1 Subjects: “...hardware-in-the-loop testing...”

2 Subjects: “...coal-direct chemical looping combustion...”

3 Subjects: “...closed-loop control...”

4 Subjects: “...feedback loop...”

5 Subjects: “...casual loop diagrams...”

6 Subjects: “...steam/water loop...”

7 Subjects: “...dual-loop ORC...”

8 Subjects: “...shielded loop coil...”

9 Subjects: “...chemical looping...”

10 Subjects: “...heat recovery loop (HRL)...”

11 Subjects: “...closed-loop control...”

12 Subjects: “...closed-loop control...”