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ZHENG Chunbing. 船用燃气轮机回热器设计的数值研究[J]. Chinese Journal of Ship Research, 2012, 7(5): 79-82. DOI: 10.3969/j.issn.1673-3185.2012.05.014
Citation:
ZHENG Chunbing. 船用燃气轮机回热器设计的数值研究[J]. Chinese Journal of Ship Research, 2012, 7(5): 79-82. DOI: 10.3969/j.issn.1673-3185.2012.05.014
ZHENG Chunbing. 船用燃气轮机回热器设计的数值研究[J]. Chinese Journal of Ship Research, 2012, 7(5): 79-82. DOI: 10.3969/j.issn.1673-3185.2012.05.014
Citation:
ZHENG Chunbing. 船用燃气轮机回热器设计的数值研究[J]. Chinese Journal of Ship Research, 2012, 7(5): 79-82. DOI: 10.3969/j.issn.1673-3185.2012.05.014
船用燃气轮机回热器设计的数值研究
ZHENG Chunbing
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Abstract
回热器是提高船用燃气轮机效率的关键部件,其性能的优劣直接影响燃气轮机的特性。以往的文献在介绍回热器设计时,没有考虑冷热两侧气体(分别为空气和燃气)不同的热力性质。考虑这一实际情况,以某型船用三轴简单循环燃气轮机为母型进行回热改造,采用迭代计算的方法,编制计算程序,进行回热器的数值设计,并分析其对燃气轮机的性能的影响。结果表明,随着回热器回热度的增大,燃气轮机的效率不断提高;但当回热度超过一定值时,效率不仅不再提高,反而有所降低。
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