PN-II-RU-TE
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1 PN-II-RU-TE IEQ - Transferul poluantilor atmosferici spre interiorul cladirilor. Unelte de predictie a nivelului de poluare interior si de protectie a ocupantilor. Principal Investigator Prof. dr. habil. ing. Vlad IORDACHE
2 DOMENIUL : IEQ Calitatea mediului Interior SUBDOMENIUL : Confort Termic SUBDOMENIUL : Confort Acustic SUBDOMENIUL : Confort Vizual Calitatea Mediului Interior SUBDOMENIUL : CAI Calitatea Aerului Interior DOMENIUL : Eficienta energetica a cladirilor Certificarea si Auditarea Energetica a Cladirilor
3 SCOP PROIECT CERCETARE Avansarea in domeniile de cercetare: SUBDOMENIUL : Confort Termic DOMENIUL : Eficienta energetica cladiri 1) Predictia consumului energetic al cladirilor SUBDOMENIUL : Confort Acustic 2) Acustica Instalatiilor si a Cladirii SUBDOMENIUL : CAI Calitatea Aerului Interior 3) Predictia permeabilitatii la aer a cladirilor 4) Predictia transferului de poluanti exterior-interior DOMENIUL : Calitatea Mediului Interior 5) Strategii de control a IEQ
4 SCOP 1) Predictia consumului energetic al cladirilor Journal ISI Catalina Tiberiu, Iordache Vlad*, Caracaleanu Bogdan, Forecasting heating energy demand using a regression model, Energy and Building, Volume 57, February 2013, Pages IMPORTANTA : Verificarea rapida a solutiilor de proiectare a cladirii /instalatiilor,... DEZAVANTAJE : Pentru o cladire construita prea tarziu SCOP : Dezvoltarea unei unelte rapide si simple pentru verificarea energetica a solutiilor de proiectare METODA: Model de regresie cu trei parametrii principali de intrare : G Dq SES = fn (S/V, U buil, n a ) = (qi, qe) = (S N,S S,S E,S V,...)
5 100+ cladiri reale q LS (kwh/m 2 /an) Speciifc heating consumption (kwh/m 3 year) Simulari TRNSYS q LS (kwh/m 2 /an) q LS (kwh/m 2 /an) Specific heating consumption (kwh/m 3 year) PN-II-RU-TE : IEQ Calitatea mediului interior SCOP 1) Predictia consumului energetic al cladirilor Dependenta de Factorii Principali G = fn (S/V, U buil, n a ) Dq = (qi, qe) SES = (S N,S S,S E,S V,...) Moscow Bucharest Nice G Factor Principal G (W/m 3 /K) Indoor set point temperature ( o C) qi ( o C) Rm=0.43 Rm= Sol-air temperature o C) qe sol-air ( o C)
6 Prediction model (kwh/m 3 /year) PN-II-RU-TE : IEQ Calitatea mediului interior SCOP 1) Predictia consumului energetic al cladirilor Predictie : q LS = fn (G, Dq, SES) Predictia Comportamentului Energetic al oamenilor HB q building % Predictions with HB Predictions without HB On-site data (kwh/m 3 /year)
7 SCOP 1) Predictia consumului energetic al cladirilor CAZ DE STUDIU Secventa de calcul pentru predictia consumului energetic G, Dq, SES q LS, q building, HB, q building Comparaision des resultats ORIGINALITE - CEL MAI SIMPLU MODEL (param. princip.) - CEL MAI RAPID - Predictia Comportamentului Energetic Uman - Prediction Consumului Real de Energie
8 SCOP 2) Acustica Instalatiilor si a Cladirii Journal ISI Iordache V, Catalina T., Experimental investigation on the sound pressure level for a high thermal capacity burner during a running cycle. Applied Acoustics, Volume 74, Issue 5, May 2013, Pages IMPORTANTA : INTELEGERE FENOMEN; DEZAVANTAJE : Zgomot DEPENDENTA Regimul de functionare in stare nominala SCOP : Studiul nivelului de zgomot in timpul unui ciclu de functionare Faza Proiet - concept Bn Zgomot Fond E Funct. motor F 1,F 2 Ventilator 2 faze S 1,S 2 Arzator 2 etape METODA : Masurari in timp real a Variatiei nivelului de zgomot
9 SCOP 2) Acustica Instalatiilor si a Cladirii
10 Masurari vs Model predictie PN-II-RU-TE : IEQ Calitatea mediului interior SCOP 2) Acustica Instalatiilor si a Cladirii - Constrangere confort acustic 500, 1000 Hz - Niveu zgomot ridicat 125 Hz, P3 preventilation chaudiere Masurari vs Model predictie ASPECTE ORIGINALE - Lp maximal perioada de evacuare a gazelor din cazan - 2 frecvente importante 125 Hz, 500 Hz
11 SCOP 3) Predictia permeabilitatii la aer a cladirilor Journal ISI Iordache Vlad, Catalina Tiberiu, Acoustical approach for building permeability measurement, Building and Environment, vol 57, november 2012, p IMPORTANTA : Influenta permeabilitatii asupra : - calitatii mediului interior IEQ - calitatii aerului interior IAQ - consumului energetic al cladirilor DEZAVANTAJE : Metodele clasice - nu sunt practice. METODA : Experimente duble (zgomot - permeabilitate) pentru diferite tipuri de rosturi
12 SCOP 3) Predictia permeabilitatii la aer a cladirilor EXPERIMENTE PERMEABILITATE EXPERIMENTE ZGOMOT AERIAN Mineapolis Blower Door 2 x sound meters 1 x noise source
13 SCOP 3) Predictia permeabilitatii la aer a cladirilor Ierarhizarea celor 6 cazuri functie de parametrii DLp (dba) ; ACH (1/h) CEL MAI ETANS C0 C1 C2 C3 CEL MAI PERMEABIL C4 C5
14 Q (m 3 /h) Air change rate (1/h) PN-II-RU-TE : IEQ Calitatea mediului interior SCOP 3) Predictia permeabilitatii la aer a cladirilor Testarea Modelului C4 ACH 50Pa = ΔLp ΔLp R² = ; R= C Chan et al. 871 m 3 /h McWilliams et al. 830 m 3 /h Montoya et al. 811 m 3 /h Co C2 Sound attenuation ΔLp, db(a) Experimental value: 517m 3 /h.m 2 C AVANTAJE METODA - Pret aparate: 1000 EUR - Experimente independente de conditiile meteo - Experimente rapide - Precizie ridicata
15 SCOP 4) Transferului de poluanti exterior-interior (Calitatea aerului interior) - Poluare urbana - Predictia nivelului de poluare interior - Poluare urbana Journal ISI Radu Mihai Valentin, Iordache Vlad, Catalina Tiberiu, Real time monitoring of the ground level O3 concentration in Bucharest Romania, Environmental Monitoring and Assesment, (under review) - Predictia nivelului de poluare de la interiorul cladirilor Nivelul de poluare DEPINDE Nivelul de poluare Interior exterior DEZAVANTAJ : Masurari pe cladiri reale Factori perturbatori externi IDEE PROVOCATOARE Simularea transferului de poluanti atmosferici in conditii de laborator
16 SCOP 4) Predictia transferului de poluanti exterior-interior (Calitatea aerului interior) Plan stand experimental STAND EXPERIMENTAL INOVANT Realizare stand experimental
17 SCOP 4) Predictia transferului de poluanti exterior-interior (Calitatea aerului interior) APARATURA NOI APARUTE PE PIATA Calibrare, verificare, reparatii USA Sistem masurare poluanti Sistem generare poluanti
18 SCOP 4) Predictia transferului de poluanti exterior-interior (Calitatea aerului interior) Experi ment nr. Secventa Masurari Durata experi ment (h:mm) n a (h -1 ) C O3 Plenum (ppb) 1 3: : : : : : : : : : Domeniu de aplicabilitate : - 0,1 h -1 < na < 1,5 h -1 APLICABILITATE SPORITA - 0 ppb < C ext < 80 ppb C int (ppb) n a (h -1 ) C ext (ppb)
19 DP, Pa Concentratie Ozon, ppb PN-II-RU-TE : IEQ Calitatea mediului interior SCOP 4) Predictia transferului de poluanti exterior-interior (Calitatea aerului interior) Masurari Poluanti INT-O3 ppb EXT-O3 ppb 0 11:00 11:30 12:00 12:30 13:00 13:30 Timp (HH:mm) Concentratie exterioara Concentratie interioara Masurari Debit Aer Transferat Rata de ventilare Debit aer, m Dp Debit :00 11:30 12:00 12:30 13:00 13:30 14:00 14:30 15:00 Timp (HH:mm)
20 Concentratie medie O 3 la Interior, ppb Concentratie medie O 3 la Interior, ppb Concentratie medie O 3 la Interior, ppb PN-II-RU-TE : IEQ Calitatea mediului interior SCOP 4) Predictia transferului de poluanti exterior-interior (Calitatea aerului interior) n a =1.5 (h -1 ) Modelarea transferului de poluant 4 2 y = e x R² = Concentratie medie O 3 la exterior n a =0.9 (h -1 ) y = e x R² = Concentratie medie O 3 la exterior n a =0.2(h -1 ) y = e x R² = Concentratie medie O 3 la exterior
21 SCOP 5) Strategii de control a IEQ 1) Asamblarea celor 4 tipuri de modele intr-un singur model de IEQ Cartografierea IEQ 2) Predictia IEQ pentru stari diferite de functionare a instalatiilor
22 BUGET : - Incadrare in buget. - Realocari sub 4% din total, intre cheltuielilor directe. MOBILITATI : Colaborator din Franta Universitatea din La Rochelle 1. Prof. dr. ing. INARD Christian - WS : Calitatea Mediului Interior - colaborare Deplasare Conferinta 1. Prof. dr. ing. IORDACHE Florin Conferinta Internationala CLIMA Praga 2. Sef Lucrari dr. ing. CATALINA Tiberiu Conf. Internationala CLIMA Praga 3. Prof. dr. ing. IORDACHE Vlad Conferinta Internationala CLIMA Praga
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