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GeoHex SIGNED

Advanced material for cost-efficient and enhanced heat exchange performance for geothermal application

Total Cost €

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EC-Contrib. €

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Partnership

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 GeoHex project word cloud

Explore the words cloud of the GeoHex project. It provides you a very rough idea of what is the project "GeoHex" about.

improvements    recommended    geothermal    porous    power    economy    costly    renewables    thermal    cooled    rankine    transfer    respectively    single    rely    ni    orc    hxs    smaller    air    materials    electroless    time    energy    composition    chiller    specially    condenser    superheater    phase    coated    chemical    preheater    enabled    reduce    material    plant    capital    proportion    base    waste    modifying    antiscaling    district    pumps    cycle    86    steel    surface    accounts    organic    duplex    cooling    heating    compel    environmental    exchanger    recovery    significantly    lowering    geofluid    geohex    handle    hence    structure    leadership    heat    corrosion    anticorrosion    efficient    causing    absorption    ptfe    lower    attribute    coating    direct    decarbonise    brine    carbon    solar    evaporator    degraded    chemistry    contact    conductivity    security    thermophysical    exchangers    hx    critical    performance    nano    expensive    exploited    size    scaling    components   

Project "GeoHex" data sheet

The following table provides information about the project.

Coordinator
TWI LIMITED 

Organization address
address: GRANTA PARK GREAT ABINGTON
city: CAMBRIDGE
postcode: CB21 6AL
website: www.twi.co.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 4˙989˙401 €
 EC max contribution 4˙989˙401 € (100%)
 Programme 1. H2020-EU.3.3.2. (Low-cost, low-carbon energy supply)
 Code Call H2020-LC-SC3-2019-RES-TwoStages
 Funding Scheme RIA
 Starting year 2019
 Duration (year-month-day) from 2019-11-01   to  2022-10-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    TWI LIMITED UK (CAMBRIDGE) coordinator 711˙850.00
2    COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES FR (PARIS 15) participant 652˙178.00
3    GREIN RESEARCH EHF IS (REYKJAVIK) participant 643˙125.00
4    TECHNOVATIVE SOLUTIONS LTD UK (MANCHESTER) participant 592˙543.00
5    SPIKE RENEWABLES SRL IT (FIRENZE) participant 413˙450.00
6    UNIVERSITY OF LEICESTER UK (LEICESTER) participant 360˙348.00
7    NYSKOPUNARMIDSTOD ISLANDS IS (REYKJAVIK) participant 360˙000.00
8    FLOWPHYS AS NO (DRAMMEN) participant 357˙000.00
9    HASKOLI ISLANDS IS (REYKJAVIK) participant 313˙750.00
10    ENOGIA FR (MARSEILLE) participant 250˙000.00
11    ORKUVEITA REYKJAVIKUR SF IS (REYKJAVIK) participant 148˙125.00
12    UNIVERSITATEA POLITEHNICA DIN BUCURESTI RO (BUCHAREST) participant 137˙500.00
13    QUANTUM LEAP JMB MKTG INC PH (TARLAC) participant 49˙530.00

Map

 Project objective

Heat exchangers (HXs) are the most critical components of a geothermal power plant specially for organic Rankine cycle (ORC) based plant and the capital cost of heat exchanger accounts for a large proportion of ORC, and even reaches about 86% when air cooled condenser is used. Direct heat exchangers (e.g. geothermal brine to district heating) and ORC HXs such as superheater, preheater, evaporator are in direct contact with the geothermal brine, causing scaling and corrosion at different extent based on the thermophysical condition and chemical composition of the geofluid. To handle corrosion, expensive materials are recommended, but due to lower thermal conductivity and degraded performance over time compel to increases the size of the HXs. Hence, improvements in the antiscaling and anticorrosion properties as well as heat transfer performance of the HX material will lead to smaller, more efficient and less costly systems.

GeoHex will rely on the use low cost carbon steel as base material for HX. Through modifying the surface with nano porous coating and controlling the surface chemistry (along with the surface structure), GeoHex will significantly improve the heat transfer performance of single phase and phase change heat transfer process respectively. To attribute the antiscaling and anticorrosion properties, the brine side of the surface will be Ni-P/Ni-P-PTFE duplex coated by electroless method.

GeoHex will significantly reduce the cost of ORC plant while lowering the environmental impact. The technology concept can be exploited to build cost efficient HXs for solar thermal energy, heat pumps, absorption chiller, geothermal energy-based district heating cooling system. GeoHex enabled ORC plant, heat pumps and absorption chiller can be used for waste heat recovery application. Hence, GeoHex will significantly contribute to enhance the energy security, decarbonise the economy, establish the EU leadership on renewables.

 Deliverables

List of deliverables.
Analysis of HX technologies for geothermal & HXs structures Documents, reports 2020-04-09 20:58:28
Ideal flow boiling surface for ORC fluid Documents, reports 2020-04-08 02:09:07
Thermophysical characterisation of ORC working fluid Documents, reports 2020-04-08 02:09:07
SOA materials for Geothermal HX and limitation Documents, reports 2020-04-08 02:09:07
Ideal condensing surface for water and ORC fluid Documents, reports 2020-04-08 02:09:07
A project website Other 2020-04-08 02:09:06

Take a look to the deliverables list in detail:  detailed list of GeoHex deliverables.

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The information about "GEOHEX" are provided by the European Opendata Portal: CORDIS opendata.

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