Page 70: of Maritime Reporter Magazine (May 2016)

PROPULSION UPDATES

Repower Brings Ferry into IMO Tier III Compliance

Norwegian ferry Bastø Fosen I is the ? rst vessel Additionally, this option minimizes operating expens- commissioned with a globally certi? ed International es, as urea based systems can add 5-8 percent of fuel

Maritime Organization (IMO) Tier III compliant ma- expenses, while also maximizing engine ef? ciency rine engine that does not need urea based after treat- and load response with a ramp up from idle to full load ment. of about 15 seconds.

The refurbished and repowered Bastø Fosen I was The Norway stationed Bastø Fosen I ferry is com- equipped with GE’s Marine Solutions 16V250MDC, missioned to cross the Oslo fjord, operating the a 16 cylinder 250 mm bore marine diesel engine that 30-minute route between Horten and Moss. The route is certi? ed to meet both IMO Tier III and EPA Tier 4 currently uses three ferries, carrying 2.5 million peo- emission standards, reducing key emissions by more ple annually. The Bastø Fosen II ferry will make the than 70 percent. trek to Fiskerstrand Verft AS in the fall for refurbish-

GE said choosing a medium speed engine with EGR ing and installation of its own IMO Tier III compliant technology over urea based systems saves engine GE diesel engine. Bastø Fosen has also ordered six, room space by eliminating the need for a separate SCR 8L250MDC, IMO III compliant eight-cylinder in-line system and urea storage tanks, preserving space for engines for three new ferries currently under construc- cargo, accommodation and fuel, water and oil tanks. tion, which launch later in 2016.

Image: GE

Thordon Bearings

Proof in the Numbers

Thordon Bearings developed a bespoke mod- elling tool capable of calculating the amount of operational oil prevented from leaking into the world’s oceans with each installation of a seawa-

Image: KBB ter-lubricated propeller shaft bearing. Launched

April 22 to coincide with Earth Day 2016, the Oil

Image: Northern Lights

Savings Calculator shows that more than 60 mil-

KBB Turbocharging Solutions lion liters of oil pollution has been saved to date.

“In our opinion the only acceptable propeller ‘Knowledge to Boost’ (K2B) two-stage turbo- shaft stern tube oil leakage is zero.” said Terry charging system.

McGowan, President & CEO Thordon Bearings. “Thanks to those vessels that have already in-

Genset Controls

KBB, at the forefront of turbocharger technology stalled seawater-lubricated propeller shaft bear-

Northern Lights introduced the Tough Series and R&D, has noted the marine trend of focusing ings, over 60 million liters (almost 16 million

Control Panel (TSC) to provide control to Northern more on ef? ciency and emissions reduction versus

U.S gallons) of stern tube oil has been saved from

Lights generator set functions. Featuring a back-lit outright power production, responding by continual- entering our oceans, seas, lakes and rivers. The

LCD display screen and large, easy-to-read push ly developing several projects, such as single-stage

Oil Saving Calculator is updated constantly and buttons, TSC is versatile enough to permit remote high-pressure turbocharging, two-stage turbocharg- will continue to track our contribution to remov- monitoring and control connection through a single ing as well as various exhaust-gas recirculation ing stern tube oil from our waters with the greater data and power cable, up to 30 meters in length, the (EGR) concepts.

goal of completely eliminating this source of pol- manufacturer said. Available RS485 and J1939 pro-

The KBB ST27 – series achieves pressure ratios lution.” The oil saving calculation is based on de- tocols can be connected to a remote monitoring sys- of up to 5.5:1, and while cost and simplicity are tailed statistical analysis of the number of vessels tem. The TSC is factory programmed with voltage keywords that de? ne the technology of single stage that have been built with or converted to seawater and current monitoring for single and three-phase turbocharging, higher charging pressures are key to lubrication, the 300 days a year each vessel is typi- applications. Pressure and temperature warnings meeting both performance and emissions reduction cally operational and an average oil leak of 6 liters and shutdowns are standard to help protect genera- criteria on current engines. This is particularly rel- per day per vessel. Independent research carried tor sets. Warnings and shutdowns for frequency and evant for dual fuel engines, and diesel engines ? tted out by New York-based Environmental Research voltage protect electrical equipment. Sound enclo- with exhaust-gas after-treatment or EGR, which can

Consulting indicated in 2014 that the total amount sure mounting is available for a quiet and stream- help to comply with IMO Tier III regulations.

of operational oil discharges from ocean-going lined engine room.

Two years ago KBB saw the launch of a series vessels could be more than 240 million liters annu-

The Tough Series Controller is available on a of engines with its ‘Knowledge to Boost’ (K2B) ally. To add perspective, the oil pollution from the wide range of Northern Lights generator sets, both two-stage turbocharging system. With intermediate

Exxon Valdez casualty of 1989 was 41.6 million marine and land-based. The Northern Lights fam- cooling they provide the possibility of turbocharg- liters. Shipowners can monitor the positive impact ily of marine generator sets includes products from ing diesel, heavy fuel oil and gas engines with an the seawater-lubricated propeller shaft bearing is 5-545kW. Northern Lights Commercial series gen- engine output up to 5 MW. Pressure ratios of 10:1 having on the marine environment by checking the erator sets include products from 20-150kW.

may be possible when combining both LP and HP

Oil Saving Calculator counter at turbocharging.

www.thordonbearings.com www.northern-lights.com www.kbb-turbo.de 70 Maritime Reporter & Engineering News • MAY 2016

MR #5 (66-73).indd 70 5/2/2016 11:34:50 AM