specific fuel consumption

A formula of relationship of power and specific fuel consumption with height above sea level has been put forward.

提出了功率和耗油率随海拔高度变化的关系式；

A Research on Specific Fuel Consumption Measuring on-board Tank Diesel Engine

坦克柴油机比油耗实车测试的研究

The experimental results show that under preliminary fuel delivery is 7.1%, and interval angle between pilot and main injection fuel is 10 ℃ A. nice test results are achieved for reduced NO X emission and improving soot and specific fuel consumption.

试验表明：预喷油量为7.1%，主、副喷射间隔角10℃A时，获得了NOx排放明显降低、碳烟和油耗率都得到改善的效果。

The performance of aero engine ( thrust-to-weight ratio, specific fuel consumption) can be improved by increasing the turbine inlet temperature and the compressor pressure ratio.

在提高压气机压比的同时，提升涡轮前温度是改善航空燃气涡轮发动机性能（推重比、耗油率）的有效措施。

Counter-rotating turbine technology can have great advantages on improving the thrust-weight ratio, specific fuel consumption and the overall performance of an aeroengine, but it also brings a lot of pressing problems.

对转涡轮技术在提高涡轮航空发动机推重比、降低耗油率以及提高飞机的整机性能等方面具有明显的优势，但是同时也带来很多急需解决的问题。

However, the diesel engines require expensive aftertreatment and engine combustion strategies that lead to higher specific fuel consumption.

但是，柴油机需要用到昂贵的后处理装置，且各种燃烧策略的运用直接导致燃油耗增加。

Tip clearance has much effect on the properties of aero-engine. As the reference of the project design, the numerical computation of tip clearance can improve the aero-engine performance, reliability and to reduce the specific fuel consumption ( SFC).

叶尖间隙对航空发动机性能有较大的影响，研究叶尖间隙的数值分析技术可以为工程设计提供参考，从而提高航空发动机的工作性能、可靠性和耐久性。

Theory and analysis of fuel specific consumption and thermodynamic parameter matching of boiler and turbine of SC or USC units

单耗分析理论与超（超）临界机组机炉参数匹配问题研究