CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS Experimental measurements and analysis of the indoor conditions in Italian museum storerooms: a study case SEPTEMBER 9-11, 2013 VIENNA, AUSTRIA F. Cappelletti , P. Romagnoni and A. Birra University Iuav of Venezia, Italy storerooms: a study case
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CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS
Experimental measurements and analysis
of the indoor conditions in Italian museum
storerooms: a study case
SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
F. Cappelletti, P. Romagnoni and A. Birra
University Iuav of Venezia, Italy
storerooms: a study case
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
Aims and methods
• Analysis of the compatibility of indoor conditions of the storeroom of the
museum of Oriental Art with the conservation of artworks stored according
to Italian Technical Standard UNI10829:1999
• 3 years monitoring of air temperature and air humidity• 3 years monitoring of air temperature and air humidity
• Elaboration of logged data and evaluation of the quality of the conservation
conditions
• Dynamic simulation and potential improvements
2F. Cappelletti – University Iuav of Venezia, Italy
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
The location
The museum storeroomAbout 400 m2 of floor and 2000 m3 of volume
3F. Cappelletti – University Iuav of Venezia, Italy
Ca’ Pesaro palace
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
The Museum of Oriental Art: peculiarities
• Variability of the materials of stored objects: metals, tissues,
wood, paper, laquers, parchments
• No heating nor cooling system
• High humidity in outdoor climate both in winter and in summer
4F. Cappelletti – University Iuav of Venezia, Italy
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
Temperature
Relative humidity
Range
-10°C - 60°C 0 - 95%
(-20°C - 85°C)
Accuracy ± 0.3 °C (0°C - 70°C)
± 3%
Response time
10 s 10 s
The monitoring
• Data Loggers
Museo d'Arte Orientale - Ca' Pesaro Venezia 5
P2
P4
P3
P5
P6
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
Parameters for the evaluation of the suitability of the
microclimate for conservation
Monthly statistical distribution of air temperature and RH hourly values
Daily gradient of air temperature and RH
stan
dard
Hourly and 2 hourly gradients of air temperature and RH
Frequency distribution of air parameters inside the suitable ranges for
different materials
Deviation Index (DI)
6F. Cappelletti – University Iuav of Venezia, Italy
Ital
ian
tech
nica
lsta
ndar
d
UNI 1
0829
:199
9
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
25
30
35C
]
Tissues
Lacquers
Wood
19-24°C
Indoor microclimate analysis: AIR TEMPERATURE
Air temperature P3
0
5
10
15
20
Jan-
03F
eb-0
3M
ar-0
3A
pr-0
3M
ay-0
3Ju
n-03
Jul-0
3A
ug-0
3S
ep-0
3O
ct-0
3N
ov-0
3D
ec-0
3Ja
n-04
Feb
-04
Mar
-04
Apr
-04
May
-04
Jun-
04Ju
l-04
Aug
-04
Sep
-04
Oct
-04
Nov
-04
Dec
-04
Jan-
05F
eb-0
5M
ar-0
5M
ay-0
5M
ay-0
5Ju
n-05
Jul-0
5A
ug-0
5S
ep-0
5O
ct-0
5N
ov-0
5D
ec-0
5
Tem
pera
ture
[°C
]
Time [months]
19-24°C
7F. Cappelletti – University Iuav of Venezia, Italy
Parchments 13-18°C
Paper 18-22°C
Metals no limits
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
556065707580
Rel
ativ
e H
umid
ity [%
]
Indoor microclimate: AIR HUMIDITY
Air Humidity P3
Lacquers
Parchments
50-60%
05
10152025303540455055
Jan-
03F
eb-0
3M
ar-0
3A
pr-0
3M
ay-0
3Ju
n-03
Jul-0
3A
ug-0
3S
ep-0
3O
ct-0
3N
ov-0
3D
ec-0
3Ja
n-04
Feb
-04
Mar
-04
Apr
-04
May
-04
Jun-
04Ju
l-04
Aug
-04
Sep
-04
Oct
-04
Nov
-04
Dec
-04
Jan-
05F
eb-0
5M
ar-0
5M
ay-0
5M
ay-0
5Ju
n-05
Jul-0
5A
ug-0
5S
ep-0
5O
ct-0
5N
ov-0
5D
ec-0
5
Rel
ativ
e H
umid
ity [%
]
Time [months]
8F. Cappelletti – University Iuav of Venezia, Italy
50-60%
Tissues 30-50%
Paper 40-55 %
Metals <50%
Wood 45-60 %
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
Daily gradients P3
0
1
2
3
4
5
Gra
die
nt
of
Tem
pe
ratu
re [°C
]
∆tmax
[°C]
Parchments -
Paper 1.5
Drawings 1.5
Tissues 1.5
Lacquers 1.5
Wood 1.5
9F. Cappelletti – University Iuav of Venezia, Italy
0
0
2
4
6
8
10
12
14
Gra
die
nt
of
Hu
mid
ity
[%]
Metals -
∆RHmax
[%]
Parchments 6
Paper 6
Drawings 2
Tissues 5
Lacquers 4
Wood 4
Metals -
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
Dynamic simulation with TRNSYS 17
Thermal zones: storeroom
offices
museum
Envelope thermal transmittance: 1.03 W/(m2 K) for walls
1.3 W/(m2 K) for roof and floor
5.7 and 3.26 W/(m2 K) for glazing and frame5.7 and 3.26 W/(m2 K) for glazing and frame
Floor Boundary Temperature: temperature profile
Infiltration rate: 0.3 ACH
Occupation time and internal gains: not included
Climatic data file: real data for 2003
10F. Cappelletti – University Iuav of Venezia, Italy
CENTRAL EUROPEAN SYMPOSIUM ON BUILDING PHYSICS SEPTEMBER 9-11, 2013
VIENNA, AUSTRIA
Comparison between real data and simulation output
July 2003
30
32
34
°C]
11F. Cappelletti – University Iuav of Venezia, Italy