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25 lis 2010 · A water circulating heating systems delivers 230 kW with a temperature difference of 20 o C . The volumetric flow can be calculated as: q = (230 kW) / ((4.2 kJ/kg o C) (1000 kg/m 3 ) (20 o C))
Free online flow converter - converts between 58 units of flow, including cubic meter/second [m^3/s], cubic meter/day [m^3/d], cubic meter/hour [m^3/h], cubic meter/minute, etc. Also, explore many other unit converters or learn more about flow unit conversions.
Millimeters of water to Kilogram force per square meter (mm H2O to kg/m2) conversion calculator for Pressure conversions with additional tables and formulas. Language. ... kg/m2 = mm H2O . Show working. Show result in exponential format. More information: Millimeters of water.
Density Converter / Metric System / Kilogram Per Cubic Meter [kg/m³] Online converter page for a specific unit. Here you can make instant conversion from this unit to all other compatible units.
Below is a table of units in which density is commonly expressed, as well as the densities of some common materials. This free density calculator determines any of the three variables in the density equation given the other two.
25 lis 2010 · Design of systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more. Basic air changing state processes - heating, cooling, mixing, humidifying and dehumidifying by adding steam or water - psychometric diagrams and the Mollier charts.
In order to calculate pressure loss in a heating or cooling system it is essential to know the volume flow rate Q. The volume flow rate is based on heat demand, temperature difference, specific energy capacity, and density.
