Work Package 3.3

Advanced Heat Pumps & DSR

Professor Neil J Hewitt

Dr Mingjun Huang

Dr Inna Lytvyn

Nik Shah

University of Ulster

Heat Pumps – Retrofit

- Domestic Heat Pumps Understanding what households use?

Heat Pumps – Retrofit

- Domestic Heat Pumps

Understanding what households use and what they are happy with?

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00:02:00 01:42:00 03:22:00 05:02:00 06:42:00 08:22:00 10:02:00 11:42:00 13:22:00 15:02:00 16:42:00 18:22:00 20:02:00 21:42:00 23:22:00

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erm

al en

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63 corrected space heating

64 corrected space heating

Heat Pump Research at Ulster - Optimised Retrofit Heat Pump & Storage 1. Radiator/Heating Distribution System Reviews

- Optimised Retrofit Heat Pump & Storage - 2. Heat Loss Calculations

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g d

em

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Ambient temperature (°C)

Test house heating demand

Heat Pump Research at Ulster

- Optimised Retrofit Heat Pump & Storage - 2. Heat Loss Calculations

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Test house hot water demand

Heat Pump Research at Ulster

Heat Pump Research at Ulster - Optimised Retrofit Heat Pump & Storage - 3. High Temperature Heat Pump

Heat Pump Research at Ulster - Optimised Retrofit Heat Pump & Storage - 3. High Temperature Heat Pump

Heat Pump Research at Ulster - Optimised Retrofit Heat Pump & Storage - 4. Storage Definition

Temperature profile in the PCM

storage during discharging

Temperature profile in the PCM

storage during charging

Heat Pump Research at Ulster

- Optimised Retrofit Heat Pump & Storage - 5. Market Definition

- What value does storage have?

- How does it fit into electricity market models?

Work Package 4.1:

High Temperature Heat Pump

Professor Neil J Hewitt

Dr Mingjun Huang

Miguel Ramirez

University of Ulster

Heat Pumps – High Temperature

- Industrial/Solar Heat Pumps Understanding what fluids might be suitable?

Heat Pumps – High Temperature

- Industrial/Solar Heat Pumps Understanding what fluids might be suitable?

Heat Pump Research at Ulster

- Industrial/Flexible Storage Heat Pumps for i-STUTE

Main Challenges: R245fa

• Refrigerants

• GWP – R134a = 1300

• GWP – R245fa = 950

• GWP – R1234yf = 3

• GWP - R1234ze = 4