Struct Engine 

pub struct Engine { /* private fields */ }

Implementations

impl Engine

pub fn new(file_name: &str, gas: &Gas) -> Result<Engine, String>

pub fn advance(&mut self, dt: f64)

pub fn calc_operational_param( &mut self, press: Vec<ArrayView1<'_, f64>>, vol: Vec<ArrayView1<'_, f64>>, )

pub fn write_performance_to(&self, file_name: &str)

Examples found in repository

examples/Ryobi_26_engine.rs (line 47)

fn main() {

    let gas = Gas::new("air.json");
    let gas_intake = Gas::new("air.json");
    let mut gas_exhaust = Gas::new("air.json");
    gas_exhaust.TPX(500.0, 101325.0, "N2:0.662586, H2O:0.202449, CO2:0.134965");
    
    let mut builder = lmb::SystemBuilder::new();
    builder.add_engine("engine_Ryobi.json", &gas)
        .add_environment("ambient", &gas)
        .add_reservoir("int_plenum", 250.0, &gas_intake)
        .add_reservoir("int_port", 2.04, &gas_intake)
        .add_reservoir("exh_port", 2.04, &gas_exhaust)
        .add_reservoir("exh_plenum_1", 95.0, &gas_exhaust)
        .add_reservoir("exh_plenum_2", 158.0, &gas_exhaust)
        .add_orifice("int_plenum -> amb 1", 9.5, 0.92, vec!["ambient", "int_plenum"])
        .add_orifice("int_plenum -> amb 2", 9.5, 0.92, vec!["ambient", "int_plenum"])
        .add_orifice("int_plenum -> int_port", 6.5, 0.78, vec!["int_plenum", "int_port"])
        .add_orifice("exh_plenum_2 -> amb", 8.9, 0.78, vec!["exh_plenum_2", "ambient"])
        .add_orifice("exh_plenum_1 -> exh_plenum_2", 12.7, 0.78, vec!["exh_plenum_1", "exh_plenum_2"])
        .add_orifice("exh_port -> exh_plenum_1", 10.8, 0.78, vec!["exh_port", "exh_plenum_1"])
        .connect_from_to("valve_int", "int_port")
        .connect_from_to("valve_exh", "exh_port");
    
    let mut system = builder.build_system(); 

    // Calculating
    for speed in vec![5000.0, 5500.0, 6000.0, 6500.0, 7000.0, 7500.0, 8000.0, 8500.0, 9000.0] {
        system.engine_mut().unwrap().set_speed(speed);
        system.advance_to_steady_state();

        // Writting data
        let folder_name = format!("./Ryobi_26_results/{:.0}_", speed);
        system.write_to_file( &(folder_name.clone() + "cylinder.txt"), "cyl_1", None);
        system.write_to_file(&(folder_name.clone() + "int_plenum.txt"), "int_plenum", None);
        system.write_to_file(&(folder_name.clone() + "int_port.txt"), "int_port", None);
        system.write_to_file(&(folder_name.clone() + "exh_port.txt"), "exh_port", None);
        system.write_to_file(&(folder_name.clone() + "exh_plenum_1.txt"), "exh_plenum_1", None);
        system.write_to_file(&(folder_name.clone() + "exh_plenum_2.txt"), "exh_plenum_2", None);
        system.write_to_file(&(folder_name.clone() + "int_valve.txt"), "valve_int", None);
        system.write_to_file(&(folder_name.clone() + "exh_valve.txt"), "valve_exh", None);
    }

    system.engine().unwrap().write_performance_to("./Ryobi_26_results/engine_performance.txt");

}

pub fn update_cylinders_flow_ratio( &mut self, flow_ratio: Vec<Vec<(&str, &FlowRatio)>>, )

pub fn set_speed(&mut self, speed: f64)

Set engine speed, input in RPM

Examples found in repository

examples/Ryobi_26_engine.rs (line 32)

fn main() {

    let gas = Gas::new("air.json");
    let gas_intake = Gas::new("air.json");
    let mut gas_exhaust = Gas::new("air.json");
    gas_exhaust.TPX(500.0, 101325.0, "N2:0.662586, H2O:0.202449, CO2:0.134965");
    
    let mut builder = lmb::SystemBuilder::new();
    builder.add_engine("engine_Ryobi.json", &gas)
        .add_environment("ambient", &gas)
        .add_reservoir("int_plenum", 250.0, &gas_intake)
        .add_reservoir("int_port", 2.04, &gas_intake)
        .add_reservoir("exh_port", 2.04, &gas_exhaust)
        .add_reservoir("exh_plenum_1", 95.0, &gas_exhaust)
        .add_reservoir("exh_plenum_2", 158.0, &gas_exhaust)
        .add_orifice("int_plenum -> amb 1", 9.5, 0.92, vec!["ambient", "int_plenum"])
        .add_orifice("int_plenum -> amb 2", 9.5, 0.92, vec!["ambient", "int_plenum"])
        .add_orifice("int_plenum -> int_port", 6.5, 0.78, vec!["int_plenum", "int_port"])
        .add_orifice("exh_plenum_2 -> amb", 8.9, 0.78, vec!["exh_plenum_2", "ambient"])
        .add_orifice("exh_plenum_1 -> exh_plenum_2", 12.7, 0.78, vec!["exh_plenum_1", "exh_plenum_2"])
        .add_orifice("exh_port -> exh_plenum_1", 10.8, 0.78, vec!["exh_port", "exh_plenum_1"])
        .connect_from_to("valve_int", "int_port")
        .connect_from_to("valve_exh", "exh_port");
    
    let mut system = builder.build_system(); 

    // Calculating
    for speed in vec![5000.0, 5500.0, 6000.0, 6500.0, 7000.0, 7500.0, 8000.0, 8500.0, 9000.0] {
        system.engine_mut().unwrap().set_speed(speed);
        system.advance_to_steady_state();

        // Writting data
        let folder_name = format!("./Ryobi_26_results/{:.0}_", speed);
        system.write_to_file( &(folder_name.clone() + "cylinder.txt"), "cyl_1", None);
        system.write_to_file(&(folder_name.clone() + "int_plenum.txt"), "int_plenum", None);
        system.write_to_file(&(folder_name.clone() + "int_port.txt"), "int_port", None);
        system.write_to_file(&(folder_name.clone() + "exh_port.txt"), "exh_port", None);
        system.write_to_file(&(folder_name.clone() + "exh_plenum_1.txt"), "exh_plenum_1", None);
        system.write_to_file(&(folder_name.clone() + "exh_plenum_2.txt"), "exh_plenum_2", None);
        system.write_to_file(&(folder_name.clone() + "int_valve.txt"), "valve_int", None);
        system.write_to_file(&(folder_name.clone() + "exh_valve.txt"), "valve_exh", None);
    }

    system.engine().unwrap().write_performance_to("./Ryobi_26_results/engine_performance.txt");

}

pub fn set_displacement(&mut self, disp: f64)

Set engine displacement, input in cm³

pub fn set_compression_ratio_of(&mut self, cyl: &str, comp_ratio: f64)

Set cylinder cyl compression ratio

pub fn set_combustion_model(&mut self, comb: &Box<dyn Combustion>)

Set combustion model for all cylinders

pub fn set_air_fuel_ratio(&mut self, afr: f64)

Set injectors relative air-fuel ratio, input between 0 and 1

pub fn store_species(&mut self, state: bool)

Set if the species inside the cylinder should be storable

pub fn cylinders<'a>(&'a self) -> &'a Vec<Cylinder>

Returns a reference to the cylinders in the engine

pub fn valves<'a>(&'a self) -> &'a Vec<Valve>

Returns a reference to the valves in the engine

pub fn bore(&self) -> f64

Returns cylinders bore in mm

pub fn firing_order(&self) -> String

Returns the firing order of the cylinders

pub fn eccentricity(&self) -> f64

Returns cylinders eccentricity in mm

pub fn combustion_model(&self) -> String

Returns the combustion model name

pub fn injector(&self) -> Option<&Injector>

pub fn sec_to_rad(&self) -> f64

Returns the constant multiplier to change from seconds to crank-angle degrees

pub fn operat_param(&self) -> &OperationalParameters