EP1841643A1 - U-boot mit unterwasser-abgasausleitung bei schnorchelfahrt - Google Patents
U-boot mit unterwasser-abgasausleitung bei schnorchelfahrtInfo
- Publication number
- EP1841643A1 EP1841643A1 EP05754560A EP05754560A EP1841643A1 EP 1841643 A1 EP1841643 A1 EP 1841643A1 EP 05754560 A EP05754560 A EP 05754560A EP 05754560 A EP05754560 A EP 05754560A EP 1841643 A1 EP1841643 A1 EP 1841643A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- submarine
- water
- negative pressure
- mixing device
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/08—Propulsion
- B63G8/12—Propulsion using internal-combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
- B63H20/24—Arrangements, apparatus and methods for handling exhaust gas in outboard drives, e.g. exhaust gas outlets
- B63H20/245—Exhaust gas outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/32—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
- B63G13/02—Camouflage
- B63G2013/022—Camouflage using means for reducing noise emission into air or water
Definitions
- the exhaust gas outlet takes place uncontrolled and unregulated by free cross sections in the jacket tube of the formed exhaust gas snorkel mast head.
- the disadvantage here is the large volume of the exhaust gas snorkel mast with a correspondingly high water resistance.
- the mixing of exhaust gas and water is not so fine that exhaust gas bubbles can not rise to the surface of the water, where they form an exhaust veil that can betray the submarine.
- a certain exhaust gas outlet resistance is to be overcome from the supercharged diesel.
- the solution of the problem arises from the claim 1.
- the required for the solution Unterbucherzeu- gungs- and mixing device is known from the non-prepublished European patent application "vacuum mixing device for marine exhaust" (file reference: EP 05100461.2) in their details.
- the operation of the vacuum generating and mixing device in conjunction with the submarine drive system and the submarine automation system is particularly automated.
- the integration of the vacuum generating and mixing device in the general submarine driving and automation sys- tem significantly increases the safety of operating the submarine charging diesel with underwater exhaust gas discharge. Independent operation is possible, eg. if first the water flow regulated by the pump or a branch flow from the cooling system of the charging diesel is set to maximum strength and only then the admixture of the exhaust gas takes place, but in the event of malfunctions, an operating state can occur which compromises the safety of the submarine impaired.
- the integration makes better performance optimization of the charging diesel possible.
- the startup of the vacuum generating and mixing device takes place in cooperation with the turbocharger control and regulation in a start-up sequence and, correspondingly, the stopping and stopping in a departure sequence.
- the starting of the vacuum generating and mixing device takes place only after a purging of the water in the device, wherein preferably the purging is carried out by compressed air.
- the purging is carried out by compressed air.
- the negative pressure in the negative pressure generating and mixing device is set via a desired value, which is determined from the depth of the exhaust gas outlet opening under water and in particular takes into account the desired charging capacity.
- a desired value which is determined from the depth of the exhaust gas outlet opening under water and in particular takes into account the desired charging capacity.
- a superimposed pressure control advantageously by means of a PID controller and a lower-level control loop for the position of a water supply valve or a speed control for the water pump , which sets and holds negative pressure.
- a device for the controlled and regulated operation of a negative pressure generating and mixing device for the exhaust gases, which connects to the submarine propulsion system and in particular to the submarine Automation system, here eg. to the part for the control and regulation of the supercharger.
- the device for the controlled and regulated operation of a vacuum generating and mixing device has in particular a superimposed control loop for regulating the negative pressure and a subordinate control loop for controlling the pump speed or a valve in the motive water flow.
- the requirements for the control of the individual components can be advantageously taken into account, in particular if the control comprises a PID controller which outputs the required control variables very quickly.
- the device has a computing device for determining the outlet pressure of the gas-water mixture formed and / or the negative pressure in the negative pressure generating and mixing device.
- This arithmetic unit which is parameterized with the data of the vacuum generating and mixing device, can very advantageously be used to continuously calculate the internal and the outlet pressure of the gas-water mixture formed.
- a safe control of the vacuum generating and mixing device is possible, which safely takes into account both the operation of the exhaust gas turbocharger and adjusts the required backpressure and prevents an in-flow of the ambient water into the device during operation.
- a controllable motive water pump or a control valve for the motive water, or a Querterrorismsadaptierbare nozzle is provided for the control. In all cases, there is the possibility to control the negative pressure safely and to regulate that a risk of the charging diesel is excluded.
- the submarine has a compressed air device for the amount of free-blowing air of the device.
- a compressed air device for the amount of free-blowing air of the device.
- both an independent compressed air unit and a unit can be provided which brings the exhaust gases or sucked through the snorkel air to the required Ausblastik. This is then supplied with the appropriate compressor energy.
- the submarine has a pressure sensor for the water pressure and advantageously a pressure sensor for the exhaust gas pressure before the vacuum generating and mixing device.
- the water pressure in a submarine is usually determined continuously by sensors, but here it is particularly advantageous if a special, separate pressure sensor for the water pressure at or in the vicinity of the vacuum generating and mixing device is present. Together with a pressure sensor for the exhaust pressure before the device is then reliably the differential pressure that must be achieved by the device.
- the submarine according to the invention has an arithmetic unit for the sequence of a starting sequence and for a shutdown sequence of the sub-assembly generating and mixing device. This ensures safe startup and shutdown operation.
- the required adjustment variables can be set particularly quickly, since such a computing device can respond faster than the operating team. This is particularly important when a rapid submergence of the submarine below the snorkel depth is required. It is provided that the computing device is designed to be connected to the general submarine automation device and submarine drive system. Thus, the required, depending on the respective boat maneuver, function of the vacuum generating and mixing device is ensured.
- the arithmetic unit is connected to the submarine state visualization, in particular to an operating and monitoring station in the context of submarine automation. This results in a simple and rapid monitoring of the function of the vacuum generating and mixing device for the crew at all times, wherein advantageously an existing screen can be used which is not otherwise required.
- a vacuum generating and mixing device is not only advantageous to use in submarines.
- the use in surface vessels with underwater exhaust gas discharge from energy production facilities, in particular diesel generator sets or gas turbine generator sets, is of considerable advantage if the exhaust gases are to be ejected well below the waterline. In this case, a water depth of 4 to 6 m can be reached for the Abgasaustechnisch, so that a location of the exhaust gases, which are also still further agitated in the wake of the surface vessel, is practically impossible.
- the vacuum generating and mixing device is advantageously arranged in the outer shell of the underwater hull on the aft or aft nave.
- the arrangement of the vacuum generating and mixing device at the foot of the tower or behind the tower is particularly advantageous.
- the exhaust system need not be changed. Nevertheless, all advantages are achieved.
- the use of the vacuum generating and mixing device in conjunction with a deeply submerged waterjet is particularly advantageous, since the energy generating device for a deeply submerged waterjet in the
- FIGURE 1 is a schematic sectional view through the device according to the invention.
- FIG. 2 shows a control scheme of the device according to the invention
- FIGURE 3 is a block diagram for the startup and shutdown and
- FIGURE 4 is an exemplary schematic representation of a large, sea-going ship, eg. a frigate, with distributed devices according to the invention.
- Fig. 1 denotes the housing tube of the device, which is also the introduction tube for the mixing and pressurizing (driving) water.
- 2 designates the exhaust pipe and 3 the invention essential, advantageous central displacement body for exhaust gas with a Abströmkegel for the formed mixture with diffuser effect.
- the negative pressure area according to the invention forms on the outside of the expansion 4.
- the water supplied to the mixing and vacuum generating device is symbolized by the arrows 7 and the exhaust gas by the arrow 8.
- the gas-water mixture formed is symbolized by the double arrow 9.
- 10 denotes the Gemischausströmrohr.
- the guide elements 5 and 6 advantageously produce an opposite twist.
- FIGURE 1 Quite essential for the advantageous function of the mixing and vacuum generating device are the geometric relationships, d. H. the pipe diameter and pipe section lengths in the facility. For this reason, the individual lengths and the main diameter are entered in FIGURE 1.
- the dimensions in FIGURE 1 have the ratios:
- the ratios listed in the table are calculated for an exhaust pipe of 250 mm diameter, into which the exhaust gases of a typical, supercharged diesel engine with a capacity of 1300 KW are introduced.
- the exhaust gas inlet temperature into the device is 90 degrees C according to its inventively provided cooling.
- 11 designates the vacuum generating and mixing device according to the invention in abstracted form, while the remaining components of the control scheme are shown in the form customary in electrical engineering.
- 12 designates the seawater inlet and 13 the controllable pump, if necessary.
- a control valve or a throttle valve 14 is connected downstream.
- This control valve 14 may also be omitted if the dynamics of the pump 13 is so high that a fast dynamic control, z. B. to compensate for the troughs and wave crests at high swells, is guaranteed.
- 16 and 17 denote a PID and a PI controller for the pressure control and the position control of the pump 13 or the valve 14.
- 18 denotes the magnitude (calculation amount) of the negative pressure and 19 the amount of the negative pressure generation water.
- the individual quantities and input values are linked to one another in the usual way in terms of the control technology, the control scheme being only an advantageous embodiment.
- 20 denotes the control unit of the two usually present in a submarine charging diesel 21, and 22, the valves for the exhaust stream of the supercharged diesel.
- FIGURE 3 which shows a block diagram for starting and stopping the vacuum generating and mixing device
- the tasks that each block has to fulfill are entered in the individual blocks.
- the startup procedure is preceded by a preparation sequence 30 for the charging diesel.
- block 31 shows, the pump is started. Subsequently, the exhaust pipe is blown out with
- Compressed air wherein the compressed air can also be generated, as stated in 32, by sucked through the snorkel air or by exhaust gas compression.
- blowing out with compressed air is a blow-out with compressed air from a compressed air reservoir, followed by blowing out, according to 33 the start of the respective diesel engine, which is followed by the usual start-up of the diesel engine symbolized by 34.
- the departure process begins with a symbolized sequence of the stop of the diesel engine, which is performed by the work of the block 36. Subsequently, as indicated in FIG. 37, the exhaust gas line is advantageously blown out or rinsed. As can be seen from FIG. 38, the pump is then switched off and continued in the sequence of the stop diesel engine, symbolized by 39.
- a proper flawless function of the vacuum generating and mixing device is ensured in connection and compliance with the needs for operation and for the shutdown of the supercharged diesel.
- FIGURE 4 showing a side view of a modern frigate with power generators distributed throughout the ship
- 40 denotes an exhaust gas outlet according to the invention in the fore ship
- 41 an exhaust gas outlet according to the invention in the central nave, which works in conjunction with a water jet 44 and an internal combustion engine generator set 43
- 42 an exhaust gas outlet device according to the invention in the stern.
- each in the ship e.g. the frigate shown as an example, but of course also a corvette or a speedboat, arranged energy generating device to be equipped with a vacuum generating and Abgasmisch réelle invention.
- the frigate shown in FIGURE 4 has as drive a e- lectrical rudder propeller 45, of course, as a drive and a propeller is possible, which is permanently mounted in the stern of the ship.
- This can be either a diesel direct drive or an electric motor driven propeller drive.
- the devices 40, 41 or 42 according to the invention are then connected in parallel, since it is sensible for economic reasons to limit themselves to a uniform size of the device according to the invention.
- the device according to the invention its control options are designed accordingly, can then be driven accordingly parameterized and optimized. Only in very small facilities, eg. for internal combustion engines below a few 100 KW, or for diesel reformers, a correspondingly smaller device will have to be used. However, a reduction of the device is possible without fluidic changes.
- the method and the device can always be used if a power increase of a diesel engine is desired.
- the performance of all diesel engines is counter pressure dependent and by the invention, the back pressure - even below atmospheric pressure - can be significantly reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05754560A EP1841643B1 (de) | 2005-01-25 | 2005-06-13 | U-boot mit unterwasser-abgasausleitung bei schnorchelfahrt |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05100461A EP1582456B1 (de) | 2004-03-29 | 2005-01-25 | Unterdruck-Mischeinrichtung für Schiffsabgase |
DE102005007484A DE102005007484A1 (de) | 2005-01-25 | 2005-02-17 | U-Boot mit Unterwasser-Abgasausleitung bei Schnorchelfahrt |
EP05754560A EP1841643B1 (de) | 2005-01-25 | 2005-06-13 | U-boot mit unterwasser-abgasausleitung bei schnorchelfahrt |
PCT/EP2005/052707 WO2006079421A1 (de) | 2005-01-25 | 2005-06-13 | U-boot mit unterwasser-abgasausleitung bei schnorchelfahrt |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1841643A1 true EP1841643A1 (de) | 2007-10-10 |
EP1841643B1 EP1841643B1 (de) | 2008-12-17 |
Family
ID=34979998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05754560A Not-in-force EP1841643B1 (de) | 2005-01-25 | 2005-06-13 | U-boot mit unterwasser-abgasausleitung bei schnorchelfahrt |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1841643B1 (de) |
KR (1) | KR101002825B1 (de) |
AT (1) | ATE417784T1 (de) |
DE (1) | DE502005006298D1 (de) |
ES (1) | ES2317255T3 (de) |
WO (1) | WO2006079421A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100852546B1 (ko) | 2007-01-29 | 2008-08-18 | 대우조선해양 주식회사 | 오일압력을 이용한 잠수함용 디젤기관의 폐기밸브자동제어구조 |
DE102009040379B3 (de) | 2009-09-07 | 2011-07-28 | Howaldtswerke-Deutsche Werft GmbH, 24143 | Unterseeboot mit einem Verdichter |
KR101313163B1 (ko) * | 2011-06-29 | 2013-09-30 | 삼성중공업 주식회사 | 잠수함식 원유제거선 |
DE102017202911A1 (de) * | 2017-02-23 | 2018-08-23 | Thyssenkrupp Ag | Reformerüberwachung an Bord eines Unterseeboots |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60157994A (ja) * | 1984-01-27 | 1985-08-19 | Kawasaki Heavy Ind Ltd | 水ジエツト推進式ボ−ドの排気装置 |
FR2768393B1 (fr) * | 1997-09-16 | 1999-10-15 | Daniel Louis Chaplain | Amelioration de la discretion de la marche au schnorchel des sous-marins conventionnels |
DE10061487C1 (de) | 2000-12-09 | 2002-03-21 | Howaldtswerke Deutsche Werft | Verfahren zum signaturfreien Ausbringen von Abgas aus Unterwasserfahrzeugen |
DE10314057B3 (de) | 2003-03-28 | 2004-05-19 | Gabler Maschinenbau Gmbh | Schnorchelvorrichtung für ein U-Boot |
US20040200399A1 (en) * | 2003-04-11 | 2004-10-14 | Moustafa Abdel-Maksoud | Method and apparatus for enhancing the internal combustion engine performance for submarines in snorkel running |
DE10318293B4 (de) * | 2003-04-11 | 2015-03-12 | Siemens Aktiengesellschaft | Abgas-Ausleitungseinrichtung eines U-Boots zur Erhöhung der Leistung seiner Verbrennungskraftmaschinen in Schnorchelfahrt |
KR100558907B1 (ko) | 2005-02-17 | 2006-03-10 | 대우조선해양 주식회사 | 수중항해중의 배기배출구조를 갖는 잠수함 |
-
2005
- 2005-06-13 ES ES05754560T patent/ES2317255T3/es active Active
- 2005-06-13 WO PCT/EP2005/052707 patent/WO2006079421A1/de active Application Filing
- 2005-06-13 EP EP05754560A patent/EP1841643B1/de not_active Not-in-force
- 2005-06-13 AT AT05754560T patent/ATE417784T1/de not_active IP Right Cessation
- 2005-06-13 KR KR1020077018393A patent/KR101002825B1/ko not_active IP Right Cessation
- 2005-06-13 DE DE502005006298T patent/DE502005006298D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006079421A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20070093451A (ko) | 2007-09-18 |
ATE417784T1 (de) | 2009-01-15 |
EP1841643B1 (de) | 2008-12-17 |
WO2006079421A1 (de) | 2006-08-03 |
KR101002825B1 (ko) | 2010-12-21 |
DE502005006298D1 (de) | 2009-01-29 |
ES2317255T3 (es) | 2009-04-16 |
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