| Wet Bulb Temperature Equation |
| The wet-bulb temperature, Twet, is a common humidity variable (e.g., Schwerdtfeger 1976, p 50ff.). A wetted thermometer will read lower than the ambient air temperature because of evaporation (but higher with condensation), and that rate of evaporation depends on the mixing ratio. |
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| Fluid Mechanics and Machinery |
| The flow of ideal non-viscous fluids was extensively studied and mathematical theories were developed during the last century. The field of study was called as ‘Hydrodynamics’. However the results of mathematical analysis could not be applied directly to the flow of real fluids. |
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| Siphon Flow and Discharge Rates |
| Plastic or aluminum smooth wall siphons and tubes are commonly used to deliver water from a canal or ditch to the furrows. These conduits may also be used to measure the rate of flow. |
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| Vacuum Engineering Calculations and Applications |
| Vacuum is now required for many scientific and industrial purposes, particularly those associated with semiconductors, lighting bulbs, and material-coating industries. The need to manufacture in highly characterized and controlled vacuum brings continual progress in the design, operation, and maintenance of vacuum systems, challenging the people involved in these activities. |
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