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首页> 外文会议>2001 International gas research conference >C.H.D. METHOD FOR THE INDIRECT DETERMINATION OF BOILERS EFFICIENCY : MORE ACCURATE AND CHEAPER
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C.H.D. METHOD FOR THE INDIRECT DETERMINATION OF BOILERS EFFICIENCY : MORE ACCURATE AND CHEAPER

机译：C.H.D.锅炉效率的间接测定方法：更准确，更便宜

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摘要

If the indirect determination of the boiler efficiency is not a new idea, some recent investigations have shown that the accuracy might be better with this approach than with the use of direct method. This is especially true for the new efficient boilers which have an increasing share of the market and which might become the main market of tomorrow. As a matter of fact, a method based on the determination of the boiler losses is in fact more accurate the lower the losses are.rnFurthermore there are several methods for the determination of the flue gas losses and cases losses. More particularly the flue gas losses method called Combustion Hygrometric Diagram (C.H.D.) is based on a new concept where the flue gas losses are determined with only few measurements. Because the measurement on gas or fuel oil and especially on flow and calorific value are the largest sources of errors this method avoiding a precise measurement on heat input offers very significant advantages relating the accuracy and costs [1,2].
机译：如果间接确定锅炉效率不是一个新主意，最近的一些研究表明，这种方法的精度可能比直接方法更好。对于新型高效锅炉而言尤其如此，其市场份额不断增加，并且有可能成为未来的主要市场。事实上，基于锅炉损失确定的方法实际上越准确，损失越低。此外，还有几种确定烟气损失和案例损失的方法。更特别地，称为燃烧湿度图（C.H.D.）的烟气损失方法基于新概念，其中仅需很少的测量即可确定烟气损失。因为对汽油或燃料油的测量，尤其是对流量和热值的测量是最大的误差来源，所以这种避免对热量输入进行精确测量的方法在准确性和成本方面具有非常重要的优势[1,2]。

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