Gases Solved in Water - Diffusion Coefficientsĭiffusion flux tells how fast a substanse solved in another substance flows due to concentration gradients. The atmospheric Carbon Dioxide concentration year 1959 - 2015. activity.Įxposure to Carbon Monoxide - CO and health effects.Ĭlo is used as a measure of clothes thermal insulation.Ĭoncentration of Carbon Dioxide in the Atmosphere ActivityĬarbon Dioxide emission from persons vs. Phase diagram included.Ĭarbon Dioxide Concentration - Comfort LevelsĬarbon Dioxide Emission from the Human Body vs. Specific heat of Carbon Dioxide gas - CO 2 - temperatures ranging 175 - 6000 K.Ĭarbon Dioxide - Thermophysical PropertiesĬhemical, physical and thermal properties of carbon dioxide. Temperature and Pressureįigures and table with changes in Prandtl number for carbon dioxide with changes in temperature and pressure.Ĭarbon Dioxide - Specific Heat of Gas vs. Properties of saturated liquid Carbon Dioxide - CO 2 - density, specific heat, kinematic viscosity, thermal conductivity and Prandtl number.Ĭarbon Dioxide - Liquid Properties, Imperial UnitsĬarbon dioxide - Prandtl Number vs. Online calculator, figures and tables showing density and specific weight of carbon dioxide, CO 2, at temperatures ranging from -50 to 775 ☌ (-50 to 1400 ☏) at atmospheric and higher pressure - Imperial and SI Units. Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more.Īir - Diffusion Coefficients of Gases in Excess of Airĭiffusion coefficients (D 12) for gases in large excess of air at temperatures ranging 0 - 400 ☌.Įxposure limits for various air contaminants.Īmmonia - NH 3 - Concentration in Air and Health EffectsĪmmonia and health symptoms - smell and threat to life.Ĭarbon dioxide - Density and Specific Weight vs. Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more. Involving velocity, pressure, density and temperature as functions of space and time. person (m 3/h person)Ĭ i - carbon dioxide concentration in the make up air *) (m 3/m 3)Ĭ 0 - carbon dioxide concentration in the room at start, t = 0 (m 3/m 3) ![]() ![]() Q - carbon dioxide supplied to the room pr. Note that this equation can be used to calculate the concentration of any pollution as long as the pollution substance is homogeneous mixed with the air. Q = carbon dioxide supplied to the room (m 3/h)Ĭ i = carbon dioxide concentration in the inlet ventilation air (m 3/m 3)Ĭ 0 = carbon dioxide concentration in the room at start, t = 0 (m 3/m 3) The Carbon dioxide concentration in a room filled with persons after a time - t - can be calculated asĬ = (q / (n V)) + (c 0 - c i) (1 / e n t) + c i (1)Ĭ = carbon dioxide concentration in the room (m 3/m 3) The carbon dioxide concentration in a room can be used to indicate air quality.
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