Energetske performanse infiltriranih i elevacionih zemunica na području grada Kragujevca – Numeričko istraživanje

Aleksandar Nešović

doi:10.5937/a-u0-45200

Aleksandar Nešović Fakultet inženjerskih nauka Univerziteta u Kragujevcu https://orcid.org/0000-0002-1690-2389

DOI: https://doi.org/10.5937/a-u0-45200

Ključne reči: Zemunica, Energetska efikasnost, EnergyPlus, Google SketchUp, Parametri lokacije

Sažetak

U ovom radu istražen je energetski potencijal različitih tipova savremenih zemunica, tokom sedmomesečnog vremenskog perioda (od 1. oktobra do 1. maja), u cilјu dostizanja održivog razvoja. Predmet istraživanja je jednospratna stambena zgrada (ukupne neto površine 102,5 m²), namenjena boravku četvoročlane porodice, locirana na području grada Kragujevca (centralna Srbija). Sistem grejanja formiraju toplotna pumpa tipa zemlјa-voda, geotermalne vertikalne sonde, podni panelni grejači i dve cirkulacione pumpe. Numeričkom analizom (koristeći softver EnergyPlus) istražena su četiri tipa infiltriranih zemunica, kao i jedna elevaciona zemunica. Energetske performanse svih pomenutih zemunica upoređene su sa energetskim performansama klasične nadzemne zgrade. Sve zgrade su istih geometrijskih, građevinskih i termo-tehničkih performansi. Rezultati istraživanja pokazali su da se, u infiltriranim zemunicama godišnja, potrošnja finalne (električne) energije može redukovati za 2,53-21,64% (zavisno od broja spolјašnjih građevinskih elemenata u direktnom kontaktu sa zemlјištem). Savremena arhitektura ipak treba biti usmerena na razvoj elevacionih zemunica, jer se u njima godišnja potrošnja finalne (električne) energije za grejanje može redukovati preko 40%.

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