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Title: Development of an advanced quick-fill meter for natural-gas-vehicle fueling. Final report, Phase 2, January 1988-December 1989

Technical Report ·
OSTI ID:6367271

The objective of the program is to develop an advanced quick-fill meter capable of accurately measuring the amount of fuel dispensed for natural gas vehicles. During the first phase of the program, a set of meter performance specifications were developed, various meter concepts were screened, a quick-fill meter test stand was constructed and three metering concepts were evaluated. These metering concepts were a compressed natural gas storage (cascade) weighing system, a Coriolis flowmeter (Micro Motion) and a sonic nozzle array (Digicell). The specifications established were + or - 0.5% for a complete vehicle fill and + or - 1.0% for partial fills. None of the meters evaluated met this accuracy specification. The Coriolis and Digicell meters were recommended for further development, modifications and testing in Phase II because their performance approached desired specifications. In the second phase of the program, both of the recommended meters were redesigned by their respective manufacturers. These meters were reevaluated on Columbia's test stand for their performance. The testing revealed improved performance for both meters, but the small fill accuracy requirements were not achieved.

Research Organization:
Columbia Gas System Service Corp., Columbus, OH (USA)
OSTI ID:
6367271
Report Number(s):
PB-91-109058/XAB; CNN: GRI-5086-530-1353
Resource Relation:
Other Information: Portions of this document are not fully legible
Country of Publication:
United States
Language:
English