CN102795315B - 水道捯水滨海战斗舰 - Google Patents
水道捯水滨海战斗舰 Download PDFInfo
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- CN102795315B CN102795315B CN201210308656.0A CN201210308656A CN102795315B CN 102795315 B CN102795315 B CN 102795315B CN 201210308656 A CN201210308656 A CN 201210308656A CN 102795315 B CN102795315 B CN 102795315B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
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- 230000035807 sensation Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
- B63B1/40—Other means for varying the inherent hydrodynamic characteristics of hulls by diminishing wave resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
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- Fluid Mechanics (AREA)
- Farming Of Fish And Shellfish (AREA)
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Abstract
本发明提供一种水道捯水滨海战斗舰,属于军事装备。其包括舰体、中舱、侧舱、底板、进水口、过水道、螺旋桨和出水口,其特征是底舱为长方体,长方体内设置四面封闭的过水道。由过水道内设置的螺旋桨,将水体从进水口通过过水道,捯挪出出水口实现战斗舰前进。本发明的水道捯水滨海战斗舰与现有技术相比:结构简单、顺应流体力学规律、阻力小、速度快、吃水浅、静音好、目标小、活动区域广、适应能力强,因而具有很好的推广应用价值。
Description
一、技术领域:
本发明涉及军事装备,具体的说是一种水道捯水滨海战斗舰。
二、背景技术:
依靠安装于船体后下方的螺旋桨拨水提供动力,是现有技术下实现舰船移动的基本动力方式。这种动力方式存在以下明显的不足和缺陷:理论上讲,舰船的前进等于螺旋桨的推力减船体的阻力。实践中则包函了更多的复杂因素,第一,螺旋桨的拨水过程,在旋转的螺旋桨前方会造成大角度锥形递增的负压区,在后方则造成小角度锥形递减的正压射流区,射流区内水体的递减式高速流动,相对于周边水体,同样形成负压区。这种负压区的存在,使螺旋桨在产生强大正向推进力的同时,需要克服水体阻力,虽然船体的吃水部分进行了高度流线型设计,最大限度的分解和削减了这种阻力,但仍需向前和向左右两侧排挤等量水体。这个过程使船体前相和左右相水面升高,形成高于周边水面的水坝,后向则形成低于周边水面的水流,同样增加了船体移动的正向阻力和反向拉力。鉴于以上原因,美国生产出了“前三角”型即中舱靠前,两侧舱靠后的三舱式滨海战斗舰。这种模式在减阻、增速、节能、降低吃水和增强灵活性方面均取得显著成果。底舱一分为三,前三角排列,一方面通过缩小的底舱缩减了排挤水的距离,减少了前进的阻力,另一方面由舱间过水道及下方水体填补船体后方真空区,减少反向拉力。但是这种改进并没有改变现有技术下舰船移动的基本动力模式。仅仅是缩短了排水距离,分解和降低了正向阻力和反向拉力。
三、发明内容:
本发明的目的是针对以上的问题和不足,提供一种从本质上改变舰船动力模式的水道捯水滨海战斗舰。
本发明的目的是通过以下技术方案实现的:
一种水道捯水滨海战斗舰,其包括舰体、中舱、侧舱、底板、进水口、过水道、螺旋桨和出水口,其特征是由舰体和底板与平行排列的两侧舱组成两端开放、四周封闭的、长方体的底舱,两侧舱为外平内凸、两端为锐角的中空体,中舱为长径小于两侧底舱及底板长度的流线造型中空体,两侧舱与中舱的中段膨凸形成正圆形过水道,过水道中部设置螺旋桨,进水口与出水口均为上沿低于吃水线,与矩形底舱端等宽的长方形。
在其进水口设置滤过、清除固体漂浮物的箅栅。
本发明的水道捯水滨海战斗舰与现有技术相比,具有以下显著的优点:
1、舰船的移动动力依靠设置于四周封闭的过水道内的螺旋桨,通过进水口、过水道和出水口将船舱前方水体等量捯挪于船舱后方。形成前方的低压空间和后方的高压空间拉推力实现。消除了现有技术下舰船前方的水墙阻力和螺旋桨浆后置开放运作所形成的负压后拉损耗,使螺旋桨捯排水量与舰船移位速度更接近1∶1,产生阻力更小,能效更高,速度更快的效果。
2、后置开放螺旋桨模式舰船转向的旋动力中心是舵或螺旋桨。转弯半径大,效率低,离心力大,稳定性差,水道捯水模式舰船转向的旋动力中心是舰船的重力中心。转弯半径小或原地旋转,效率高,离心力小,稳定性高,更灵活,更节能。
3、水道捯水滨海战斗舰的船舱为矩形平底,浮力区域大,摇摆倾斜角度小,吃水浅,稳定性高,适应活动范围更广。
4、与船舱等宽的矩形进水口和出水口设计、水流在密封腔内捯挪,前方无挤排形成侧痕,后方无明显尾痕,静音效果好,视觉目标小。
因而,本发明的水道捯水滨海战斗舰具有很好的应用价值。
四、附图说明:
下面结合附图实施例对本发明进一步说明:
附图1为水道捯水滨海战斗舰的侧视平面示意图。
附图2为水道捯水滨海战斗舰的底舱水平剖面示意图。
附图3为水道捯水滨海战斗舰的横向剖面示意图。
图中:1舰体、2中舱、3侧舱、4底板、5进水口、6过水道、7螺旋桨8出水口、9水面。
五、具体实施例:
如图所示:水道捯水滨海战斗舰由舰体1的下部,底板4和平行排列的两侧舱3组成长方体底舱。两侧舱3为外平内凸、两端为锐角的中空结构。中舱2为长度小于底板4的流线形中空体。中舱2与侧舱3之间的空隙为过水道6。过水道6中部设置螺旋桨7,长方体底舱的两端分别为矩形的进水口5和出水口8。进水口5和出水口8的下边为底板4,侧边为两侧舱3的锐角尖部,上边为舰体1下部。进水口5和出水口8的上边低于水面9。
本发明的水道捯水滨海战斗舰结构简单,顺应流体力学规律,阻力小,速度快,吃水浅,转向灵活,静音好,目标小,活动区域广,适应能力强,因而具有很好的推广应用价值。
除说明书所述的技术特征外,均为本专业技术人员的已知技术。
Claims (2)
1.一种水道捯水滨海战斗舰,其包括舰体(1)、中舱(2)、侧舱(3)、底板(4)、进水口(5)、过水道(6)、螺旋桨(7)和出水口(8),其特征是由舰体(1)的下部、底板(4)与平行排列的两侧舱(3)组成两端开放、四周封闭的长方体、作为战斗舰底舱,两侧舱(3)为外平内凸、两端为锐角的中空结构,中舱(2)为长度小于底板(4)的流线型中空体,中舱(2)与侧舱(3)之间的空隙为过水道(6),过水道(6)中部设置螺旋桨(7),长方体底舱的两端为长方形的进水口(5)和出水口(8),进水口(5)和出水口(8)的下边为底板(4),侧边为两侧舱(3)的锐角尖部,上边为舰体(1)下部,进水口(5)和出水口(8)的上边均低于吃水线。
2.根据权利要求1所述的水道捯水滨海战斗舰,其特征是进水口(5)设置滤过、清除固体漂浮物的箅栅。
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US8991326B2 (en) * | 2013-01-15 | 2015-03-31 | Robert Carl Jansen | Displacement hull form not subject to the limitation of hull speed |
CN104176216A (zh) * | 2014-09-01 | 2014-12-03 | 董兰田 | 封闭底舱过水道推进潜艇 |
CN105711788A (zh) * | 2015-07-06 | 2016-06-29 | 涂建勇 | 在舰、船底部导流结构中安装一排螺旋桨 |
CN105292419A (zh) * | 2015-07-06 | 2016-02-03 | 涂建勇 | 舰、船底部外排式导流结构 |
CN105711787A (zh) * | 2015-07-06 | 2016-06-29 | 涂建勇 | 在舰、船底部外排式导流结构中安装一排螺旋桨 |
CN105292376A (zh) * | 2015-07-06 | 2016-02-03 | 涂建勇 | 舰、船底部导流结构 |
CN105564646A (zh) * | 2016-03-06 | 2016-05-11 | 陈俞任 | 改进的飞船 |
CN106585937A (zh) * | 2016-10-20 | 2017-04-26 | 董兰田 | 并列底舱水气混合扩容增压喷射动力推进舰船 |
Citations (2)
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GB420621A (en) * | 1933-10-11 | 1934-12-05 | Oscar Percy Moller | Improvements in or relating to the construction of water-borne vessels and the propulsion thereof |
CN2429433Y (zh) * | 1998-07-11 | 2001-05-09 | 白鄯村 | 减少船舶航行兴波阻力的装置 |
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BG335Y1 (bg) * | 1994-09-26 | 1999-08-31 | Kesjakov, Doncho P. | Плавателен съд |
AUPO521597A0 (en) * | 1997-02-19 | 1997-04-11 | John Young Developments Pty. Ltd. | Boat hulls |
CN2350310Y (zh) * | 1998-05-22 | 1999-11-24 | 郑石安 | 设有通水管道的增速船舶 |
CN201148192Y (zh) * | 2007-12-25 | 2008-11-12 | 张恒敬 | 多体无浪动力艇 |
CN202743435U (zh) * | 2012-08-28 | 2013-02-20 | 董兰田 | 水道捯水滨海战斗舰 |
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Publication number | Priority date | Publication date | Assignee | Title |
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GB420621A (en) * | 1933-10-11 | 1934-12-05 | Oscar Percy Moller | Improvements in or relating to the construction of water-borne vessels and the propulsion thereof |
CN2429433Y (zh) * | 1998-07-11 | 2001-05-09 | 白鄯村 | 减少船舶航行兴波阻力的装置 |
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