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REHVA WORKSHOPS AT CLIMA 2016Aalborg, 24 May 2016
www.eurovent.eu Rehva Workshops at Clima 2016
Velkommen!
Welcome!
Benvenuti!Välkommen!
Willkommen!Vítejte!
добро́ пожа́ловать!Welkom!
¡Bienvenidos!Benvindos!
أهالً و سهالً
Adding value to your buildings Efficient air curtain technologies made in Europe24 May 2016
www.eurovent.eu Rehva Workshops at Clima 2016
Speaker
Eurovent association (Belgium)Mr Francesco Scuderi
Technical and Regulatory Affairs Manager
Team Leader Process Cooling and Food Cold Chain
francesco.scuderi@eurovent.eu
www.eurovent.eu Rehva Workshops at Clima 2016
Part 1
1. Who are we?
2. What are Air Curtains?
3. Air Curtain applications
4. What are the key benefits of Air Curtains?
Part 2
5. International Standards for Air Curtains
6. The Eurovent ‘Special Project’
7. Case studies
8. Q&A
www.eurovent.eu Rehva Workshops at Clima 2016
REHVA WORKSHOPS Eurovent SeminarAT CLIMA 2016
Who are we?Introduction to Europe’s Industry Association forIndoor Climate, Process Cooling, and Food Cold Chain Technologies
www.eurovent.eu Rehva Workshops at Clima 2016
www.eurovent.eu Rehva Workshops at Clima 2016
• Eurovent is Europe’s Industry Association for Indoor Climate, Process Cooling, and Food Cold Chain Technologies – thinking beyond ‘HVAC&R’
• Members from 20+ countries in Europe, the CEE region and Northern Africa (EMENA)
• Strong network of EMEA’s leading, national industry associations and their more than 1.000 ‘Affiliated Manufacturers’
• Corresponding Members in countries without national association
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Our Members and their ‘Affiliated Manufacturers’Our Members are leading national associations from the EMEA region…
And the more than 1.000 manufacturers within their networks (known as ‘Affiliated Manufacturers’ within Eurovent)
2016 Corporate Presentation
Our Corresponding Members
Manufacturers from EMEA countries, which do not yet have a national association Member within the Eurovent network.
Examples include:
2016 Corporate Presentation
Our Associate Members
Organisations that are engaged in activities related to the sectors the Eurovent association covers.
Examples include:
In a nutshell, we represent…
• 1.000+ companies throughout the EMEA region• The majority small and medium-sized manufacturers
• Which employ around 150.000 people • Highly skilled labour that drives innovation, energy efficiency and
reduces CO2 footprints across the globe
• And generate a combined annual turnover of EUR 30bn+• Significant contributor to national public accounts
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What makes us special?
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Our independent subunits in Paris
Eurovent Certita Certification (ECC)
ECC is a major European certification body in the field of HVAC&R, operating 38 performance certification programmes.
Eurovent Market Intelligence (EMI)
EMI is the European Statistics Office on the HVAC&R market, and has been providing key market data since 1994.
www.eurovent.eu Rehva Workshops at Clima 2016
‘Eurovent Certified Performance’
ECC is known for its globally-recognised
‘Eurovent Certified Performance’ mark:
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ECC fulfils highest independency, reliability and integrity standards
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ISO 17065:2012accreditation
ECC holds the EN ISO/IEC 17065:2012 accreditation certificate:
Eurovent Market Intelligence (EMI)
EMI provides reliable and representative HVAC&R market intelligence data based on information supplied by market participants.
Its EMEA-wide data sets are frequently being used to support the development of legislation in the EU and beyond.
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How do we support our industry internationally?
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Founding member of ICARHMA
• Founding member of ICARHMA, a global network of HVAC&R associations from Australia, China, Europe, Japan, Korea, Latin and North America
• Close partnerships with sister associations across the globe
• Representative of Europe within ICARHMA
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Eurovent SummitThe biennial key event for our industry2014 Eurovent Summit in Berlin with 300+ participants:
Rehva Workshops at Clima 2016www.eurovent.eu
www.eurovent.eu Rehva Workshops at Clima 2016
• Europe’s major gathering for key decision-makers in the area of Indoor Climate (HVAC), Process Cooling, and Food Cold Chain Technologies
• Partner associations: eurammon, ISKID, Polish Ventilation, REHVA• Connects close to 400 industry leaders from Europe, the Middle East,
and Northern Africa throughout 40 meetings, seminars, and events.
• Register now at www.eurovent-summit.eu
Product Group structure
Rehva Workshops at Clima 2016www.eurovent.eu
Indoor Climate Technologies
(Ventilation and Air Quality, Heating and Cooling)
Process Cooling and
Food Cold Chain
PG-FANSProduct Group
‘European Fan Technology’
PG-AHUProduct Group
‘Air Handling Units’
PG-ACProduct Group
‘Air Conditioners and VRF systems’
PG-CTProduct Group
‘Evaporative Cooling Equipment’
PG-ERCProduct Group
‘Energy Recovery Components’
PG-RAHUProduct Group
‘Residential Air Handling Units’
PG-ACProduct Group
‘Liquid Chilling Packages’
PG-DRYProduct Group ‘Dry Coolers’
PG-CURProduct Group
‘European Air Curtains’
PG-FILProduct Group
‘Air Filters’
PG-FCUProduct Group ‘Fan Coil Units’
PG-CPRProduct Group
‘Compression Equipment’
PG-SVProduct Group
‘Smoke Ventilation’
PG-ADProduct Group ‘Air Diffusers’
PG-HPProduct Group
‘European Heat Pumps’
PG-RDCProduct Group ‘Commercial
Refrigeration Equipment’
Part 1
1. Who are we?
2. What are Air Curtains?
3. Air Curtain applications
4. What are the key benefits of Air Curtains?
Part 2
5. International Standards for Air Curtains
6. The Eurovent ‘Special Project’
7. Case studies
8. Q&A
www.eurovent.eu Rehva Workshops at Clima 2016
REHVA WORKSHOPS Eurovent SeminarAT CLIMA 2016
What are Air Curtains?Introduction to Air Curtain technologies
www.eurovent.eu Rehva Workshops at Clima 2016
What are Air Curtains?
An air curtain is a directionally-controlled airstream which can reduce the infiltration or transfer of air from one side of the opening to the other and/or inhibit the passage of insects, dust and debris
www.eurovent.eu Rehva Workshops at Clima 2016
Possibilities with an open door
Air Curtains…
Attract visitors and customers
Provide for an uninterrupted vision
Enable easy mobility for people and vehicles
www.eurovent.eu Rehva Workshops at Clima 2016
Part 1
1. Who are we?
2. What are Air Curtains?
3. Air Curtain applications
4. What are the key benefits of Air Curtains?
Part 2
5. International Standards for Air Curtains
6. The Eurovent ‘Special Project’
7. Case studies
8. Q&A
www.eurovent.eu Rehva Workshops at Clima 2016
REHVA WORKSHOPS Eurovent SeminarAT CLIMA 2016
Air Curtain applicationsWhat kind of Air Curtains exist?
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Air Curtain applicationsOverview
Commercial
Industrial
Cold Storage
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Air Curtain applicationsCommercial
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Air Curtain applicationsCommercial (cont.)
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Air Curtain applicationsIndustrial
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Air Curtain applicationsIndustrial (cont.)
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Air Curtain applicationsCold storage
www.eurovent.eu Rehva Workshops at Clima 2016
Part 1
1. Who are we?
2. What are Air Curtains?
3. Air Curtain applications
4. What are the key benefits of Air Curtains?
Part 2
5. International Standards for Air Curtains
6. The Eurovent ‘Special Project’
7. Case studies
8. Q&A
www.eurovent.eu Rehva Workshops at Clima 2016
REHVA WORKSHOPS Eurovent SeminarAT CLIMA 2016
What are the key benefits of Air Curtains? The advantages of applying state-of-the-art Air Curtain technologies to your construction projects
www.eurovent.eu Rehva Workshops at Clima 2016
Air CurtainsKey benefits
Without Air Curtain With Air Curtain Overall benefits
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Air CurtainsKey benefits (cont.)• Building’s energy saving
• Climate division between an area or room and the outdoor air (no transfer of heat)
• Climate division between areas or rooms situated on both sides of an opening, cold rooms (no transfer of heat)
• Building’s Indoor Air Quality (IAQ)• Barrier inhibiting the transfer of pollution, odours and moisture from
one zone to the other
• Building’s Indoor Comfort
• Temperature, preserve and compensate losses
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Air CurtainsBuilding’s energy saving
The Building’s energy saving depends on the air curtain Screening efficiency index SEI
SEI = 1 −𝑄𝑤𝑖𝑡ℎ
𝑄𝑤𝑖𝑡ℎ𝑜𝑢𝑡Qwith= Heat loss through an opening with an Air Curtain
Qwithout= Heat loss through an opening without an Air Curtain
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The SEI describes how much heat is not loosed through a door opening by using an air curtain unit
Air CurtainsBuilding’s energy saving (cont.)
www.eurovent.eu Rehva Workshops at Clima 2016
-150
-135
-120
-105
-90
-75
-60
-45
-30
-15 0
15
30
45
60
75
90
105
120
135
150
212
202
192
182
172
162
152
142
132
122
112
102
92
82
72
62
52
42
32
22
12
2
LÄNGD FRÅN DÖRR
HÖJD
21-22
20-21
19-20
18-19
17-18
16-17
15-16
14-15
13-14
12-13
11-12
10-11
9-10
8-9
7-8
6-7
5-6
4-5
3-4
2-3
1-2
0-1
Side view
Do
or
he
igh
t
Source: Malmö Högskola
Indoor OutdoorOpen door;No air curtain
www.eurovent.eu Rehva Workshops at Clima 2016
Air CurtainsBuilding’s energy saving (cont.)
-150
-135
-120
-105
-90
-75
-60
-45
-30
-15 0
15
30
45
60
75
90
105
120
135
150
212
202
192
182
172
162
152
142
132
122
112
102
92
82
72
62
52
42
32
22
12
2
Distance from door
Hight
20-21
19-20
18-19
17-18
16-17
15-16
14-15
13-14
12-13
11-12
10-11
9-10
8-9
7-8
6-7
5-6
4-5
3-4
2-3
1-2
0-1
Side view
Do
or
he
igh
t
Source: Malmö Högskola
Indoor Outdoor
www.eurovent.eu Rehva Workshops at Clima 2016
Open door;Optimal installation
Air CurtainsBuilding’s energy saving (cont.)
Air CurtainsBuilding’s Indoor Air Quality (IAQ)
www.eurovent.eu Rehva Workshops at Clima 2016
Air CurtainsBuilding’s Indoor Comfort
www.eurovent.eu Rehva Workshops at Clima 2016
Part 1
1. Who are we?
2. What are Air Curtains?
3. Air Curtain applications
4. What are the key benefits of Air Curtains?
Part 2
5. International Standards for Air Curtains
6. The Eurovent ‘Special Project’
7. Case studies
8. Q&A
www.eurovent.eu Rehva Workshops at Clima 2016
REHVA WORKSHOPS Eurovent SeminarAT CLIMA 2016
International standards for Air CurtainsISO 27327: Fans, Air Curtain Units
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ISO 27327-1Scope
This part of ISO 27327 establishes uniform methods for laboratory testing of air curtain units to determine aerodynamic performance in terms of airflow rate, outlet air velocity uniformity, power consumption and air velocity projection, for rating or guarantee purposes.
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ISO 27327-1Test methods
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ISO 27327-1Missing points
1. Standard Rating Conditions
2. Test Environment
3. Calculation formula/method in order to assess the buildings’ benefits by using Air Curtains
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Part 1
1. Who are we?
2. What are Air Curtains?
3. Air Curtain applications
4. What are the key benefits of Air Curtains?
Part 2
5. International Standards for Air Curtains
6. The Eurovent ‘Special Project’
7. Case studies
8. Q&A
www.eurovent.eu Rehva Workshops at Clima 2016
REHVA WORKSHOPS Eurovent SeminarAT CLIMA 2016
The Eurovent ‘Special Project’EMEA’s only industry committee of Air Curtain technologies
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Eurovent ‘Special Project’Members
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Eurovent ‘Special Project’Goals• Introduce usage of Air Curtains
• Basic information about the usage of Air Curtains’; correct application, installation and handling
• Development of a Eurovent Industry Recommendation• Definition of Air Curtain categories• Definition of standard rating conditions• Definition of test environment and test methods • Definition of a calculation method in order to assess the building’s
benefit • Entirely new and forward-thinking approach
From the product to the building
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Eurovent ‘Special Project’Eurovent ‘Air Curtains Guidebook’
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Air curtain
class.H [m] W [m]
Warm cell
temp [°C]
Cold cell
temp [°C]DT [°C] DP [Pa]
Wind load
[m/s]
Commercial 2.0 1.5 20 2 18 0 4
Industry 3.0 2.0 15 2 13 0 4
Cold storage 2.0 1.5 20 5 15 0 0
Eurovent ‘Special Project’Categories and standard rating conditions
Categories
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Standard rating conditions: Mandatory conditions that are used for comparison purpose
Std. rating conditions
Eurovent ‘Special Project’Test environment
Cold storage Air Curtains: normal condition of use
Commercial and Industrial Air curtains: normal condition of use
Outdoor
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Eurovent ‘Special Project’Test environment (cont.)
The load of an opening consists of three different components:
• Temperature
• Wind
• Ventilation
Different test environments for different Air Curtain applications!
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Eurovent ‘Special Project’Test environment (cont.)
Cold Storage installation
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Dimension [m] Cold cell Warm Cell
Width 5.5 5.5
Length 5 6.5
Height 3.7 4.7
Test rooms minimum dimensions
Eurovent ‘Special Project’Test environment (cont.)
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Commercial and Industrial installation
Dimension [m] Cold cell Warm Cell
Width 5.5 5.5
Length 5 6.5
Height 3.7 4.7
Test rooms minimum dimensions
Eurovent ‘Special Project’Test methods
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• Temperature test (Commercial/Industrial/Cold storage):• Without Air Curtain
• With Air Curtain
• Wind action test (Commercial/Industrial):• Without Air Curtain• With Air Curtain
Eurovent ‘Special Project’Temperature test: Without air curtain
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Eurovent ‘Special Project’Heat loss due to temperature difference over the door opening (without air curtain)
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𝑄𝑇 𝑤𝑖𝑡ℎ𝑜𝑢𝑡 =൯𝑉 ∙ 𝜌 ∙ 𝑐𝑝 ∙ (𝜃0 Τ𝑤 𝑜 − 𝜃1 Τ𝑤 𝑜
𝑇 + 𝑇𝑚𝑖𝑥
Where:
QT without= Heat loss through an open door without air curtain
V= Volume of the warm cell
r= Air density of the warm cell
cp= Specific heat of air
q0w/o= Average instant temperature at t0 of all temperature sensors at the warm cell
q1w/o= Average instant temperature at t1 of all temperature sensors at the warm cell
T= Door opening time
Tmix=Temperature mixing time
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Eurovent ‘Special Project’Temperature test: With air curtain
Eurovent ‘Special Project’Heat loss due to temperature difference over the door opening (with air curtain)
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𝑄𝑇 𝑤𝑖𝑡ℎ =൯𝑉 ∙ 𝜌 ∙ 𝑐𝑝 ∙ (𝜃0𝑤 − 𝜃1𝑤
𝑇 + 𝑇𝑚𝑖𝑥
Where:
QT with= Heat loss through an open door with air curtain
V= Volume of the warm cell
r= Air density of the warm cell
cp= Specific heat of air
q0w= Average instant temperature at t0 of all temperature sensors at the warm cell
q1w= Average instant temperature at t1 of all temperature sensors at the warm cell
T= Door opening time
Tmix=Temperature mixing time
Eurovent ‘Special Project’Screening Efficiency Index due to temperature difference over the door opening (SEIT)
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The SEIT describes how much heat is not loosed through a door opening (due to temp. difference) by using an air curtain unit
𝑆𝐸𝐼𝑇 = 1 −𝑄𝑇 𝑤𝑖𝑡ℎ
𝑄𝑇 𝑤𝑖𝑡ℎ𝑜𝑢𝑡
Where:
QT with =Heat loss through an opening with an air curtain
QT without=Heat loss through an opening without an air curtain
Eurovent ‘Special Project’Screening Efficiency Index due to wind action (SEIW)
www.eurovent.eu Rehva Workshops at Clima 2016
The SEIW describes how much heat is not loosed through a door opening (due to wind action) by using an air curtain unit
𝑆𝐸𝐼𝑊 = 1 −𝑄𝑊𝑤𝑖𝑡ℎ
𝑄𝑊𝑤𝑖𝑡ℎ𝑜𝑢𝑡
Where:
QW with =Heat loss through an opening with an air curtain
QW without=Heat loss through an opening without an air curtain
Part 1
1. Who are we?
2. What are Air Curtains?
3. Air Curtain applications
4. What are the key benefits of Air Curtains?
Part 2
5. International Standards for Air Curtains
6. The Eurovent ‘Special Project’
7. Case studies
8. Q&A
www.eurovent.eu Rehva Workshops at Clima 2016
REHVA WORKSHOPS Eurovent SeminarAT CLIMA 2016
Case study 1Industrial Warehouse: Saving
Lo
sse
s [
MW
h/y
r]
Opening width [m]
Op
en
ing
he
igh
t [m
]
50 MWh/year
Case study:
Industrial warehouse
Temperature difference: 15 oCYear mean wind speed: 4 m/sDoor open:
1h/day
Door dimension: 4x4 m
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Lo
sse
s [
MW
h/y
r]
Opening width [m]
Op
en
ing
he
igh
t [m
]
9.900 €/year
Case study:Industrial warehouse
Temperature difference: 15 oCYear mean wind speed: 4 m/sDoor open: 1h/day
Door dimension: 4x4 m
EACU= 65%
Energy price Denmark: 0,304 €/kWh
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Case study 1Industrial Warehouse: Saving (cont.)
Case Study 2Cold Room
How to improve energy saving and indoor air quality by replacing the cold room’s plastic strips with efficient air curtain?
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Case Study 2Cold Room (cont.)
Cold storage temp: -23°CHeated area temp: +26 °CDoor dimensions: 2.4 x 2.1 m Door opened 100 times a day
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• Huge energy losses • Temperature rise in the cold sections• Ice on the refrigeration units• Ice on the floor
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Case Study 2Cold Room (cont.)
• Lower cold losses• Frost free result• Easier to pass through the
door without the plastic strips
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Case Study 2Cold Room (cont.)
Without Air Curtain
Average cold room temperature: -15°C
With Air Curtain
Average cold room temperature: -19°C
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Case Study 2Cold Room (cont.)
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Questions and Answers
Thank you!
Tak!
Grazie!Tack så mycket!
Danke!Dekuji!
спаси́бо большо́е!Bedankt!¡Gracias!
Dziekuje bardzo!
Eurovent updates
Follow Eurovent on LinkedIn to receive latest updates on our activities and industry developments
Our new homepage is now online: www.eurovent.eu
Email secretariat@eurovent.eu
Phone +32 471 71 52 61
Diamant Building, 80 Bd. A. Reyers Ln
1030 Brussels, Belgium
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