Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| apps:biomet_pet [2022/09/30 14:18] – enviadmin | apps:biomet_pet [2022/12/02 13:01] (current) – [PET* (PET Reviewed) [Winter 22/23]] enviadmin | ||
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| Main changes in ENVI-met BIO-met compared to original PET in short are: | Main changes in ENVI-met BIO-met compared to original PET in short are: | ||
| * For the indoor setting, the turbulent exchange coefficients for heat and vapour are calculated using the indoor air velocity instead of keeping them at the outdoor value | * For the indoor setting, the turbulent exchange coefficients for heat and vapour are calculated using the indoor air velocity instead of keeping them at the outdoor value | ||
| - | * The sweat rate and the amount of sweat on the skin is set to zero when starting calculating the indoor environment | + | * The sweat rate and the amount of sweat on the skin is set to zero when starting calculating the indoor environment. It will start again if the reference temperature of the body $T_B=0.2 \cdot T_{skin}+0.9 \cdot T_{core}$ is above the sweating set point, here 36.34 °C. |
| For other issues, see next section. | For other issues, see next section. | ||
| - | ==== PET* (PET Reviewed) ==== | + | ==== PET* (PET Reviewed) |
| With the Winter 22/23 release, the whole PET module has undergone a review to fix a number of accumulated errors and inconsistencies. This includes | With the Winter 22/23 release, the whole PET module has undergone a review to fix a number of accumulated errors and inconsistencies. This includes | ||
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| * The new metabolic rate impacts the breathing settings and engery fluxes which are not updated in the iterations | * The new metabolic rate impacts the breathing settings and engery fluxes which are not updated in the iterations | ||
| * The fraction of wet skin is resetted to zero before calculating the indoor environment (but might increase then again based on the sweat rate and the indoor humidity) | * The fraction of wet skin is resetted to zero before calculating the indoor environment (but might increase then again based on the sweat rate and the indoor humidity) | ||
| - | * The energy balance equation of the skin node was re-worked to take into account the changes above. In addition, the skin energy balance now only consists of Radiation and Convection from/to base skin parts plusconduction | + | * The energy balance equation of the skin node was re-worked to take into account the changes above. In addition, the skin energy balance now only consists of Radiation and Convection from/to base skin parts plus conduction |
| + | * Finally, the number of output variables has been extended now providing | ||