JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 56

USERS’ PLATFORM Succesful partners g…/… Composite cooling ducts More information Founded in 1996, DJP is a French SME based in the south of Paris, France, with a workforce of 18 people and a turnover of 1.5 million euros. The DJP team is implied in the design and the making of high performance composite components for civil or military aeronautics, automotive, medical applications or competitive sports since 1979. The DJP speciality is the making of polymorphous hollow bodies without assembly or gluing, able to withstand to severe conditions in use. The added value of composites The qualities of composite materials in terms of vibration filtration and of ability to withstand fatigue as well as of the natural frequencies of items made of them, added to the considerable weight gain (in the order of 7 to 8 for the programme under consideration), made possible to guarantee a long lifespan for the on loaded equipments adopted with great probability of success. Materials used at sea are exposed to a particularly aggressive environment. Due to their resistance to such an environment, these composites make it possible to considerably reduce the costs of maintenance of such materials and procure an overall cost of use for such materials that is of great interest, despite the cost of the raw materials and the cost of shaping them. All advantages of composites expressed in response of the program specifications have been used: time life (corrosion, vibrations, and mechanical resistance), watertightness, and superstructures lightening. The lightening has been made essential due to the really specific position of these products of which the cantilever assembly exhibited important risks facing vibrations. Introduction into general service of these devices and their derivatives on marine engines should have to allow return on investments in very few years from the time that all the duct and/or valve body shapes can be produced using the techniques perfected through the VANEO program. The partners are ready to invest in derivative applications and thus to pay off the investments they have made. Furthermore, this programme allowed showing that large marine engines can be significantly lightened while benefiting from greater longevity in a difficult environment. This leads to predict that the end-user will have a real financial interest in choosing such techniques. The achieved set « duct / sluice-gate » opens great prospects in terms of corrosion resistance, time life, mechanical stresses withstanding and lightening of engines and superstructures. Every commercial marine construction is in position to incorporate numerous devices of this type, especially small and medium-sized fleets. More information: www.djp.fr Conclusion The program development length has been of one year and a half. Several parts are already used in marine engines and the experimentation at sea is continuing. Seven Y-ducts and three sluice-gates have been necessary to validate the “VANEO” program. Four Y-ducts and one sluice-gate are under test at sea. JEC Composites Magazine / No36 October - November 2007
http://www.djp.fr http://www.jeccomposites.com/magazine-subscription/

JEC COMPOSITES MAGAZINE - Issue #36 - October 2007

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #36 - October 2007

- Trends
FEATURE: TRANSPORTATION
- Measurement
Edito
BUSINESS
- Innovations
- Niche markets
- Companies
- Application
- Successful partners
- Composites in the world
CONTENTS
KNOW-HOW
- Process
USERS’ PLATFORM
- Market
- Market survey
NEWS WORLDWIDE
- Prototyping
- Agenda of events
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 1
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 2
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - Edito
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 4
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 5
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - CONTENTS
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 7
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - NEWS WORLDWIDE
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 9
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 10
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 11
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 13
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Innovations
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 15
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 16
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - BUSINESS
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Market survey
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 19
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 20
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 21
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 22
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 23
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 24
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 25
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Trends
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 27
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Niche markets
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - FEATURE: TRANSPORTATION
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Market
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 31
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 32
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 33
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Application
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 35
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 36
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 37
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 38
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 39
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JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 42
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JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 45
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 46
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 47
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 48
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - USERS’ PLATFORM
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Composites in the world
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 51
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Successful partners
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 53
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 54
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 55
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 56
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - KNOW-HOW
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Prototyping
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 59
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 60
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 61
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Process
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 63
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 64
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - - Measurement
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 66
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 67
JEC COMPOSITES MAGAZINE - Issue #36 - October 2007 - 68
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