vein (version 0.6.0)

ef_hdv_speed: Emissions factors for Heavy Duty Vehicles based on average speed

Description

This function returns speed dependent emission factors. The emission factors comes from the guidelines EMEP/EEA air pollutant emission inventory guidebook http://www.eea.europa.eu/themes/air/emep-eea-air-pollutant-emission-inventory-guidebook

Usage

ef_hdv_speed(v, t, g, eu, x, gr = 0, l = 0.5, p, k = 1,
  show.equation = FALSE)

Arguments

v

Category vehicle: "Coach", "Trucks" or "Ubus"

t

Sub-category of of vehicle: "3Axes", "Artic", "Midi", "RT, "Std" and "TT"

g

Gross weight of each category: "<=18", ">18", "<=15", ">15 & <=18", "<=7.5", ">7.5 & <=12", ">12 & <=14", ">14 & <=20", ">20 & <=26", ">26 & <=28", ">28 & <=32", ">32", ">20 & <=28", ">28 & <=34", ">34 & <=40", ">40 & <=50" or ">50 & <=60"

eu

Euro emission standard: "PRE", "I", "II", "III", "IV", "V", "II+CRDPF", "III+CRDPF", "IV+CRDPF", "II+SCR", "III+SCR" and "V+SCR".

x

Numeric; if pollutant is "SO2", it is sulphur in fuel in ppm, if is "Pb", Lead in fuel in ppm.

gr

Gradient or slope of road: -0.06, -0.04, -0.02, 0.00, 0.02. 0.04 or 0.06

l

Load of the vehicle: 0.0, 0.5 or 1.0

p

Character; pollutant: "CO", "FC", "NOx", "NO", "NO2", "HC", "PM", "NMHC", "CH4", "CO2", "SO2" or "Pb". Only when p is "SO2" pr "Pb" x is needed. Also polycyclic aromatic hydrocarbons (PAHs), persistent organi pollutants (POPs), and Number of particles and Active Surface.

k

Multiplication factor

show.equation

Option to see or not the equation parameters

Value

an emission factor function which depends of the average speed V g/km

Examples

# NOT RUN {
{
# Quick view
pol <- c("CO", "NOx", "HC", "NMHC", "CH4", "FC", "PM", "CO2", "SO2",
"AS_urban", "AS_rural", "AS_highway",
"N_urban", "N_rural", "N_highway",
"N_50nm_urban", "N_50_100nm_rural", "N_100_1000nm_highway")
f <- sapply(1:length(pol), function(i){
print(pol[i])
ef_hdv_speed(v = "Trucks",t = "RT", g = "<=7.5", e = "II", gr = 0,
l = 0.5, p = pol[i], x = 10)(30)
})
f
# PAH POP
ef_hdv_speed(v = "Trucks",t = "RT", g = "<=7.5", e = "II", gr = 0,
l = 0.5, p = "napthalene", x = 10)(30)
ef_hdv_speed(v = "Trucks",t = "RT", g = "<=7.5", e = "II", gr = 0,
l = 0.5, p = "fluoranthene", x = 10)(30)

# Dioxins and Furans
ef_hdv_speed(v = "Trucks",t = "RT", g = "<=7.5", e = "II", gr = 0,
l = 0.5, p = "PCB", x = 10)(30)

# NMHC
ef_hdv_speed(v = "Trucks",t = "RT", g = "<=7.5", e = "II", gr = 0,
l = 0.5, p = "heptane", x = 10)(30)

V <- 0:130
ef1 <- ef_hdv_speed(v = "Trucks",t = "RT", g = "<=7.5", e = "II", gr = 0,
l = 0.5, p = "HC")
plot(1:130, ef1(1:130), pch = 16, type = "b")
euro <- c(rep("V", 5), rep("IV", 5), rep("III", 5), rep("II", 5),
          rep("I", 5), rep("PRE", 15))
lef <- lapply(1:30, function(i) {
ef_hdv_speed(v = "Trucks", t = "RT", g = ">32", gr = 0,
eu = euro[i], l = 0.5, p = "NOx",
show.equation = FALSE)(25) })
efs <- EmissionFactors(unlist(lef)) #returns 'units'
plot(efs, xlab = "age")
lines(efs, type = "l")
}
# }