Читать книгу People Flow in Buildings - Marja-Liisa Siikonen - Страница 10

Symbols and Abbreviations

aacceleration (m/s2)Acaravailable car area (m2)Accar area (m2)Afelevator floor area (m2)Aninet internal area (m2)Apaverage area per person (m2)Awworkplace area (m2 per person)Chhandling capacity (persons/five minutes)%Chhandling capacity (% of population/five minutes)%Ch,reqrequired handling capacity (% of population/five minutes)dfaverage inter‐floor distance (m)Dterminal to terminal travel (m)Fabspeople absenteeism factor (%)Fattpeople attendance factor (%)Flloading limitFoccoccupancy of the buildingFppeople flow (persons/m/s)Fsnominal occupant flow on stairs (persons/m/s)Fuutilization factorHaverage highest reversal floorHiinter‐floor distance iicportion of incoming trafficieportion of inter‐entrance trafficifportion of inter‐floor traffickjerk (m/s3)Lnumber of liftsLmultinumber of cabins in a MULTI systemλarrival rate (persons/five minutes)%λdemand (% of population/five minutes)Mnumber of persons inside an elevatormpaverage mass per person (kg)Nnumber of landings served above entrance floorogportion of outgoing trafficPdownpeople leaving the elevators at the main entrancePcalcaverage number of passengers in the car at departure from the main entrance floor (for calculation method)Prrated passenger capacity (persons)PArnumber of persons fitting in the maximum car areaPsimmaximum number of passengers allowed in the car during simulation (input for simulation method)Puppeople entering the elevators at the main entranceQrrated load (kg)qwpassenger queue lengthρutilization factors 1one floor distance (m)Sprobable number of stopstcdoor‐closing time (s)tcddoor‐closing delay time (s)tcyccycle time (s)texhorizontal exchange time (s)tetaestimated time of arrivaltfflight time (s)tintup‐peak interval (s)tint,reqrequired up‐peak interval (s)tjtpassenger journey time (s)tntnominal travel time (s)todoor‐opening time (s)tppassenger transfer time (s)tperfperformance time (s)tpredoor preopening time (s)tr1single (1) floor flight time (s)trflight time of r floors (s)trtround trip time (s)tstime consumed in stopping (s)ts,fegress time (free walk)ts,cegress time (congestion)tsdstart delay time (s)tsgegress time (s)ts,wwalking time in stairs between adjacent floors (free walk)ttttransit timetttdtime to destinationtvtime to travel between two standard pitch adjacent floors at rated speed (s)twtexpected waiting timeUpopulation of the buildingvrrated speed (m/s)wwidth of the staircase