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Development of a thermal energy storage
system in a domestic environment into the
GREENKITCHEN™ project
Nelson Garcia-Pola...
INDEX
1. Introduction
2. Sources of wasted heat
3. Concept design of TES
Index
2
3. Concept design of TES
4. Experimental ...
1. INTRODUCTION
3http://www.iapp-greenkitchen.eu/
1. INTRODUCTION
4
Partners:
2. Sources of Waste Heat
5
2. Sources of Waste Heat (2)
Type of
appliance
Average
energy
consumption
Wasted
energy
Temperature
Waste heat
source
Annu...
150
200
250
300
350
Power(W)
2. Sources of Waste Heat (3)
0
50
100
150
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...
3. Preliminary design
8
3. Preliminary design (2)
Latent Heat Storage (LHS)
Solid-liquid PCM
Macro encapsulated organic PCM
Thermal Energy Storage...
4. Experimental setup
10
5. Preliminary results
Charge phase of the cycle
11
5. Preliminary results
12
5. Preliminary results
13
6. Conclusions
-An assessment of the waste heat produced by common
appliances was done.
-A latent heat based Thermal Energ...
The Bauknecht GreenKitchen™
refrigerator and dishwasher work
together to save water and energy
by reusing wasted heat from...
REFERENCE
7. Acknowledgments and References
ACKNOWLEDGMENT
This work has been developed in the framework of the GREEN
KITC...
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Development of a thermal energy storage system in a domestic environment into the GREENKITCHEN™ project

My speech on April 27, 2015 at Energy Storage World Forum Rome, was focused on how to recover and reuse low-temperature wasted heat from kitchen appliances, and the technologies for the thermal energy storage. A full prototype of Thermal Energy Storage (TES) system was created. The TES system is based on a packed bed of macro-encapsulated phase change material (PCM). Typical household appliances were analyzed in order to evaluate the waste heat produced on the basis of the average user habits at European level.

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Development of a thermal energy storage system in a domestic environment into the GREENKITCHEN™ project

  1. 1. Development of a thermal energy storage system in a domestic environment into the GREENKITCHEN™ project Nelson Garcia-Polanco1, Simone A. Zavattoni 2, Joaquin Capablo1, John P. Doyle1, Maurizio C. Barbato 2 1 Whirlpool R&D, Cassinetta di Biandronno 21024, Italy. 2 Department of Innovative Technologies, SUPSI, Manno 6928, Switzerland.
  2. 2. INDEX 1. Introduction 2. Sources of wasted heat 3. Concept design of TES Index 2 3. Concept design of TES 4. Experimental setup 5. Preliminary results 6. Conclusions 7. Acknowledgments and references
  3. 3. 1. INTRODUCTION 3http://www.iapp-greenkitchen.eu/
  4. 4. 1. INTRODUCTION 4 Partners:
  5. 5. 2. Sources of Waste Heat 5
  6. 6. 2. Sources of Waste Heat (2) Type of appliance Average energy consumption Wasted energy Temperature Waste heat source Annual uses kWh/cycle Wh °C cycles/year Electric ovens 1.25 95 34.5 Air-cooling cycle 110 150 160 (cavity) Structure 160 41 Air-cooling cycle 250 250 (cavity) Structure 6 Microwave ovens 0.056 0.88 30 Air cooling cycle 1,200 Gas hobs 0.75 280 50÷450 Structure 438 Refrigerators and freezers 640 Wh/24h 2,000 Wh/24h 35÷50 (condenser) Air continuous Washing machines 1 550 30÷35 Water 220 Dishwashers 0.8÷0.95 230 40 Water 280
  7. 7. 150 200 250 300 350 Power(W) 2. Sources of Waste Heat (3) 0 50 100 150 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Power(W) time(hours) Gas hobs one hour Gas hobs 7
  8. 8. 3. Preliminary design 8
  9. 9. 3. Preliminary design (2) Latent Heat Storage (LHS) Solid-liquid PCM Macro encapsulated organic PCM Thermal Energy Storage with Phase Change Material (PCM) 9 Macro encapsulated organic PCM Mean diameter capsules= 3-4 mm Melt point=32°C The capsules are composed of 80% PCM, 20% capsule material.
  10. 10. 4. Experimental setup 10
  11. 11. 5. Preliminary results Charge phase of the cycle 11
  12. 12. 5. Preliminary results 12
  13. 13. 5. Preliminary results 13
  14. 14. 6. Conclusions -An assessment of the waste heat produced by common appliances was done. -A latent heat based Thermal Energy Storage (TES) system was developed, analyzed and tested. 14 -A macro encapsulated organic PCM, with melting point of 32°C, was selected as suitable and reliable solution. -A real scale prototype was built and tested to evaluate its capability of storing and delivering thermal energy. -The results of the preliminary tests show the potential of the energy storage system.
  15. 15. The Bauknecht GreenKitchen™ refrigerator and dishwasher work together to save water and energy by reusing wasted heat from the refrigerator to preheat water in the dishwasher (A+++ Dishwasher). 6. Conclusions 15
  16. 16. REFERENCE 7. Acknowledgments and References ACKNOWLEDGMENT This work has been developed in the framework of the GREEN KITCHEN Project (Grant agreement no. 251600) funded by an EU FP7 Marie Curie Action. 16 REFERENCE S. Zavattoni, N. Garcia-Polanco, J. Capablo, J. Doyle, M. Barbato. Household Appliances Wasted Heat Storage by means of a Packed- bed TES with Encapsulated PCM. 13th International Conference on Sustainable Energy technologies (SET2014).

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  • ivaneth

    Apr. 28, 2015

My speech on April 27, 2015 at Energy Storage World Forum Rome, was focused on how to recover and reuse low-temperature wasted heat from kitchen appliances, and the technologies for the thermal energy storage. A full prototype of Thermal Energy Storage (TES) system was created. The TES system is based on a packed bed of macro-encapsulated phase change material (PCM). Typical household appliances were analyzed in order to evaluate the waste heat produced on the basis of the average user habits at European level.

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