KR880004997A - Method of increasing airspeed by forming air layer on the flooded surface of ship - Google Patents

Method of increasing airspeed by forming air layer on the flooded surface of ship Download PDF

Info

Publication number
KR880004997A
KR880004997A KR1019860008993A KR860008993A KR880004997A KR 880004997 A KR880004997 A KR 880004997A KR 1019860008993 A KR1019860008993 A KR 1019860008993A KR 860008993 A KR860008993 A KR 860008993A KR 880004997 A KR880004997 A KR 880004997A
Authority
KR
South Korea
Prior art keywords
air
ship
septum
air layer
airspeed
Prior art date
Application number
KR1019860008993A
Other languages
Korean (ko)
Other versions
KR890005034B1 (en
Inventor
이재천
Original Assignee
이재천
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이재천 filed Critical 이재천
Priority to KR1019860008993A priority Critical patent/KR890005034B1/en
Publication of KR880004997A publication Critical patent/KR880004997A/en
Application granted granted Critical
Publication of KR890005034B1 publication Critical patent/KR890005034B1/en

Links

Classifications

    • 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
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/38—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

내용 없음No content

Description

선박의 침수표면에 공기층을 형성하여 항행속도를 증가시키는 방법Method of increasing airspeed by forming air layer on the flooded surface of ship

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 선박의 측면도.1 is a side view of a ship according to the present invention.

제2도는 제1도의 A-A´선에 따른 단면도.2 is a cross-sectional view taken along the line A-A 'of FIG.

제3도는 제1도의 선수 부분의 요부사시도.FIG. 3 is a yabushi perspective view of the bow part of FIG. 1. FIG.

제4도는 제1도의 전면도.4 is a front view of FIG.

제5도는 선저에 공기층의 통로가 되는 홈을 만들고 선수쪽 홈의 턱에 공기분사구멍을 설치하여 공기를 후방향으로 분사하도록 한 선박의 측면도.5 is a side view of a ship which makes a groove that serves as a passage of the air layer on the bottom and installs an air injection hole in the jaw of the bow side to inject air backward.

제6도는 제5도의 B-B´선에 따른 단면도.6 is a cross-sectional view taken along the line B-B 'of FIG.

제7도는 제5도의 선수부분중 선저의 요부를 도시한 사시도.FIG. 7 is a perspective view showing main parts of the bottom of the bow portion of FIG. 5; FIG.

제8도는 제5도의 저면도.8 is a bottom view of FIG.

제9도는 본 발명의 장치중에서 선저에 형성된 공기층을 선미 끝단까지 유지하도록 보조평판을 설치한 선박 선미부의 요부사시도.9 is a main part perspective view of the stern part of the ship provided with an auxiliary flat plate to maintain the air layer formed on the bottom of the apparatus of the present invention to the end of the stern.

Claims (5)

선체내에 있는 압축공기 발생기(4)에서 출력된 공기가 공기공급관(5)및 역류방지용 밸브(6)를 통하여 선저에 설치된 다수개의 공기분사구멍(7)에서 분사되도록 하고, 공기분사구멍(7)에서 분사된 공기에 의해서 선저평판의 양측에 부착된 선저 종격막(9)사이에 공기층이 형성되도록 함을 특징으로 하는 선박의 침수표면에 공기층을 형성하여 항행속도를 증가시키는 방법.The air output from the compressed air generator (4) in the hull is injected through the air supply pipe (5) and the check valve (6) through a plurality of air injection holes (7) installed on the bottom, and the air injection hole (7) Air is formed on the submerged surface of the ship characterized in that the air layer is formed between the bottom septum (9) attached to both sides of the bottom plate by the air injected in the air to increase the navigation speed. 제1항에 있어서, 공기분사구멍(7)은 요(凹)홈 형태의 선수부(1)턱에 설치하여 선박이 진행할 때 선저의 물흐름과 공기분사방향이 같도록 함을 특징으로 하는 선박의 침수표면에 공기층을 형성하여 항행속도를 증가시키는 방법.The ship according to claim 1, wherein the air injection hole (7) is installed at the chin of the bow portion (1) of the yaw groove shape so that the water flow of the ship bottom and the air injection direction are the same as the ship proceeds. A method of increasing the airspeed by forming an air layer on the submerged surface. 제2항에 있어서, 선박의 선저에 설치된 여러개의 공기분사구멍(7)은 선체의 종강도를 약화시키지 않도록 횡축을 중심으로 V자형 배열하는 것을 특징으로 하는 선박의 침수표면에 공기층을 형성하여 항행속도를 증가시키는 방법.3. The air jet hole (7) according to claim 2, wherein the air injection holes (7) provided at the bottom of the ship are arranged in a V shape around the horizontal axis so as not to weaken the longitudinal strength of the ship. How to increase speed. 제1항에 있어서, 선저종격막(9)은 선미부(2)쪽으로 이동하던 공기가 확산되어 선측으로 손실되는 것을 막기 위한 수단이나, 여기에서 선저종격막(9) 사이에 형성된 공기층이 파도등에 위해 한쪽으로 몰리는 것을 방지할 목적으로 선저종격막(9) 사이에 하나이상의 선저종격막(9´)을 설치함을 특징으로 하는 선박의 침수 표면에 공기층을 형성하여 항행속도를 증가시키는 방법.The bottom septum (9) according to claim 1, wherein the bottom septum (9) is a means for preventing the air moving toward the stern portion (2) from being diffused and lost to the ship side, wherein the air layer formed between the bottom septum (9) is exposed to waves or the like. Method for increasing the airspeed by forming an air layer on the submerged surface of the ship, characterized in that one or more bottom septum (9 ') is installed between the bottom septum (9') for the purpose of preventing it from coming to one side. 제1항에 있어서, 선저평판에 설치된 선저종격막(9) 사이에 형성된 공기나 기포가 기관냉각수에 유입이 되거나 추진기(3)에 접촉되지 않도록 선저평판에 보조평판(11)를 연결됨을 특징으로 하는 선박의 침수표면에 공기층을 형성하여 항행속도를 증가시키는 방법.According to claim 1, characterized in that the auxiliary plate 11 is connected to the bottom plate so that air or air bubbles formed between the bottom septum (9) installed in the bottom plate does not flow into the engine coolant or come into contact with the propeller (3). Method of increasing the airspeed by forming an air layer on the flooded surface of the ship. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860008993A 1986-10-27 1986-10-27 Speed-up method of a ship KR890005034B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860008993A KR890005034B1 (en) 1986-10-27 1986-10-27 Speed-up method of a ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860008993A KR890005034B1 (en) 1986-10-27 1986-10-27 Speed-up method of a ship

Publications (2)

Publication Number Publication Date
KR880004997A true KR880004997A (en) 1988-06-27
KR890005034B1 KR890005034B1 (en) 1989-12-08

Family

ID=19252998

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860008993A KR890005034B1 (en) 1986-10-27 1986-10-27 Speed-up method of a ship

Country Status (1)

Country Link
KR (1) KR890005034B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101792010B (en) * 2010-04-12 2012-07-25 钱建其 Method for generating air cushion by heavy-duty ship and heavy-duty hovercraft thereof

Also Published As

Publication number Publication date
KR890005034B1 (en) 1989-12-08

Similar Documents

Publication Publication Date Title
KR880002206B1 (en) Bottom exhaust high speed boat
WO1997020728A1 (en) Method of reducing friction resistance of hull, ship whose friction resistance is reduced by the method, and method of analyzing jetted bubbles on ship
KR20110093570A (en) Ship with air bubble generator
US4300889A (en) Shallow draft propeller pocket
KR850001107A (en) Devices affecting propeller flow
US4767364A (en) Advanced steering and propulsion system for ships
GB980437A (en) Ship hull form
IE780385L (en) Boat.
KR880004997A (en) Method of increasing airspeed by forming air layer on the flooded surface of ship
GB1375090A (en)
KR101078832B1 (en) Vessl's structure
US7497179B2 (en) Quadrapod air assisted catamaran boat or vessel
US3534699A (en) Apparatus for reducing the resistance of a ship hull
KR890004948A (en) icebreaker
US3410240A (en) Hull forms
US4129089A (en) Marine propulsion apparatus
RU2360823C2 (en) High-speed submersible craft
RU2184047C1 (en) Device for reducing ship's drift speed
RU2013289C1 (en) Device for towing floating object
US4592299A (en) Ship's-vessel's rudder with reduced drag effected factors
KR950026773A (en) How to reduce resistance when diving and how to reduce buoyancy when diving
JPH0357598Y2 (en)
JPS56167582A (en) Half submerged catamaran ship
KR900000260A (en) Seawater delivery system for reducing seawater resistance
JP2002002581A (en) Friction resistance reducing ship, and friction resistance reducing method for hull

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee