Keyphrases
Storage Volume
100%
Spiral Tunnel
100%
Economic Study
100%
Idealized Geometry
100%
Heat Storage
100%
Heat Loss
66%
Rock Caverns
50%
Large Storage
33%
Steel Tank
33%
Alpine Region
16%
Austria
16%
Further Development
16%
Operating Cost
16%
Temperature Profile
16%
Service Life
16%
Renewable Energy Integration
16%
Winter Season
16%
Seasonal Storage
16%
District Heating Network
16%
District Heating System
16%
Maintenance Cost
16%
Storage Cost
16%
Construction Cost
16%
Limited Storage Capacity
16%
Industrial Waste Heat
16%
Cavern
16%
Long Service Life
16%
Cold Season
16%
Construction Method
16%
Access Structure
16%
Steady-state Temperature
16%
Current Costs
16%
Rock Conditions
16%
Vertical Dimension
16%
Storage Cavern
16%
District Heating
16%
Varying Geometries
16%
Efficient Construction
16%
Economic Construction
16%
Engineering
Heat Losses
100%
Heat Storage
100%
Rock Cavern
75%
District Heating
50%
Cubic Metre
50%
Steel Tank
50%
Service Life
50%
Operating Cost
25%
Seasonal Storage
25%
District Heating System
25%
Construction Cost
25%
Industrial Waste Heat
25%
Sound Rock
25%
Storage Cost
25%
Construction Method
25%
Access Structure
25%
Renewable Energy Source
25%
Temperature Profile
25%
Boundary Condition
25%