np number of occupancy – Gpp heat generation rate per person (kg/s) – n air change rate (s-1) – k - constant I solar radiation (W/m2) – W humidity transfer rate (kg/s) – v wind speed (m/s) – q volume flow rate (m3/s) – Symbols: - Density of (kg/m3) ρ fraction of transmitted solar that goes into the element α – transmissivity σ – fraction of the heat transfer into the air by convection β – Subscripts: a air – w wall – s - sa sol-air – d internal humidity gain – L lights – oc occupancy – ap appliances – win window – m internal mass – nt buoyancy – nv wind pressure – ni infiltration – mv mechanical ventilation – p plant – o external – t thermal – v wind – i infiltration, internal – pr radiation component of the plant – pc convection component of the plant – dr direct – cm - comfort 2. Introduction
np – number of occupancy Gpp – heat generation rate per person (kg/s) n – air change rate (s-1) k - constant I – solar radiation (W/m2) W – humidity transfer rate (kg/s) v – wind speed (m/s) q – volume flow rate (m3/s) Symbols: ρ - Density of (kg/m3) α – fraction of transmitted solar that goes into the element σ – transmissivity β – fraction of the heat transfer into the air by convection Subscripts: a – air w – wall s - sa – sol-air d – internal humidity gain L – lights oc – occupancy ap – appliances win – window m – internal mass nt – buoyancy nv – wind pressure ni – infiltration mv – mechanical ventilation p – plant o – external t – thermal v – wind i – infiltration, internal pr – radiation component of the plant pc – convection component of the plant dr – direct cm - comfort 2. Introduction