h-x diagram. So assuming you have an area of 1 m^2 with a velocity of 1 m/s, air with a density of 1.225 kg/m^3 will equate to a mass flow of 1.225 kg/s. (Hence mass flow is equal to density times area times velocity. It will decrease with increasing temperature, the lower pressure at your altitude (which varies with weather), and with humidity (moist air has lower density). Volume flow is usually measured in Cubic Feet per Minute (CFM). Is 1 cubic meter per second of air flow rate equivalent to 1 kg/s ? Let's say the air temperature is 12.8 to 40 celcius, and location of 300m from sea level. Due to changes in this version of the forum software, you are now required to register before you may post. And 12, Density of air varies with temperature, pressure, and humidity. For science and education. The answer is: 1 m3/sec equals 1,000.00 kg/sec 1,000.00 kg/sec is converted to 1 of what? kg/hr: Volume (English) CFM ft ASL PSIA °F PSIG: Volume (Metric) M3/hr m ASL BarA °C BarG . You should consult an air density table or … It will decrease with increasing temperature, the lower pressure at your altitude (which varies with weather), and with humidity (moist air has lower density). The answer is: 1 m3/h equals 0.28 kg/sec 0.28 kg/sec is converted to 1 of what? Hi there, do you mean 300m inland, or 300m above sea level? For incompressible flows, the mass flow rate is constant. The kilograms (water mass) per second unit number 1,000.00 kg/sec converts to 1 m3/sec, one cubic meter per second. Thermal insulation and ductwork heat loss calculation. Even at 40 °C, your air density will be slightly over 1 kg/m³, Copyright ©1997-20014, OnlineConversion.com. Welcome to the OnlineConversion.com forums. For scientific, educational and general purposes to convert from one unit to another. Mass air-flow rate unit converter. Dry air at 101.325 kPa, 0 °C is about 1.29 kg/m³. In systems with vacuum pumps, blowers, compressors, and heat exchangers, air pressure and temperature are constantly changing, which means the actual volume flow is changing. It is the EQUAL flow rate value of 1 cubic meter per second but in the kilograms (water mass) per second flow rate unit alternative. Air-handling ductwork cross-section design. All times are GMT-8. Density of air varies with temperature, pressure, and humidity. Calculation of moist air properties. Air velocity (distance traveled per unit of time) is usually expressed in Linear Feet per Minute (LFM). You should consult an air density table or graph. By multiplying air velocity by the cross section area of a duct, you can determine the air volume flowing past a point in the duct per unit of time. Dry air at 101.325 kPa, 0 °C is about 1.29 kg/m³. The kilograms (water mass) per second unit number 0.28 kg/sec converts to 1 m3/h, one cubic meter per hour. It is the EQUAL flow rate value of 1 cubic meter per hour but in the kilograms … This page was generated at 10:28 AM. Ductwork specific pressure loss calculation. Air-handling plant area calculation. We are working on allowing guests to post, sorry for the trouble. Converter provides units and measures conversions.