Table Comparing Russian, German, French & Japanese Submarine Diesels

Since Submarine Matters' Submarine Propulsion Table - 1st Attempt Anonymous has made major progress in researching Russia’s submarine diesel information. Anonymous has put together the following Table which compares submarine diesels designed and produced by Russia, Germany, France and Japan and identifying the main companies involved.

The Russian informations is based on Russia’s Ural Diesel-Engine Plant company (UDMZ) data. Here is general information on UDMZ and more specific information, about its DM-185 diesel at [A] below. In Russian it is at http://souztrade.ru/dizelnye-dvigateli-dm-185/.

Anonymous has also located a large amount of information on Russian (LIB-AIP, surface ship/marine and non-marine) diesels which will be published on Submarine Matters over the next two weeks. 

Table 1 Specifications of modern submarine diesels (as at March 15, 2018).

Submarine Producing Country		Russia		Germany		France		Japan
Diesel Make		UDMZ [A]		MTU		MAN Diesel &            Turbo		KAWASAKI
Type Designation		L6DM-185 [A]	V12DM-185 [A]	16V396SE84	12V4000U83	8PA4V200SM	12PAV200SMDS	12V25/25SB	12V25/31S
No. of cylinders		6	12	16	12	6	12	12	12
Bore	mm	185	185	165	170	200	200	250	250
Stroke	mm	215	215	185	190	210	210	250	310
Piston speed [1]	m/s	13.6	13.6	11.1	11.4	9.1	9.1	10.0	12.4
Rated speed [2]	rpm	1900	1900	1800	1800	1300	1300	1200	1200
Mechanical output [3]	kW	750	1500	1200	1300	700	1330	2500	3100
Cylinder capacity [4]	l	5.76	5.76	3.95	4.31	6.59	6.59	12.2	15.2
Mechanical output per unit capacity [5]	kW/l	21.6	21.6	18.9	25.1	13.2	16.8	16.9	16.9
Electrical output [6]	kW	600	1200	960	1040	560	1064	2000	2480
Electrical output at snorting [7]	kW	540	1080	864	936	504	957	1800	2232

  

FOOTNOTES

[1] Piston speed = Stroke x Rated speed / 30000

[2] Based on product catalog or data from this blog.

[3] Mechanical outputs of L6/ V12/ V16/ V20 DM-185 are 750-1400 / 1500-2400 / 2600-3750 / 3200-4000 kW. As bigger exhaust resistance in diesel for submarine result in lower output, 750 and 1500kW are expected to be mechanical outputs of L6 and V12 DM-185s, respectively.

Others are based on product catalog or data from this blog.

[4] Cylinder capacity = (Bore/2)^2 x Stroke x 3.14 / 1000

[5] Mechanical output per unit capacity = Mechanical output / (Cylinder capacity x No. of cylinder)

[6] Electrical output = Mechanical output x 0.8 (= power factor)

[7] Electrical output at snorting = Electrical output x 0.9 (= assumed figure based on [8]).

[8] SUBMARINE POWER AND PROPULSION: BALANCING THE ENERGY ELEMENTS, January 2012, page2 John Buckingham.

[A] According to Russia’s Ural Diesel-Engine Plant company (UDMZ)

The DM-185 series are multipurpose diesels. UDMZ regards forgein manuacturers, especially MTU, as competitors. Anonymous believes that DM-185s are going to be the standard diesel of Russian submarines.

From http://expert.ru/ural/2016/30/na-otechestvennom-hodu/ :

“The Ural manufacturer of diesel engines hopes to squeeze out the market leaders and, possibly, to create a new brand with them in partnership”

“July 12 [2012?] at the Ural Diesel-Motor Plant (UDMZ, group of JSC "Sinara - Transport cars") opened a production complex for the production of diesel engines of a new generation - DM-185. The product was developed by a team of specialists from the Bauman Moscow State Technical University, the Ural Federal University, the German engineering company FEV and the design bureau of the Ural Turbine Plant (UDMZ was established in 2003 when the diesel engine complex of OJSC Turbomotor Plant was divided into JSC Sinara Transport Vehicles is included since 2010)."

From http://souztrade.ru/dizelnye-dvigateli-dm-185/ the specifications of DM-185s are as follows:

• Engine type: L6 / V12 / V16 / V20

• Rated power: 750-1400 / 1500-2400 / 2600-3750 / 3200-4000 kW

• The diameter of the cylinder: 185 mm

• Piston stroke: 215 mm

• Cylinder power: up to 240 kW

• Cylinder capacity: 5.776 liters

• Piston speed: 13.6 m /s

• Rated speed: 1500, 1800, 1900 rpm

• Common Rail fuel equipment and the possibility of installing individual fuel injection pumps

• Specific fuel consumption: not more than 200 g / (kWh)

• Specific oil consumption: not more than 0.4 g / (kWh)

• Emissions of harmful substances: EU IIIA; IMO2 (+); Tier 3

• NOx emissions: no more than 7.2; 8.4; 6.4 g / kW * h

• Emissions of particulate matter: not more than 0.2 g / kW * h

• Warranty period: 1-3 years

• Service life: 25-30 years

COMMENT

The latest diesel common rail fuel injection system, not yet fully tested, is intended for the Russian UDMZ DM-185 and the German MTU 12V4000 U83E.

The output of DM-185 is not bad, but an evaluation of its level of vibration has not been released. If DM-185 shows good anti-vibration performance, it will be a very strong competitor against German or French diesels.

[Pete Comment - As indicated on the Table, Japanese Kawasaki diesels have, by far, the highest mechanical and electrical outputs. An arrangement of four of these Kawasaki diesels would be more suitable for Australia's Future Submarine (SEA 1000) than a problematic six to eight lower powered MTU or MAN diesels.]

Russia's UDMZ multipurpose (including submarine) DM-185 diesel engine. (Photo courtesy International Trading House WTH Souztrade at http://souztrade.ru/dizelnye-dvigateli-dm-185/)

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Anonymous