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Simulates dry-bulb temperature increases while dew point and specific moisture remain fixed. It handles calculation files for 100% fresh air intakes or partial air recirculation configurations.
: Uses a customized toolbar within Excel to provide access to procedures, calculation boxes, and VBA-based macro commands. Calculated Parameters
: By inputting two known parameters (e.g., dry-bulb temperature and relative humidity), the software calculates all other psychrometric values, including wet-bulb temperature, specific humidity, enthalpy, and dew point. Process Modeling
is a powerful, VBA-driven Excel software designed for precise thermodynamic calculations of moist air states, air mixing, and HVAC thermal systems . In heating, ventilation, and air conditioning (HVAC) engineering, evaluating psychrometric changes is critical for sizing Air Handling Units (AHUs), calculating coil loads, and maintaining indoor air quality. thermexcel programme psychrosi
The main functions of the PsychroSI program include:
Determine the exact sensible and latent thermal capacity required to heat the pool water and keep the ambient space comfortable.
Several case studies and research trials have demonstrated the efficacy of the ThermExcel programme in treating psychroisis. A recent pilot study published in a leading psychiatric journal reported significant reductions in water consumption and improvements in quality of life among participants receiving the ThermExcel programme. Another study presented at a international conference on psychiatric disorders highlighted the programme's potential to reduce symptoms of anxiety and depression in individuals with psychroisis. Simulates dry-bulb temperature increases while dew point and
Mixing two air streams – for instance, outdoor fresh air with return air – is a fundamental HVAC operation. PsychroSI allows the user to enter the dry‑bulb temperature and moisture content of each stream, and then calculates the final mixed‑air state. This is indispensable for determining the appropriate pre‑heating, cooling, or humidification needed before the mixed air enters the conditioning equipment.
The practical power of ThermExcel lies in its deep integration with Microsoft Excel. Instead of using a standalone program, PsychroSI operates as a set of pre-programmed spreadsheets. The calculations are managed behind the scenes by VBA code, a programming language that automates repetitive tasks and complex formulas.
The ThermExcel programme offers a range of benefits to users, including: Calculated Parameters : By inputting two known parameters
At its core, PsychroSI models the thermodynamic behavior of moist air. According to Dalton’s Law of partial pressures, moist air is treated as a mixture of dry air and water vapor.
Moist air is a mixture of dry air and water vapor. Key parameters:
: The program includes an integrated library of climatic data used for dimensioning air-conditioning installations. 3. Step-by-Step Calculation Guide
Thermexcel provides a step-by-step wizard for geometry definition (tube diameter, fin pitch, number of rows), fluid selection, and operating conditions. Psychrometric inputs include dry-bulb temperature, relative humidity, and altitude.
Calculate the required fresh outdoor air change rates or mechanical dehumidification loads necessary to protect the building structure from structural rot and condensation. 3. Integrated Global Weather Database