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PARTLOAD FUEL ECONOMY CHARACTERISTICS OF 300 kW CLASS GAS TURBINES

机译：零件燃油经济特性为300千瓦级燃气轮机

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The partload fuel consumption characteristics of single and, two shaft recuperated, and two spool intercooled recuperative small 300 kw class gas turbines were studied in order to compare with an advanced diesel engine. With variable speed and either constant turbine inlet temperature or constant turbine exhaust temperature these three engines were judged to potentially possess a normalized fuel consumption versus load characteristic comparing favorably with that of a Diesel engine. This is moreover without the complications of many past patented Brayton cycle novel concepts conceived to achieve nearly constant thermal efficiency. Fundamentally part load optimization for a specific gas turbine engine focuses upon the slope of its fuel consumption versus power from the design point to the idle condition. The idle condition is typically set by a specified accessory load above that of the no load, or self sustaining speed, and or lean blow out limit of the combustor. It is shown that although this fuel flow slope can be slightly changed with component efficiency fall off characteristics, or with dual engine packs, for a single engine it is dominated by the two end points, the design and no load fuel flows The premise that such 300 kw class gas turbines could however challenge the manufacturing, and direct operating costs of an advanced technology Diesel engine, besides meeting future emissions regulations remains to be aggressively pursued.
机译：研究了单个和两个轴恢复的零件燃料消耗特性，以及两个阀芯中间型恢复小型300 kW级燃气轮机进行了研究，以便与先进的柴油发动机进行比较。具有变速和恒定的涡轮机入口温度或恒定涡轮机排气温度，这三个发动机被判断为可能具有归一化的燃料消耗与柴油发动机的载荷特性相比。这是没有许多过去专利布雷顿循环的并发症的新颖概念，他们构思了几乎恒定的热效率。特定燃气涡轮发动机的基本零件负荷优化聚焦在其燃料消耗的斜率与功率从设计点到怠速状态。空闲条件通常由上方的指定附件负载设置，或者是燃烧器的无负载的速度和自维持速度，或倾斜吹出限制。结果表明，尽管这种燃料流斜率可以随着元件效率脱落特性略微改变，或者用双发动机包，用于单个发动机，它由两个端点主导，设计和没有负载燃料流动这样的前提然而，除了满足未来的排放法规，300千瓦级燃气轮机可以挑战先进技术柴油发动机的制造，直接运营成本。

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