German American Chamber of Commerce PRESENTATION ON NOVEMBER 6th, 2008 Axel Popp

Transcription

1 German American Chamber of Commerce PRESENTATION ON NOVEMBER 6th, 2008 Axel Popp Constructcion Automotive Industry

2 WHO IS REHAU UNLIMITED POLYMER SOLUTIONS We are daily redefining the limits of the possible through polymer-based solutions Jobst Wagner, President of the Supervisory Board As a premium brand for polymer-based solutions, REHAU is an international leader in construction, automotive and industry. Initially, REHAU established itself successfully in Germany and the surrounding Western countries. This was followed by an early expansion in entire Europe and the expansion to North America as well as Asia and Australia. Today REHAU is represented worldwide on all continents in more than 50 countries. REHAU PBAU Page 2

3 REHAU WORLDWIDE VERY CLOSE TO THE CUSTOMER REHAU is present at more than 170 locations with more than 14,000 employees. Their worldwide network together with the networks to suppliers, customers, research institutes and universities creates the best results through the flexible interaction between those most competent to perform the task at hand. REHAU PBAU Page 4

4 REHAU IN NORTH AMERICA VERY CLOSE TO THE CUSTOMER REHAU North America operates 1 administrative office, 7 production plants and 15 sales offices in United States, Canada and Mexico with 1,400 employees. The administrative office is located in Leesburg, VA (Washington D.C. area) East Cost Sales Office is located in Los Angeles: REHAU Inc Green River Road Corona, CA Contact: Sales Director Joe Lepire joe.lepire@rehau.com REHAU PBAU Page 5

5 STRATEGIC BUSINESS UNITS THE REHAU BUSINESS UNITS CONSTRUCTION AUTOMOTIVE INDUSTRY - Window and curtain walling technology - Building technology - Civil engineering - Exterior body parts - Water and air management systems - Seals - Furniture - Household appliances - Hoses/tubings - Industrial developments REHAU PBAU Page 6

6 THE STRATEGIC BUSINESS UNIT CONSTRUCTION THE DIVISIONS Window and curtain walling technology REHAU supplies specialist companies in window and curtain walling construction with market-driven programs and services Building technology REHAU develops and produces integral and complete system solutions around the topics: heating/cooling, gas/water installation, industrial pipe/compressed air networks and electrical installation Civil engineering is an innovative system supplier for water management, energy management, communications engineering, earth moving and foundation work REHAU PBAU Page 7

7 The three pillars of energy efficiency 1. Reducing Energy Losses: - High performance window, door and curtain walling systems 2. Efficient energy distribution: - Panel floor and wall heating - concret core activation - Panel wall and ceiling cooling 3. Provide renewable energies: - Geothermal for heating and cooling - Solar thermal for heating - Biomass/Biogas: heat and power production REHAU PBAU Page 8

8 The dream team of energy efficiency: geothermal and panel heating 6,0 5,5 5,0 4,5 4,0 3,5 3,0 CCA Panel heating Radiators - Panel Heating: low flow temperatures - Panel Cooling: high flow temperatures Heat Pump COP Little temperature difference between soil and flow High heat pumpe COP (coefficient of performance: relation between energy output and energy input) 2,5 3, Temperature difference between heat source and heat sink [K] REHAU PBAU Page 9

9 Geothermal for heating and cooling Soil acts as heat source and heat sink investment in geothermal installation and heat pumps to be used for heating and cooling heating : heat transfer into the buidling cooling : heat transfer into the soil Jan Apr Jun Sep Dez (northern hemisphere) REHAU PBAU Page 10

10 Material matters! 9000 Weakness of Polyethylen: slow crack growth Criteria : FNCT (full notch creep test) FNCT nach ISO Result : PE100 fails after some hundred test hours No slow crack growth with PE-Xa! C 80 C 80 C PE 80 PE 100 PE-X REHAU PBAU Page 11

11 Material matters! PE-HD failure mode: PE-Xa to be used for geothermal installations Major European Utilities use PE-Xa for Natural Gas and Water supply pipes! REHAU PBAU Page 12

12 Material matters! Weakness of PE-HD: limited resistance to punctual loads Punctual load Stress distribution Resulting cracks PE-HD: Crack initiation at the inner surface adjacent to the puntual load Failure following slow crack growth PE-Xa is resistant to punctual loads! REHAU PBAU Page 13

13 Material matters! Geothermal probes (vertical heat exchangers) are never postioned in the borehole center but always touch the borehole wall. Result: punctual loads! Additionally, significant temperature fluctuations resulting in heat pump cycles have to be taken into account. Resulting expansion forces: up to 800N (160 pounds)! bis 800N REHAU PBAU Page 14

14 Engineering matters! State of the art: welded probe tip Joints always are potential failure sources Failures may happen even after pressure test : REHAU PBAU Page 15

15 Engineering matters! RAUGEO probe PE-Xa one pipe, no joints utmost robust PE-Xa material slim polyester reinforcment of the probe tip - protection during probe insertion - cross-wise coupling for easy insertion - in-mould weight coupling With US IGSHPA approval (international ground source heat pump association) REHAU PBAU Page 16

16 Material matters! PE-HD PE-Xa Excavated material mostly has a higher heat conductivity than sand Requires sand bedding Can be buried in excavated material REHAU PBAU Page 17

17 Material matters! PE : to be used up to 100 F PE-X: to be used up to 200 F!. PE-Xa allows the save coupling of geothermal and solar thermal! Thermal regeneration of the soil by surplus solar heat No stagnation of the solar panels in case of full buffer tank REHAU PBAU Page 18

18 Engineering matters: helical heat exchangers New REHAU products: Helical probe (if drilling is not permitted or if horizontal space is limited) REHAU PBAU Page 19

19 Engineering matters: energy piles If pillars are required for static reasons anyway Current project: new main Berlin airport (1024 piles) REHAU PBAU Page 20

20 Air ground heat exchangers Principle: Inlet air passes a buried pipe system Result: 95 F (summer) cooling 60 F 30 F narrowed temperature profil heating Saving of cooling energy Saving of heating energy 5 F (winter) REHAU PBAU Page 21

21 Engineering matters: antibacterial inner layer Number of microbes Standard pipe Antibacterial inner layer Source: Results Institut Fresenius REHAU PBAU Page 22

22 Air ground heat exchangers TESCO ZDZIESZOWICE, Poland Heating energy reduction: 58% Potential cooling energy reduction: 43% AWADUKT THERMO DN m AWADUKT THERMO DN 500 Header pipes REHAU PBAU Page 23

23 Study on the performance of Air Ground Heat Exchangers in the US HVAC concepts: a) full air handling b) CCA and supporting ventialtion Simulation based on true TRY climate data REHAU PBAU Page 24

24 Simulation results for Full Air Handling + AGHE Energy Savings Air Treatment - Toronto - reference case without AGHE with AGHE Cooling Heating Cooling Heating Fan Cooling Energy Saving Heating [kwh] [kwh] [kwh] [kwh] [kwh] [kwh] % [kwh] % Jan % Feb % Mar % Apr % % May % % Jun % % Jul % % Aug % % Sep % % Oct % % Nov % Dec % Sum % % REHAU PBAU Page 25

25 Office buidling Kaisersesch, Germany since 2003 in operation 25000ft² concrete core activation 32 REHAU RAUGEO probes PE-Xa à 300ft Operation cost for heating+cooling: 5800 /Jahr 21 kwh/m²a for heating + cooling REHAU PBAU Page 26

26 BEISPIEL ENERGY-EFFICIENT ERDWÄRMEKOLLEKTOR CONSTRUCTION Adidas Factory Outlet, Herzogenaurach Horizontal collectors for heating+cooling underneath the building REHAU PBAU Page 27

27 Lu-teco: Office Building acc to Passive-House Standard ft² total ( ft² of which heated and cooled) Heating demand: < 15 kwh/(m²a) HP capacity: 120 KW (35 tons) Concrete Core activation: ca ft PE-X RAUGEO probes Xa : 300ft REHAU PBAU Page 28

28 Seasonal energy storage Underground Thermal Storage at Okotoks, Canada: 144 RAUGEO 120ft Seasonal energy store for surplus solar thermal heat for a dwelling of 52 family homes. REHAU PBAU Page 29

29 State of the art office building Office Building Seekamp, Hamburg REHAU Ploytec 50 Curtain walling system REHAU Thermo Design 70 window system Concrete Core Activation: REHAU PBAU Page 30

30 THANK YOU FOR YOUR ATTENTION BERLIN, NOVEMBER 6th, Constructcion Automotive Industry