WHEXPERS
Study and manufacturing of a Wasted Heat Exchanger and a hot air Piston Engine Recuperation System
| Coordinatore | INTRENIA SL
Organization address
address: CALLE ALCALLERES 1 2 IZDA contact info |
| Nazionalità Coordinatore | Spain [ES] |
| Totale costo | 1˙196˙097 € |
| EC contributo | 897˙071 € |
| Programma | FP7-JTI
Specific Programme "Cooperation": Joint Technology Initiatives |
| Code Call | SP1-JTI-CS-2010-03 |
| Funding Scheme | JTI-CS |
| Anno di inizio | 2011 |
| Periodo (anno-mese-giorno) | 2011-03-04 - 2014-06-03 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 |
INTRENIA SL
Organization address
address: CALLE ALCALLERES 1 2 IZDA contact info |
ES (VALLADOLID) | coordinator | 315˙976.00 |
| 2 |
AKIRA TECHNOLOGIES SARL
Organization address
address: RUE DE LA GALUPE ZA SAINT 17 contact info |
FR (BAYONNE) | participant | 290˙995.00 |
| 3 |
ATELIER DE CONSTRUCTION DE THERMO ECHANGEURS SA
Organization address
address: RUE PIEDS D ALOUETTE 18 contact info |
BE (NANINNE) | participant | 290˙100.00 |
Mappa
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Obiettivo del progetto (Objective)
The objective of this project is to study and manufacture a Wasted Heat Regeneration System (WHRS). The WHRS is composed of : - a heat exchanger, to be tested within the exhaust gas nozzle of a turbo shaft engine - a hot air piston engine, to be tested with an artificial electric hot source
The heat exchanger is an air / air type directly installed in the gas turbine exhaust nozzle. In the final application, it will withdraw the heat from the exhaust gases and it will heat up the “hot loop” pressurized air flow coming from and going to the piston engine. During this prototype phase, the air flow will be supplied to the heat exchanger by an artificial air compressor in order to evaluate the heat transfer obtained by this heat exchanger. The heat exchanger will have to respect strong environment constraints due to its integration in a turbine exhaust nozzle. It should not have a major impact on the architecture of the turbine or on the exhaust gas flow.
The hot air piston engine will be a mono-cylinder reciprocating piston engine rotating up to 7.500 rpm if necessary at the end of test (6000 rpm max speed during the main part of the tests), fed by external air through classical admission and exhaust system, and getting its power from the artificial electric hot loop. The design of the engine is optimized in terms of internal frictions in order to maximize the work produced by the WHRS. This will be achieved by using the correct materials and surface treatments, and by the design of an engine equipped with unconventional valves. The hot temperatures provided by the hot source require the use of low thermal expansion coefficient materials for the components in order to ensure the correct fitting of components and avoid seizure of the system.
Our consortium will realize the following tasks: - Detailed study and manufacturing of 2 heat exchangers - Study of the base engine components (piston / rod / crankshaft / cylinder block) - Performance test on partial cylinder head components in terms of permeability and friction-sealing compromise - Partial redesign of cylinder head depending on partial tests results process/material integration - Manufacturing of one hot air piston engine - Study and manufacturing of a bench (adaptation of an existing engine test rig) for the piston engine with the electric artificial hot source - First verification of the piston engine performance and mini-endurance test (approx. 50h).
Introduzione (Teaser)
Using the thermal expansion of air to move pistons, hot air piston engines convert heat energy into mechanical energy. EU-funded scientists are integrating this technology with waste heat recovery for more efficient aircraft engines.