-- card: 9682 from stack: in -- bmap block id: 10460 -- flags: 0000 -- background id: 2586 -- name: -- part contents for background part 23 ----- text ----- ∞D state space A fluid contained between two cylinders has an infinite number of "particles" which can move. Here, all are stationary which corresponds to one state, a point, in state space as shown next.