* Constant per revolution;
* Fuel consumption by speed and torque;
* Brake specific fuel consumption by speed and torque;
* Brake specific fuel consumption by speed and brake mean effective pressure.
数据类型
漂浮64
复数支持
非也。
参数
Main
#Cylinder bore —
活塞缸壁内径
m | um | mm | cm | km | in | ft | yd | mi | nmi
Details
活塞缸壁的内径。 座 *Piston*使用此参数计算扭矩插值表。 您必须指定大于零的值。
计量单位
m | um | mm | cm | km | in | ft | yd | mi | nmi
默认值
0.1 m
程序使用名称
cylinder_bore
可计算
是
#Piston stroke —
活塞前进行程的长度
m | um | mm | cm | km | in | ft | yd | mi | nmi
#Fuel consumption model —
燃料消耗参数化
No fuel consumption | Constant per revolution | Fuel consumption by speed and torque | Brake specific fuel consumption by speed and torque | Brake specific fuel consumption by speed and brake mean effective pressure
Details
的油耗计算模型。 模型的参数化与典型的工业数据兼容。
如果为参数 *Fuel consumption model*选择任何值,但 No fuel consumption,则激活*FC*端口及其关联参数。 如果值设置为 No fuel consumption 单位不会计算油耗。 选择此值可提高仿真速度。
值
No fuel consumption | Constant per revolution | Fuel consumption by speed and torque | Brake specific fuel consumption by speed and torque | Brake specific fuel consumption by speed and brake mean effective pressure
默认值
No fuel consumption
程序使用名称
fuel_consumption_model
可计算
无
#Fuel consumption per revolution —
每个曲柄转速的燃料消耗
mg/rev | kg/rad
Details
曲轴每转一圈消耗的燃料量。
依赖关系
若要使用此参数,请为参数设置 *Fuel consumption model*价值 Constant per revolution.
* Fuel consumption by speed and torque;
* Brake specific fuel consumption by speed and torque;
* Brake specific fuel consumption by speed and brake mean effective pressure.
#Interpolation method —
转速和转矩对给定范围内的值的依赖性
Linear | Smooth
Details
转速和转矩的中间值时计算燃料消耗的插值方法。 燃料消耗在插值表中指示的范围之外保持恒定。
依赖关系
若要使用此参数,请为参数设置 *Fuel consumption model*下列值之一:
* Fuel consumption by speed and torque;
* Brake specific fuel consumption by speed and torque;
* Brake specific fuel consumption by speed and brake mean effective pressure.
选择值时 Brake specific fuel consumption by speed and torque 为参数 *Fuel consumption model*该参数是制动过程中特定燃料消耗的指标矩阵,对应于发动机速度和扭矩的矢量。
选择值时 Brake specific fuel consumption by speed and brake mean effective pressure 为参数 *Fuel consumption model*该参数是制动期间特定燃料消耗的指标矩阵,其对应于制动期间发动机速度和平均有效压力的向量。 行数必须等于参数中的元素数。 *Speed vector*. 列数必须等于参数中的项数。 *Brake mean effective pressure vector*.
依赖关系
若要使用此参数,请为参数设置 *Fuel consumption model*价值 Brake specific fuel consumption by speed and torque 或 Brake specific fuel consumption by speed and brake mean effective pressure.
#Brake mean effective pressure vector —
产生给定扭矩所需的气缸内平均压力
Pa | uPa | hPa | kPa | MPa | GPa | kgf/m^2 | kgf/cm^2 | kgf/mm^2 | mbar | bar | kbar | atm | ksi | psi | mmHg | inHg
Details
平均有效制动压力的值的向量。 平均有效制动压力的值满足表达式
哪里
* -输出扭矩;
* —每转的周期数;
* -气缸的工作容积。
依赖关系
若要使用此参数,请为参数设置 *Fuel consumption model*价值 Fuel consumption by speed and torque 或 Brake specific fuel consumption by speed and brake mean effective pressure.