Figure 1. A closed-circuit cooler. Photos courtesy of Evapco. It’s a common question during the early design phase of large mechanical systems: Is open- or closed-loop cooling equipment better suited ...

Closed loop recycling is the process of collecting and reprocessing recycled goods without losing the integrity of the original material. In a closed loop, goods are recycled over and over again and ...

Scientists from the United Kingdom’s University of Nottingham and China’s Southwest Jiaotong University have developed a novel hydronic closed-loop PV cooling system for hot and arid regions. “We ...

Today on Hackaday Dictionary, we’re going to talk about the two basic types of control systems: open-loop and closed-loop. We’ll describe the differences between them and explore the various ...