A high-quality 3D illustration of a closed-loop cooling system, shaped like a horizontal oval tube. The transparent tube contains circulating liquid, with a smooth gradient from blue (cold) to orange (warm) to show temperature change. The flow moves continuously through the loop, visually indicated with arrows or motion blur. The background is a dark navy blue with soft glowing particles around the loop to represent heat exchange. The overall style is sleek, modern, and clean, ideal for a product infographic. See more