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Fuel Consumption in Diesel Engines

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Oval Wheel Flow Meters Model DON may be used for fuel consumption measurement in diesel engines using the dual flow inputs and the ‚A-B‘ setting. A pair of DON flowmeters is used with a single electronic model ZOK-Z3 to give a net reading of fuel consumption. In this off-shore application, a fuel consumption measurement system has been effectively implemented on diesel engines in small ships/ vessels. Here we used a pair of stainless steel flowmeters (DON-S15… for flows upto 550 l/h per flowmeter) and one ZOK-Z3 per engine.

As choking of the flowmeter or strainer in main line may result in higher differential pressure and result in diminishing fuel to the engine, an alternative is to use a pressure relief valve in the bypass line. Higher inlet pressure opens the pressure relief valve and ensures a constant supply to the diesel engine. In selective cases, the choice of „pulsating flow” option may be recommendable.

With this installation, the fishermen are now in a position to monitor the actual real time fuel consumption and adapt the ship speed to optimise it. In general, the return of investment is implemented within a month.

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KOBOLD Instruments Inc.

1801 Parkway View Drive
15205 Pittsburgh PA
United States of America

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