projects/brazil_td_country/scripts/fuel_eval.R

In ibarraespinosa/vein: Vehicular Emissions Inventories

# Exhaust ####
for (i in seq_along(metadata$vehicles)) {
  cat(
    "\n", metadata$vehicles[i],
    rep("", max(nchar(metadata$vehicles) + 1) - nchar(metadata$vehicles[i]))
  )

  x <- readRDS(paste0("veh/", metadata$vehicles[i], ".rds"))

  for (j in seq_along(pol)) {
    cat(pol[j], " ")

    ef <- ef_cetesb(
      p = pol[j],
      veh = metadata$vehicles[i],
      year = year,
      agemax = ncol(x),
      verbose = verbose
    )

    array_x <- emis_hot_td(
      veh = x,
      lkm = mileage[[metadata$vehicles[i]]],
      ef = ef,
      fortran = TRUE,
      nt = check_nt() / 2,
      verbose = verbose
    )

    x_DF <- emis_post(
      arra = array_x,
      veh = metadata$vehicles[i],
      size = metadata$size[i],
      fuel = metadata$fuel[i],
      pollutant = pol[j],
      by = "veh",
      type_emi = "Exhaust"
    )

    saveRDS(x_DF,
      file = paste0(
        "emi/",
        metadata$vehicles[i], "/",
        metadata$vehicles[i], "_",
        pol[j],
        "_DF.rds"
      )
    )
  }
  rm(array_x, ef, x, x_DF)
}

cat(paste0("\nFiles in ", getwd(), "/emi/*\n"))

# data.table ####
dt <- data.table::rbindlist(
  lapply(seq_along(pol), function(i) {
    pols <- ifelse(pol[i] == "HC", "_HC", pol[i])
    emis_merge(pols, what = "DF.rds", FALSE)
  })
)
dt$pollutant <- as.character(dt$pollutant)
dt$t <- units::set_units(dt$g, t)

dt0 <- dt[pollutant == "FC",
  round(sum(t), 2),
  by = .(fuel)
]
data.table::setkey(dt0, "fuel")

names(dt0)[2] <- "estimation_t"

dtf <- dt0[fuel]
dtf$density_tm3 <- units::set_units(dtf$density_tm3, "t/m^3")
dtf$consumption_lt <- units::set_units(dtf$consumption_lt, "l")
dtf$consumption_m3 <- units::set_units(dtf$consumption_lt, "m^3")
dtf$consumption_t <- dtf$consumption_m3 * dtf$density_tm3
dtf$estimation_consumption <- dtf$estimation_t / dtf$consumption_t
print(dtf[, c(1, 2, 6, 7)])

cat("Limpando... \n")
suppressWarnings(rm(i, j, pol, dt, dt0, dtf, factor_emi, fuel))

ls()
invisible(gc())