Type

NTDH

Short description

NTDH utilizing ground water for residential complex and office building heating

Location

"Rheinfels/Kleinbruggen" district in Chur

Country

Switzerland

End users

Residential complex Rheinfels III and Mazzeoleni, cantonal road traffic office building and new data center

Heat source

Ground water

Description

Ground water exchanges heat through HEX to secondary loop that feeds booster HPs at consumer substation for SH and DHW

Cooling

Yes

Heat source-network connection

HEX

Booster HP or no for SH

HP

Booster HP, IHEU or DHSU for DHW

HP

Category

1.4.1.1.1.

Tsupply,min [°C] (network)

6

Tsupply,max [°C] (network)

16

Tsupply,max [°C] (at consumer substation)

40

Treturn [°C] (network)

7

Installed capacity [MW]

2.5

Network length [km] (if not specified-pipes, trench specified)

0.48

LHPDD (linear heating power demand density)=(installed thermal power capacity)/(network length(pipes)) [kW/m]

5.2

Reference 1

https://ibc-chur.ch/wp-content/uploads/2016/04/1461306229-020e5b03283499960a766d1acbe739cd.pdf

Reference 2

https://ibc-chur.ch/wp-content/uploads/2017/11/1511418335-7d8d4b32a23e21073c65f81c1244b6cf.pdf

Reference 3

https://ibc-chur.ch/wp-content/uploads/2016/04/1461226333-9cc85cef27b2f7834377c11bbfc3af37.pdf

Reference 4

https://doi.org/10.1016/j.rser.2018.12.059

Number 34