TESTING & SIMULATION SYSTEMS The ETC Altitude Simulation System is used for a variety of engine testing applications, including power and emissions testing, in both steady and transient state use. This system possesses the capability to provide a test environment simulating various altitudes with a range of temperatures and humidity to choose from, without the use of a costly, conventional altitude chamber. Comprised of modular components that enable installment in existing or unusually shaped test cells, the ETC Altitude Simulation System offers optional pressure control configurations designed to accommodate drafting and other air intake velocity variations. The ability to perform testing with repeatable and accurate test results ensures that test results are accurate every time they are performed. ALTITUDE SIMULATION SYSTEM
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TESTING & SIMULATIONSYSTEMS
The ETC Altitude Simulation System is used for a variety of engine testing applications, including power and emissions testing, in both steady and transient state use. This system possesses the capability to provide a test environment simulating various altitudes with a range of temperatures and humidity to choose from, without the use of a costly, conventional altitude chamber.
Comprised of modular components that enable installment in existing or unusually shaped test cells, the ETC Altitude Simulation System offers optional pressure control configurations designed to accommodate drafting and other air intake velocity variations.
The ability to perform testing with repeatable and accurate test results ensures that test results are accurate every time they are performed.
ALTITUDE SIMULATION SYSTEM
APPLICATIONSGasoline Engine R&D
Cold Start Testing
Diesel Engine R&D
Fuel Economy Testing
Aircraft Engine R&D
Induction System R&D
Power Testing
Turbo Charger and Aftercooler R&D
Emissions Testing
Steady and Transient State Testing
CONTROL SYSTEMSETC’s sophisticated control system utilizes either a feedback or feed forward approach. An industry standard programmable logic controller (PLC) is used, which digitally communicates with the existing facility control systems. The link passes test profiles, engine and dynamometer status, and Altitude Control System information upstream and downstream.
ALTITUDE SIMULATION SPECIFICATIONS
TESTING & SIMULATIONSYSTEMS
125 James Way | Southampton PA 18966 www.TestingandSimulation.com
©2020 Environmental Tectonics Corp, all rights reserved. ETC Testing & Simulation Systems is a business unit of Environmental Tectonics Corporation. Conditioned Air Supply (CAS)TM and Engine Pressure Control (EPC™) are trademarks of Environmental Tectonics Corporation. All rights reserved.
FEATURESPARAMETER ALTITUDE SIMULATION PRESSUREAltitude Control Range Site pressure to 15,240m (50,000 ft)Steady State Control Stability ± 50m (160 ft)Transient Response to Throttle Change Re-establish pressure control within 2 seconds (depending on disturbance characteristics)Transient Response to Setpoint Change Re-establish altitude control to ± 100m (320 ft) within 5 seconds (depending on setpoint change)Temperature Control Range -50°C to 90°CTemperature Control Stability ±0.3°CHumidity Control Range 3°C to 30°C Dew PointHumidity Control Stability ±0.5°C Dew PointBoost Pressure Simulation Up to 3 psi above barometric pressure, controlled within ±0.02” Hg (±0.01 psi)
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