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The Mobile Altitude Simulator (Mob-EACS) is an innovative system that allows tests to be carried out on internal combustion engines by simulating altitude conditions above sea level that are different from the real conditions of the site where the test is actually carried out. The altimetric simulator makes it possible to test the behaviour of an engine at different altitude conditions in a range from 800 meters below sea level to 5.000 meters above sea level.

Thanks to a very fast and reliable regulation system, the mobile altimetric simulator (Mob-EACS) is able to maintain the pressure set in the simulation software, adapting to any variation coming from the engine operating requirements. This allows you to perform any type of test in steady, transient conditions or to accurately simulate uphill or downhill paths.

Similarly to the fixed solution of the altimetric simulator (EACS), the introduction of the mobile altimetric simulator (Mob-EACS) in engine, vehicle and powertrain test cells, or more simply in the testing world, has made it possible to eliminate the structural problems of the barometric chambers (test cells), ensuring greater installation flexibility. The concept of altimetric simulation has been extended to any type of test cell, regardless of the altitude above sea level at which it is located. The mobile altitude simulator (Mob-EACS) has been designed with the aim of being movable from one test cell to another one. For this purpose, the system is assembled on a "trolley" equipped with wheels in the base of which special holes are embedded and integrated for lifting by forklifts too.

Thanks to its small size, the mobile altimetric simulator (Mob-EACS) has allowed a further expansion of the field of application, allowing installations where, due to the lack of sufficient space, it was not possible to insert a fixed altimetric simulator (EACS).

MOB-EACS
MOB-EACS

Mob-EACS allows, with a small system, to perform any test both in stationary and in transient conditions, with extremely limited engine pressure variations and without the need to pressurize the test cell. Thanks to the low response time of the pressure control system, it is also possible to accurately simulate uphill or downhill routes.

The solution adopted consists in the creation of a volume of adequate capacity, within which a pump system maintains the desired pressure conditions even during transient conditions of the engine (sudden variations in the flow rate of combustion air, fuel and exhaust gases). The engine intake and exhaust ducts are then connected to this volume via hermetically sealed connections.

Mob-EACS can be integrated with optional devices, which allow precise regulation of the temperature and humidity of the combustion air:

  • Mob-AHU (Mobile Air Handling Unit): it guarantees precise control of temperature and humidity over a wider range.
  • Mob-TFC (Mobile Temperature Fluid Control): allows you to further extend the range of temperature and humidity regulation.

Mob-EACS is available for different mass flow rate sizes: from 900 kg/h up to 1.500 kg/h; but thanks to the Link Mode solution, in which two twin systems are used simultaneously, the flow range can be doubled, guaranteeing up to 3.000 kg/h.

The intelligence of the EACS system entirely resides within a software application created in INT9000 software development environment which, in addition to making the application easy to use, guarantees full interfaceability with any test cell automation system.

  • Available sizes:
    • 900 kg/h (1.800 kg/h in Link Mode version)
    • 1.200 kg/h (2.400 kg/h in Link Mode version)
    • 1.500 kg/h (3.000 kg/h in Link Mode version)
  • Minimum pressure – 500 mbar (approx. 5.000 m above sea level)
  • Maximum pressure +100 mbar (approx. 800 m below sea level)
  • Altitude Rate of Change 250 m/s
  • Regulation accuracy (steady state) ± 4 mbar
  • Regulation accuracy (dynamic conditions) ± 8 mbar
  • Temperature regulation from -20°C to 35°C (with AHU and TFC options)
  • Temperature stability ± 2 °C
  • Remote Control AK Protocol

UTAC, Millbrok (England) – Mobile Altimetric Simulator “Mob-EACS” (2024)

MASERATI, Modena (Italy) – Mobile Altimetric Simulator “Mob-EACS” (2021)

  • Dynamic testing capability
  • Possibility to simulate both higher and lower altitudes than the real one
  • Extremely low power consumption thanks to the use of regenerative inverters
  • Can be placed in existing test cells
  • Possibility to move the system from one test cell to another one
  • Different load sizes available
  • Intuitive and flexible software
  • Full control via AK protocol

PRODUCT GALLERY

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