air_meas {formatdown}

Air density measurements

Description

Table of air properties at room temperature and pressure, simulating multiple measurements at approximately steady state,

Usage

data(air_meas, package = "formatdown")

Format

Classes data.table and data.frame: 5 observations of 7 variables:

date

"Date" class format "YYYY-MM-DD".

trial

Character, label "a" through "e".

humid

Factor, humidity, "low", "med", or "high."

temp

Numeric, measured temperature (K).

pres

Numeric, measured atmospheric pressure (Pa).

sp_gas

Numeric, specific gas constant in mass form R_{sp}, ideal gas reference value, (J kg^{-1}K^{-1}).

dens

Numeric, calculated air density \rho = pR_{sp}^{-1}T^{-1} (kg m^{-3}).