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【Weekly Question】+9 for correct answers, +2 for participation; Close this post on Sunday

2015-10-19View Original

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The last edit to this post was made by hjztbwg on 2015-10-26 at 09:40. The dry-bulb temperature for outdoor air conditioning calculations in summer should be based on the _average value over the years, as there is no guarantee of 50 hours of such dry-bulb temperature per year__; The outdoor calculated wet-bulb temperature for air conditioning in summer should be based on the _average annual wet-bulb temperature over the years, with no guarantee of 50 hours per year_.
Reply #22015-10-19
1.2 The outdoor design temperature for heating should be the average daily temperature over the years, excluding the 5 days with no guarantee of such temperatures. 4.1.3 For the outdoor calculation temperature of winter ventilation, the average temperature of the coldest month over the years shall be used. 4.1.4 For the outdoor design temperature of air conditioning in winter, the average daily temperature over the years with no guarantee of one day should be used. 4.1.5 For the outdoor calculated relative humidity of air conditioning in winter, the average relative humidity of the coldest month over the years shall be used. 4.1.6 For the outdoor dry-bulb temperature calculation of air conditioning in summer, the average dry-bulb temperature over the years, excluding the 50 hours for which reliability is not guaranteed, shall be used. 4.1.7 For the outdoor calculated wet-bulb temperature of air conditioning in summer, the average wet-bulb temperature over the years, with a 50-hour guarantee, shall be used. 4.1.8 The outdoor design temperature for summer ventilation shall be the average of the monthly averages at 14:00 during the hottest month in each year. 4.1.9 For the outdoor calculated relative humidity in summer, the average of the monthly average relative humidities at 14:00 during the hottest month in each year shall be used. 4.1.10 For the outdoor calculated daily average temperature of air conditioning in summer, the average daily average temperature over the years, excluding the 5 days with no guarantee, shall be used. ——Excerpted from the Code for Design of Heating, Ventilation and Air Conditioning in Civil Buildings
Reply #32015-10-19
For the outdoor dry-bulb temperature calculation of air conditioning in summer, __the average annual dry-bulb temperature over the years, with no guarantee of 50 hours of such temperature per year, should be used_; For the outdoor calculated wet-bulb temperature of air conditioning in summer, __the average annual wet-bulb temperature over the years, with no guarantee of 50 hours per year__ should be used.
Reply #42015-10-19
The outdoor dry-bulb temperature for air conditioning calculations in summer should be ___(the average annual dry-bulb temperature, with no guarantee of 50 hours per year)__________; The outdoor calculated wet-bulb temperature for air conditioning in summer should be ___(the average value over the years, with no guarantee of 50 hours of wet-bulb temperature per year)_ _.
Reply #52015-10-19
The outdoor calculated dry-bulb temperature for air conditioning in summer should use; The outdoor calculated wet-bulb temperature for air conditioning in summer should use
Reply #62015-10-19
The outdoor calculated dry-bulb temperature for air conditioning in summer should use; The outdoor calculated wet-bulb temperature for air conditioning in summer should use
Reply #72015-10-19
Average annual guaranteed value for dry-bulb temperature over 50 hours: Not available. Average annual guaranteed value for wet-bulb temperature over 50 hours: Not available
Reply #82015-10-19
The outdoor dry-bulb temperature for air conditioning calculations in summer should be based on the __annual average dry-bulb temperature, excluding the 50 hours for which coverage is not guaranteed__; For the outdoor calculated wet-bulb temperature of air conditioning in summer, ____the average dry-bulb temperature over the past ____ years, with a 50-hour guarantee period, should be used__.
Reply #92015-10-19
For the outdoor dry-bulb temperature calculation of air conditioning in summer, the average dry-bulb temperature over the years, excluding the 50 hours for which assurance is not provided, should be used. ; For the outdoor calculated wet-bulb temperature of air conditioning in summer, the average wet-bulb temperature over the years, with a 50-hour guarantee, should be used.
Reply #102015-10-19
For the outdoor dry-bulb temperature calculation of air conditioning in summer, the average dry-bulb temperature over the years, excluding the 50 hours for which assurance is not provided, should be used. For summer air conditioning, the outdoor calculated wet-bulb temperature should be based on the average wet-bulb temperature over the years, excluding the 50 hours for which no guarantee is provided
Reply #112015-10-19
For the outdoor dry-bulb temperature used in air conditioning calculations during summer, the _____ average dry-bulb temperature over the years, with a guarantee of no less than 50 hours, should be adopted____; For the outdoor calculated wet-bulb temperature of air conditioning in summer, _____the average wet-bulb temperature over the years, with a guarantee of no less than 50 hours of such measurements_____ should be used.

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