The radiator should be analyzed as an open system since mass is crossing the boundaries of the system.
closed system
Anywhere in between. The farther open valve is the warmer radiator will get during normal operation of heat system.
The light bulb is a closed system: no mass transfer.
its a closed system, no cap. Add fluid to the plastic container. You can convert to an open system, but that's not cheap. www.jeepmj.com
Closed System
normally closed
closed.
Closed System
closed system
Amphibians have closed circulatory system Closed
closed circulatory system
Odviously-it's-a-closed-system-what-really-come-in-and-out-of-the-earths-crusts...