Propulsion – Page 15
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NewsAmmonia combustion without ignition improver demonstrated on single cylinder test engine
Mads Carsten Jespersen and a team of researchers from Technical University of Denmark (DTU) presented research into widening the operating limits of a spark-ignited engine operating on pure ammonia and confirmed that combustion of 100% ammonia, pre-mixed with air but without an ignition improver is feasible.
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![man6l49_60df_engine[9000]](https://d3f3h35mrzf979.cloudfront.net/Pictures/100x67/7/1/5/286715_man6l49_60df_engine9000_835486.jpg)
NewsMAN’s 49/60DF engine ushered in a new generation of engine control
MAN Energy Solutions highlighted the development work that went into the 49/60DF engine at CIMAC 2023.
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NewsBrunvoll to supply propulsion for Purus Wind CSOVs
Brunvoll is to supply the propulsion and manoeuvring packages for two new Purus Wind CSOVs with an option for a further two
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NewsHanshin Gas Engine Thermal Efficiency Exceeds Diesel
A team from Hanshin Diesel led by Satoru Higashikawa presented results at CIMAC 2023 demonstrating the thermal efficiency of the company’s low speed 4-stroke gas engine.
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NewsJ-ENG expands China customer support
Japan Engine Corporation (J-ENG) has announced the opening of its first customer support center in China. The office in Shanghai opened on 1 August.
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News1MW Scale SWRI Tests Reveal Positive H2 Results
Researchers from Texas-based Southwest Research Institute studied the effects of introducing hydrogen on a diesel engine that had not been optimised for its use and found no short-term noticeable change in engine operation.
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NewsWärtsilä to supply MeOH-fuelled auxiliaries for CMA CGM newbuildings
Wärtsilä has been awarded an order to supply the methanol-fuelled auxiliary engines for six newbuild container vessels on order for the French shipping company CMA CGM.
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NewsMAN ES adds Hengli Engine to list of 2-stroke licensees
Hengli Engine (Dalian) Co., Ltd., (Hengli Engine), agreed a marine two-stroke manufacturing licence agreement with MAN Energy Solutions on 7 July, and plans to enter the marine engine building market.
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NewsWärtsilä key to Vitol efficiency gains
Wärtsilä energy saving systems installed on board two MR tankers have been shown to improve efficiency by around 6%
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NewsAppliance of data science to new PBST radial turbo
Numerical simulation has played a key role in new PBST turbocharger designs
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NewsNew fuel adaptions to turbochargers will include layout and material changes
At CIMAC 2023, Raphael Ryser, R&D principal engineer at Accelleron, discussed what changes customers can expect to be made to turbochargers for large engines operating on new fuels.
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NewsWärtsilä targets high injection pressure for methanol
Methanol has already proven to have the potential to become one of the key solutions for the marine industry to reach net carbon neutrality, and Wärtsilä has multiple newbuild and retrofit solutions available already.
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NewsWärtsilä advances testing of new combustion concept
Wärtsilä has put a considerable R&D effort in developing the next generation of its dual-fuel lean burn gas engine, with about 300 hours testing completed.
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![First Damen Air cavity DACS system installation on board of Amisco's MV Danita (2)[6751]](https://d3f3h35mrzf979.cloudfront.net/Pictures/100x67/8/7/8/285878_firstdamenaircavitydacssysteminstallationonboardofamiscosmvdanita26751_774436.jpg)
NewsFirst Damen air lubrication retrofit contract agreed
Estonian-based shipping company Amisco has placed the first commercial order for Damen’s new air lubrication system, DACS. DACS, which was developed by a collaboration between Damen and the Delft University of Technology (TU Delft), will be installed aboard the general cargo vessel Danita in Tallinn, Estonia, the company confirmed.
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NewsMAN ES participating in 4-stroke methanol retrofit research project
MAN Energy Solutions has launched a project to develop retrofit solutions for medium-speed marine engines. The ‘CliNeR-ECo’ project includes partners from industry and research institutes, and will run until the end of 2025. Research association comprising MAN Energy Solutions, WTZ Roßlau gGmbH and TU Darmstadt start ‘CliNeR-ECo’ project.
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NewsMAN 175Ds for Svitzer tugs
UZMAR Shipyards in Turkey has placed an order for 4 × 12V175D-MM IMO Tier II engines, each rated at 2,400 kW @ 1,800 rpm, for two TRAnsverse tug newbuilds.
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NewsESVAGT chooses Brunvoll propulsion package
Brunvoll has been chosen as the supplier of a complete propulsion and manoeuvring system for a Service Operations Vessel (SOV) designed to operate on green fuel, currently being built for ESVAGT at Cemre Shipyard.
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NewsFirst NH3-fuelled X-DF-A engine to be delivered in Q1 2025
WinGD has stated that it is on track to deliver the first X-DF-A dual fuel engine capable of operating on ammonia by Q1 2025, and expects the first vessel powered by X-DF-A engines to enter service by 2026.
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NewsFirst ME-GA engine with individual cylinder control option completes gas trials
The first low-pressure ME-GA engine to be equipped with a new engine control feature, ‘ME-GA-opti’, has successfully completed LNG gas trials in South Korea, MAN ES has announced.
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NewsGround broken on Saudi engine factory
Makeen, the joint venture formed between HD Korea Shipbuilding & Offshore Engineering Co., Saudi Arabian Industrial Investments (Dussur) and Saudi Arabian Development Co. (SADCO), has broken ground on the construction of a new engine production and service facility in Ras Al-Khair, near Jubail in Saudi Arabia.
