Oil Separator Test Rig，ISO 11155 oil droplet separation tester
The Oil Separator Test Rigis designed for automated testing procedures in order to obtain results regarding flow regimes and gravimetric and fractionalparticleremoval efficiency.
Crankcase ventilation systems are using oil separators in order to reduce oil consumption and even more important nowadays to reduce final emission rates of the engine. Catalysts can also be adversely affected by burned oil residuals in the exhaust. Crankcase ventilation systems CCV are optimized by measurements of:
- fractionalparticleremoval efficiency
- discharge curve (pressure and volume flow)
- pressure regulation curve
- leakage
at engine test benches.
An increasing number of oil separator manufacturers are now using special test benches like the Q 140 to study the performance and to optimize separators design by simulating the above parameters. The sample is tested in over and under pressure mode with an especially conditionedaerosol(mass flow rate, temperature). The environment of the sample is tempered as well. The separated and passed oil is measured depending on volume flow rate. The measurement is done gravimetric with an absolutefilter. The oil mass leaked from the separator is detected online. Likewise the leakage of the oil drain can be measured. The test rig simulates typical application of oil mist separators. Recording the pressure regulation curve is made by measuring the “pressure in the crankcase ventilation system ” versus “air intake pressure” at several volume flow rates. The fractionalparticleremoval efficiency has also become an important parameter in recent studies.
Applications
Test System SPT for testing of separator, especially for blow-by oil mist separators
Standards
ISO 11155 series – air filtration and separator standards
DIN 71460-1/2 – cabin and related oil mist separator standards
ISO 12103-2 – test dust and particle characteristics
ISO 5011 – filter media performance testing (referenced for separator elements
ISO/TS 16332-2006 – Road vehicles — Crankcase ventilation systems — Test method for oil mist separators
ISO 4020-2001 – Rubber — Determination of effect of liquids on material properties (applicable if testing rubber components of separators)
SAE J905-1999 – Automotive CCV systems — Test methods for crankcase ventilation oil separators
Features
compact test bench
wide range of flow rate
sample holder adjustable for different sample dimension
heated oil mist generator (maximum 120°C)
closed loop system for different pressure regimes
possibility of opening up the secured testing channel
heatable Aerosol Generator ATM 243 also utilizable without SPT 140
Software guided testing procedure
test rig control and data acquisition software for Windows
precise flow rate analysis
Technical data
| Parameter title | Unit | Value |
|---|---|---|
| test flow rate | m³/h | 0.9 ... 18 or 1.2 ... 24 |
| testaerosol | - | dropletaerosolbased on mineral or synthetic engine oil |
| differential pressure of test specimen | Pa | ± 20000 |
| operating medium, gas/air | - | room air (common laboratory conditions) |
| operating medium, gas/air - compressed air supply | bar | max. 6 (300 L/min) |
| operating medium, water - water supply | bar | max. 6 (from water network, max. 20 L/h, for cooling circuit) |
| power supply | - | 400 V, 16 A |
| aerosolgeneration technology | - | ATM 243 or LDG 243 (optional) |
| dimensions (w × h × d) | mm | 2100 × 1200 × 925 |
| weight | kg | approx. 400 |
Accessories
oil droplet generator LDG 244 to produce large droplets for the simulation of oil film and oil gush effects
Test Procedure
Install the separator in the adjustable sample holder, ensuring complete sealing.
Start the oil mist generator and set the flow rate and temperature.
Start the automated test program; software guides the test process.
Measure separation efficiency, oil leakage, and differential pressure changes.
Record pressure regulation curves and flow characteristics.
Upon completion, move the separator to a safe area; software generates the test report.
Export data for long-term analysis, performance optimization, and standard compliance.
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