Added water vapour pressure data,

and functions for converting torr <-> pascal.

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: common
 Type: Package
 Title: chepec common
-Version: 0.0.0.9006
+Version: 0.0.0.9007
 Description: Commonly used functions and scripts.
 Authors@R: person("Taha", "Ahmed", email = "taha@chepec.se", role = c("aut", "cre"))
 License: GPL-3

NAMESPACE

@@ -21,11 +21,13 @@ export(int2padstr)
 export(is.wholenumber)
 export(molarity2mass)
 export(numbers2words)
+export(pascal2torr)
 export(potentials.as.SHE)
 export(roundup)
 export(simpleCap)
 export(siunitx.uncertainty)
 export(thth2d)
+export(torr2pascal)
 export(trapz)
 export(wavelength2num)
 export(wavenum2length)

R/data.R

@@ -0,0 +1,18 @@
+#' @name vapourwater
+#' @title Vapour pressure and other saturation properties of water
+#' @description A dataset summarising vapour pressure, enthalpy of vapourisation,
+#'     and surface tension of water from 0.01 Celsius to 373.95 Celsius.
+#'     Data as accepted by the International Association for the Properties
+#'     of Water and Steam for general scientific use.
+#'     Source: CRC handbook, 94th ed., table 6-10-90, Eric W. Lemmon.
+#' @docType data
+#' @format A data frame with 189 rows and 4 variables:
+#' \describe{
+#'   \item{temperature}{temperature/celsius}
+#'   \item{pressure}{pressure/kilopascal}
+#'   \item{enthalpy}{enthalpy of vapourisation/kilojoule per kilogram}
+#'   \item{surfacetension}{surface tension/millinewton per metre}
+#' }
+#' @source Handbook of Chemistry and Physics, 94th ed., 6-10-90, Eric W. Lemmon.
+#' @author Taha Ahmed
+NULL

R/unit-converters.R

@@ -53,7 +53,7 @@ wavelength2num <- function(wavelength) {
 #'
 #' @param wavenumber  number or vector of numbers
 #'
-#' @return number ofr vector
+#' @return number or vector
 #' @export
 wavenum2length <- function(wavenumber) {
    wavelength <-
@@ -62,6 +62,37 @@ wavenum2length <- function(wavenumber) {
 }
 
 
+#' Convert Pascal to Torr
+#'
+#' @param pascal numeric (note: please supply Pa, not kPa)
+#'
+#' @return torr, numeric
+#' @export
+pascal2torr <- function(pascal) {
+   # 1 Pascal == newton per square metre == kg per metre second squared
+   # 1 Torr == 1/760 atm
+   # 1 atm == 101325 Pascal
+   torr <- pascal / 101325 * 760
+   return(torr)
+}
+
+
+#' Convert Torr to Pascal
+#'
+#' @param torr numeric
+#'
+#' @return pascal, numeric (note returns Pa, not kPa)
+#' @export
+torr2pascal <- function(torr) {
+   # 1 Pascal == newton per square metre == kg per metre second squared
+   # 1 Torr == 1/760 atm
+   # 1 atm == 101325 Pascal
+   # torr <- pascal / 101325 * 760
+   pascal <- torr * 101325 / 760
+   return(pascal)
+}
+
+
 #' Convert from radians to degrees
 #'
 #' @param radians numeric

README

@@ -0,0 +1,4 @@
+A collection of general functions and data
+
+Includes common numerical functions, unit converters,
+some LaTeX-specific functions, as well as reference data.

data/vapourwater.csv

@@ -0,0 +1,190 @@
+"T/degreeCelsius","P/kPa","dvapH/kJ kg-1","surface tension/mN m-1"
+0.01,0.61165,2500.9,75.65
+2,0.70599,2496.2,75.37
+4,0.81355,2491.4,75.08
+6,0.93536,2486.7,74.8
+8,1.073,2481.9,74.51
+10,1.2282,2477.2,74.22
+12,1.4028,2472.5,73.93
+14,1.599,2467.7,73.63
+16,1.8188,2463,73.34
+18,2.0647,2458.3,73.04
+20,2.3393,2453.5,72.74
+22,2.6453,2448.8,72.43
+24,2.9858,2444,72.13
+25,3.1699,2441.7,71.97
+26,3.3639,2439.3,71.82
+28,3.7831,2434.6,71.51
+30,4.247,2429.8,71.19
+32,4.7596,2425.1,70.88
+34,5.3251,2420.3,70.56
+36,5.9479,2415.5,70.24
+38,6.6328,2410.8,69.92
+40,7.3849,2406,69.6
+42,8.2096,2401.2,69.27
+44,9.1124,2396.4,68.94
+46,10.099,2391.6,68.61
+48,11.177,2386.8,68.28
+50,12.352,2381.9,67.94
+52,13.631,2377.1,67.61
+54,15.022,2372.3,67.27
+56,16.533,2367.4,66.93
+58,18.171,2362.5,66.58
+60,19.946,2357.7,66.24
+62,21.867,2352.8,65.89
+64,23.943,2347.8,65.54
+66,26.183,2342.9,65.19
+68,28.599,2338,64.84
+70,31.201,2333,64.48
+72,34,2328.1,64.12
+74,37.009,2323.1,63.76
+76,40.239,2318.1,63.4
+78,43.703,2313,63.04
+80,47.414,2308,62.67
+82,51.387,2302.9,62.31
+84,55.635,2297.9,61.94
+86,60.173,2292.8,61.56
+88,65.017,2287.6,61.19
+90,70.182,2282.5,60.82
+92,75.684,2277.3,60.44
+94,81.541,2272.1,60.06
+96,87.771,2266.9,59.68
+98,94.39,2261.7,59.3
+100,101.42,2256.4,58.91
+102,108.87,2251.1,58.53
+104,116.78,2245.8,58.14
+106,125.15,2240.4,57.75
+108,134.01,2235.1,57.36
+110,143.38,2229.6,56.96
+112,153.28,2224.2,56.57
+114,163.74,2218.7,56.17
+116,174.77,2213.2,55.77
+118,186.41,2207.7,55.37
+120,198.67,2202.1,54.97
+122,211.59,2196.5,54.56
+124,225.18,2190.9,54.16
+126,239.47,2185.2,53.75
+128,254.5,2179.5,53.34
+130,270.28,2173.7,52.93
+132,286.85,2167.9,52.52
+134,304.23,2162.1,52.11
+136,322.45,2156.2,51.69
+138,341.54,2150.3,51.27
+140,361.54,2144.3,50.86
+142,382.47,2138.3,50.44
+144,404.37,2132.2,50.01
+146,427.26,2126.1,49.59
+148,451.18,2119.9,49.17
+150,476.16,2113.7,48.74
+152,502.25,2107.5,48.31
+154,529.46,2101.2,47.89
+156,557.84,2094.8,47.46
+158,587.42,2088.4,47.02
+160,618.23,2082,46.59
+162,650.33,2075.5,46.16
+164,683.73,2068.9,45.72
+166,718.48,2062.3,45.28
+168,754.62,2055.6,44.85
+170,792.19,2048.8,44.41
+172,831.22,2042,43.97
+174,871.76,2035.1,43.52
+176,913.84,2028.2,43.08
+178,957.51,2021.2,42.64
+180,1002.8,2014.2,42.19
+182,1049.8,2007,41.74
+184,1098.5,1999.8,41.3
+186,1148.9,1992.6,40.85
+188,1201.1,1985.3,40.4
+190,1255.2,1977.9,39.95
+192,1311.2,1970.4,39.49
+194,1369.1,1962.8,39.04
+196,1429,1955.2,38.59
+198,1490.9,1947.5,38.13
+200,1554.9,1939.7,37.67
+202,1621,1931.9,37.22
+204,1689.3,1923.9,36.76
+206,1759.8,1915.9,36.3
+208,1832.6,1907.8,35.84
+210,1907.7,1899.6,35.38
+212,1985.1,1891.4,34.92
+214,2065,1883,34.46
+216,2147.3,1874.6,33.99
+218,2232.2,1866,33.53
+220,2319.6,1857.4,33.07
+222,2409.6,1848.6,32.6
+224,2502.3,1839.8,32.14
+226,2597.8,1830.9,31.67
+228,2696,1821.8,31.2
+230,2797.1,1812.7,30.74
+232,2901,1803.5,30.27
+234,3008,1794.1,29.8
+236,3117.9,1784.7,29.33
+238,3230.8,1775.1,28.86
+240,3346.9,1765.4,28.39
+242,3466.2,1755.6,27.92
+244,3588.7,1745.7,27.45
+246,3714.5,1735.6,26.98
+248,3843.6,1725.5,26.51
+250,3976.2,1715.2,26.04
+252,4112.2,1704.7,25.57
+254,4251.8,1694.2,25.1
+256,4394.9,1683.5,24.63
+258,4541.7,1672.6,24.16
+260,4692.3,1661.6,23.69
+262,4846.6,1650.5,23.22
+264,5004.7,1639.2,22.75
+266,5166.8,1627.8,22.28
+268,5332.9,1616.2,21.81
+270,5503,1604.4,21.34
+272,5677.2,1592.5,20.87
+274,5855.6,1580.4,20.4
+276,6038.3,1568.1,19.93
+278,6225.2,1555.6,19.46
+280,6416.6,1543,18.99
+282,6612.4,1530.1,18.53
+284,6812.8,1517.1,18.06
+286,7017.7,1503.8,17.59
+288,7227.4,1490.4,17.13
+290,7441.8,1476.7,16.66
+292,7661,1462.7,16.2
+294,7885.2,1448.6,15.74
+296,8114.3,1434.2,15.28
+298,8348.5,1419.5,14.82
+300,8587.9,1404.6,14.36
+302,8832.5,1389.4,13.9
+304,9082.4,1374,13.45
+306,9337.8,1358.2,12.99
+308,9598.6,1342.1,12.54
+310,9865.1,1325.7,12.09
+312,10137,1309,11.64
+314,10415,1291.9,11.19
+316,10699,1274.5,10.75
+318,10989,1256.6,10.3
+320,11284,1238.4,9.86
+322,11586,1219.7,9.43
+324,11895,1200.6,8.99
+326,12209,1180.9,8.56
+328,12530,1160.8,8.13
+330,12858,1140.2,7.7
+332,13193,1118.9,7.28
+334,13534,1097.1,6.86
+336,13882,1074.6,6.44
+338,14238,1051.3,6.03
+340,14601,1027.3,5.63
+342,14971,1002.5,5.22
+344,15349,976.7,4.83
+346,15734,949.9,4.43
+348,16128,922,4.05
+350,16529,892.7,3.67
+352,16939,862.1,3.29
+354,17358,829.8,2.93
+356,17785,795.5,2.57
+358,18221,759,2.22
+360,18666,719.8,1.88
+362,19121,677.3,1.55
+364,19585,630.5,1.23
+366,20060,578.2,0.93
+368,20546,517.8,0.65
+370,21044,443.8,0.39
+372,21554,340.3,0.16
+373.95,22064,0,0

man/pascal2torr.Rd

@@ -0,0 +1,17 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/unit-converters.R
+\name{pascal2torr}
+\alias{pascal2torr}
+\title{Convert Pascal to Torr}
+\usage{
+pascal2torr(pascal)
+}
+\arguments{
+\item{pascal}{numeric (note: please supply Pa, not kPa)}
+}
+\value{
+torr, numeric
+}
+\description{
+Convert Pascal to Torr
+}

man/torr2pascal.Rd

@@ -0,0 +1,17 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/unit-converters.R
+\name{torr2pascal}
+\alias{torr2pascal}
+\title{Convert Torr to Pascal}
+\usage{
+torr2pascal(torr)
+}
+\arguments{
+\item{torr}{numeric}
+}
+\value{
+pascal, numeric (note returns Pa, not kPa)
+}
+\description{
+Convert Torr to Pascal
+}

man/vapourwater.Rd

@@ -0,0 +1,26 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data.R
+\docType{data}
+\name{vapourwater}
+\alias{vapourwater}
+\title{Vapour pressure and other saturation properties of water}
+\format{A data frame with 189 rows and 4 variables:
+\describe{
+  \item{temperature}{temperature/celsius}
+  \item{pressure}{pressure/kilopascal}
+  \item{enthalpy}{enthalpy of vapourisation/kilojoule per kilogram}
+  \item{surfacetension}{surface tension/millinewton per metre}
+}}
+\source{
+Handbook of Chemistry and Physics, 94th ed., 6-10-90, Eric W. Lemmon.
+}
+\description{
+A dataset summarising vapour pressure, enthalpy of vapourisation,
+    and surface tension of water from 0.01 Celsius to 373.95 Celsius.
+    Data as accepted by the International Association for the Properties
+    of Water and Steam for general scientific use.
+    Source: CRC handbook, 94th ed., table 6-10-90, Eric W. Lemmon.
+}
+\author{
+Taha Ahmed
+}

man/wavenum2length.Rd

@@ -10,7 +10,7 @@ wavenum2length(wavenumber)
 \item{wavenumber}{number or vector of numbers}
 }
 \value{
-number ofr vector
+number or vector
 }
 \description{
 Converts wavenumber (cm-1) to wavelength (nm)