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Sensible heat: Heat that changes the temperature of the air without changing its moisture content. Heat added to air by a heating coil is an example of sensible heat. Sling psychrometer: A device (Fig. 1) commonly used to measure the wet-bulb temperature. It consists of two identical thermometers mounted on a common base.
Sensible heat: is the heat content causing an increase in dry-bulb temperature. Latent heat: is the heat content due to the presence of water vapour in the atmosphere. It is the heat, which was required to evaporate the given amount of moisture. Total heat: is the sum of sensible and latent heat.
• 1. Sensible heat ratio (SHR) • SHR is the ratio of sensible heat load to total heat load • 2. Space cooling load • 3. Cooling coil’s load/capacity • 4. Humidification capacity • 5. Mixing processes • Principles of heat balance & conservation of mass
Within Manual P, you'll also learn about the basics of Psychrometrics and HVAC systems, how to properly utilize the Psychrometric chart, how to use Psychrometric processes and calculations, how to calculate heating, cooling, humidification, and loads, and how to find room sensible heat ratio, room CFM, and coil sensible heat ratio.
Sensible heat transfers are measured with a thermometer and are represented on the psychrometric chart by changes in the dry bulb temperature. Sensible heat is also expressed in the units of btu/hour, so the resulting calculations must also provide the correct units. QS (btu/hr) = ΔT (°F) x ? x ? x ? Since the amount of heat transfer depends ...
Sensible Heat Ratio: this value is used to describe the ratio of sensible heat load compared to the total load of the space. Mixed Air: this is the air temperature when mixing the outside fresh air with the indoor return air.
The Psychrometric Chart tutorial is a downloadable animated tutorial application which explains the various features of the Psychrometric Chart and how it illustrates indoor or outdoor air conditions and their relation to human thermal comfort.
