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English: This psychrometric chart represents the acceptable combination of air temperature and humidity values, according to the PMV/PPD method in the ASHRAE 55-2010 Standard. The comfort zone in blue represents the 90% of acceptability, which means the conditions between -0.5 and +0.5 PMV, or PPD < 10%.
The underlying psychrometric parameter data for the psychrometric chart and the Mollier diagram are identical. At first glance there is little resemblance between the charts, but if the chart is rotated by ninety degrees and looked at in a mirror the resemblance becomes apparent. The Mollier diagram coordinates are enthalpy and humidity ratio.
Psychrometric Chart. ... The results are displayed on a psychrometric or a temperature-relative humidity chart and ... (76 vs 72 degrees F or 24.4 vs 22.2 Celsius).
Download as PDF; Printable version ... all temperatures are expressed in degrees Celsius): ... originates from the 1974 Psychrometry and Psychrometric Charts. [21]
An enthalpy–entropy chart, also known as the H–S chart or Mollier diagram, plots the total heat against entropy, [1] describing the enthalpy of a thermodynamic system. [2] A typical chart covers a pressure range of 0.01–1000 bar , and temperatures up to 800 degrees Celsius . [ 3 ]
Kash Patel, nominee to be Director of the Federal Bureau of Investigation, testifies in front of the Senate Judiciary Committee in Washington, DC on January 30, 2025.
The graphic method utilizes an overlay on a psychrometric chart to indicate the operative temperatures and humidity at which thermal comfort is achieved in the winter (1.0 clo) and summer (0.5 clo). It is based on the Predicted Mean Vote (PMV) model. [ 4 ]
April 16, 2010 Dear Friend: We’re writing with a very unusual request — that you pledge not to give any campaign contributions to any candidate for Congress until they have