Page 83: of Maritime Reporter Magazine (April 1998)

PROPULSION UPDATE

Figure 1

Variation in NOx Emission Rates, 2 Slow Speed Engines •

A

A 1 i 9 • • Engine 1 • Engine 1 a Engine 2

Delivery

In-service

Delivery 60 % MCR

Figure 2

Variation in NOx Emission Rates, 4 Medium Speed Engines • Engines 1-4, Trial 1 • Engines 1-4, Trial 2 60 % MCR

Figure 1 can be readily employed and with the minimum of disruption. NOx Monitoring equipment must be simple, robust and reliable -but may still fail at a crucial moment. All NOx measurements are sub- ject to variation. Engines should be designed to have an adequate margin below the relevant NOx emission limit. The variability allowance must be included within the Monitoring option. 22nd CIMAC Congress in Denmark

The 22nd CIMAC International Congress on

Combustion Engines will be held this year in

Copenhagen, Denmark from May 18-21. Three panel discussions will highlight the four major themes: The user's view of the requirements for diesel engine manufacturers, engine systems, emissions and the environmental challenge and

Figure 2

VIKING SOFTLOOP

FENDER

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Ideal for tractor tugs bow, stern and side fenders 1 Side hip fenders for tug and barge units

Pier cell fenders a division of Viking Marine Products, Inc. 1160 State Street • Perth Amboy, NJ 08861 USA 732-826-4552 • Fax 732-826-5533 http://www.vikingfender.com

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Smith

The leader in deck hardware for 60 years

QUALITY

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Management Center that can provide both training & handle real incidents." implementation feature

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April, 1998

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SHIP ANALYTICS