نتایج جستجو برای: heating degree days and cooling degree days
تعداد نتایج: 16868522 فیلتر نتایج به سال:
in this research, the statistics of daily temperature of meteorology stations for estimating the probable occurrence of the first and last frost temperature, the phonological thresholds of saffron and its flowering and irrigation dates were explored. furthermore, by applying different methods, the probabilities of the attained dates in different probability levels were fit in smada software. th...
Optimal operation of the combined heat and power system (CHP) depends on the degree of its flexibility and type of operation. So, the financial and technical challenges both in choosing and economic operation of these systems will be raised. In this paper, at first, a CHP system, including auxiliary boiler, absorption and auxiliary cooling system, has change to a flexible system by adding therm...
one of the most commonly used techniques to reduce the corrosion rate of rebar in concrete is addition substances named corrosion inhibitors into the concrete. corrosion inhibitor is chemical compounds that were added to concrete to prevent corrosion of steel in concrete. sodium nitrate is a type of anodic inhibitors that this study investigatesthe effect of this inhibitor on the properties of ...
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