Browse Publications Technical Papers 2017-01-1081
2017-03-28

The Influence on Working Performance of the Canister Cavity Design 2017-01-1081

In order to study the single cavity and double cavity canister work performance, the L/D, as well as the similarities and differences among the diameter of the adsorption mouth, purge mouth and air mouth have been studied. At the same time, the work performance of ORVR canister and common canister is also studied. The results demonstrate that the similar of L/D, efficient work ability and efficient adsorption rate of the double cavity canister is better than the single cavity canister. The bigger of L/D, the stronger work ability of the canister. However, the excessive increase of the L/D is not conducive to the canister desorption, instead resulting in the increase of RARCP. The adsorption mouth diameter of common canister is generally smaller or similar to the purge mouth, while for ORVR canister the adsorption mouth diameter is bigger than the purge mouth and similar to air mouth. The vehicle purge flow test results demonstrate that the maximum purge flow of double cavity canister is bigger than that of single cavity, while the total amount of purge flow is similar with each other. The change of the quality about double cavity canister is smaller than that of single cavity. The results provide theoretical basis for canister design.

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