, H of red cells, fibrinogen, EPM time of red cells, and so on, by changing the temperature, humidity and air supply mode. ③ And then analyses the data, conclude the quantitative relationship between the temperature, humidity and air supply mode and haemorheology index. So these work descend the solid foundation for tomorrow study: establish a set of system to reflect IAQ with haemorheology index.
Keywords/Search Tags:Indoor air quality, Ventilation installation, Animal experiment, Haemorheology, Numerical simulation
PDF Full Text Request
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