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Massflow Measurement System

Fuel Density Meter FD-5110
Digital Flow Meter FM-3100

Contributing to improved fuel efficiency (CO2 reduction) through high-precision mass flow measurement.

While the electrification of automobiles is progressing, many vehicles are still equipped with internal combustion engines, making improvements in the energy efficiency of internal combustion engines essential.
Developing energy-efficient engines requires accurately understanding the amount of energy input. Converting fuel input to energy consumption requires measuring the mass flow rate of the fuel consumed.
The massflow measurement system, combining the FP-5000 series Flow Detector, the FD-5110 Fuel Density Meter, and the FM-3100 Digital Flow Meter, allows for real-time density measurement and highly accurate mass flow measurement. It also eliminates the complexity of mass flow conversion in various tests.

Features

1. Flow detector: Applicable to alcohol mixed fuel as standard

The FP-5000 series flow detector has been standardized to support alcohol blended fuels, which require corrosion resistance that was not necessary for fossil fuels.
* Alcohol compatible: Changed to a seal material with strong chemical resistance.

  • 1. Flow detector: Applicable to alcohol mixed fuel as standard

2. Improvement in accuracy in low flow ranges compared to the FZ series.

When combined with the FP series Volumetric Flow Detector, a pressure loss of 20 kPa or less (at 60 L/h) is achieved. The detector can be installed while minimizing pressure fluctuations in the flow path. Compared to the FZ-2200A, the accuracy in the low flow range has improved, making it ideal for measurements in low flow ranges such as startup tests.

Accuracy comparison with the Coriolis mass flow meter FZ-2200A.

  • 2. Improvement in accuracy in low flow ranges compared to the FZ series.

3. Compared to conventional models, it is compact and lightweight, and can be installed near the engine.

By significantly miniaturizing compared to conventional models, installation near the engine has become easier. Shortening the piping distance reduces temperature variations in the fuel.

  • Achieves mass flow measurement with a space-saving design; compact and lightweight, making installation near engines easy.
    Achieving mass flow measurement with less space than conventional methods
    Compact and lightweight, making installation near the engine easy
  • Compact and lightweight, making installation near the engine easy → Prevents changes in fuel temperature due to piping length, reducing errors.
    Compact and lightweight, easy to install near the engine
    → Prevents changes in fuel temperature due to piping length, reducing errors
  • Comparison data of response for digital flow meters (1ms analog output)

4. Flow meter: Convert Dens Function
Density value is corrected by fuel temperature flowing through flow detector.

There are differences in the fuel temperature measured by the Fuel Density Meter and the fuel temperature of the FP series flow detector. The FM-3100 has a function to correct the density values measured by the Fuel Density Meter using the measurement temperature from the temperature and pressure sensor unit of the FP series flow detector (optional: EH-0830), which allows for the density values to be corrected to correspond to the fuel temperature flowing through the flow detector, enabling more accurate mass flow calculations.

  • Flow meter: Convert Dens function allows for fuel temperature correction with an optional temperature sensor of the flow detector.

Application example using the function

  • Application example using the function

Video

System Configurations

  • System Configurations

Case Studies

Instantaneous mass flow rate measurement at engine startup

　
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Case: Comparison Test of Injector Accumulation Variation

Comparison Test of Injector Cumulative Variation

Case: Comparison Test of Injector Accumulation Variation

　
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Example: Comparison of measurement values with exhaust gas analyzers.

Comparison of measurement values with the exhaust gas analyzer

　
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最終更新日:2022/06/30