Analysis of Dynamic Characteristics of Heat Pump with Thermal Accumulator

This study presents an analysis of the dynamic characteristics of a heat pump system integrated with a thermal accumulator. Experimental data and analytical results are compared, demonstrating the performance of the system and its control mechanisms. The research provides insights into the operation and control strategies of domestic-scale heat pumps for efficient energy utilization.

• Heat Pump System
• Thermal Accumulator
• Dynamic Characteristics
• Experimental Data
• Control Mechanisms

daniellec Follow

Uploaded on Dec 08, 2024 | 0 Views

Download Presentation

Please find below an Image/Link to download the presentation.

The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.

Presentation Transcript

1. COMETa 2020 5th INTERNATIONAL SCIENTIFIC CONFERENCE Conference on Mechanical Engineering Technologies and Application East Sarajevo, B&H, RS November, 26 th - 28 th, 2020 ANALYSIS OF DYNAMIC CHARACTERISTICS OF HEAT PUMP WITH THERMAL ACCUMULATOR Aleksandar Vi ovac1, Dragan Pr i 2, Vladimir Stojanovi 3 1SM Engineering, Belgrade, Serbia 2,3 University of Kragujevac,Faculty of Mechanical and Civil Engineering, Kraljevo, Serbia

2. Figure 1. Domestic scale heat pump with thermal accumulator

3. Figure 2. Photo of experimental setup

4. Figure 3. Heat pump compressor control with relay nonlinearity

5. a) Actual temperature b) Evaporator superheat Figure 4. HP Experimental data

6. c) EXV Openness b) Heat flux at the input Figure 4. HP Experimental data

7. Figure 5. Feedback Control of HP System Figure 6. Switching mechanism of HP system

8. ????= (? + ?0) ? = ??? ????= ? ?0 ??? 2 ? = ???? = = ? ? < ?0< ? ? ??= ?? + 1

9. ??= ??= ? ??1= ? ??? ? ?0+? ? ? ?0 ? ??2= ? ??? ?+?0+? ? ?+?0 ?

10. a) ??1,??2 vs. ?0 dependence b) ??1,??2 vs. ? dependence Figure 7. Analytical results

11. c) ??1/??2 vs. ? dependence d) T vs K dependence Figure 7. Analytical results

12. ??1+??2??????????? ??1+??2 ??? 0 ? = ??0 = 0

13. Figure 8. Experimental vs. simulation results for temperature of thermal accumulator

14. CONCLUSION