RU2015127844A - WATER BODY WITH A UNITED AIR BODY AT THE BOTTOM - Google Patents

WATER BODY WITH A UNITED AIR BODY AT THE BOTTOM Download PDF

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Publication number
RU2015127844A
RU2015127844A RU2015127844A RU2015127844A RU2015127844A RU 2015127844 A RU2015127844 A RU 2015127844A RU 2015127844 A RU2015127844 A RU 2015127844A RU 2015127844 A RU2015127844 A RU 2015127844A RU 2015127844 A RU2015127844 A RU 2015127844A
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RU
Russia
Prior art keywords
recess
max
vessel
redan
aft
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RU2015127844A
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Russian (ru)
Inventor
Юрий Николаевич Горбачев
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Юрий Николаевич Горбачев
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Priority to RU2015127844A priority Critical patent/RU2015127844A/en
Publication of RU2015127844A publication Critical patent/RU2015127844A/en

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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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  • Separation By Low-Temperature Treatments (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Claims (9)

Водоизмещающее судно с единой воздушной каверной на днище, имеющее в плоской части днища выемку, полость которой ограничена в носовой части реданом, а в кормовой части кормовым сводом в виде наклонной пластины, переходящим далее в основную плоскость днища судна, по бокам выемка ограничена вертикальными стенками и бортовыми килями, внутри выемки размещены продольные кили, разделяющие ее на отдельные секции, соединенные с источником воздуха, и расположенные поперек выемки между вертикальными стенками по бортам выемки поперечные козырьки в виде наклонных пластин, следующие друг за другом вниз по потоку, отличающееся тем, что выемка расположена на днище таким образом, что в месте расположения редана абсолютное значение коэффициента давления удовлетворяет условию A displacement vessel with a single air cavity on the bottom, having a recess in the flat part of the bottom, the cavity of which is bounded in the fore part by a redan, and in the aft part by a stern arch in the form of an inclined plate, passing further into the main plane of the ship bottom, on the sides of the recess is limited by vertical walls and side keels, longitudinal keels are placed inside the recess, dividing it into separate sections connected to the air source, and transverse visors located across the recess between the vertical walls along the sides of the recess in the form of inclined plates following each other downstream, characterized in that the recess is located on the bottom so that at the location of the redan the absolute value of the pressure coefficient satisfies the condition
Figure 00000001
,
Figure 00000001
, а в месте расположения вершины кормового свода–and at the location of the top of the aft arch -
Figure 00000002
, где
Figure 00000003
,
Figure 00000002
where
Figure 00000003
, где P - величина гидродинамического давления, P0 – величина гидростатического давления воды на днище судна, υmax - максимальная скорость судна, ρ - плотность воды,where P is the hydrodynamic pressure, P 0 is the hydrostatic pressure of the water on the bottom of the vessel, υ max is the maximum speed of the vessel, ρ is the density of water, при этом глубина выемки в днище tв удовлетворяет выражениюwhile the depth of the notch in the bottom t in satisfies the expression tв≥Lв⋅[0,002+|tg(Ψ0)max|]+Wmax,t in ≥L in ⋅ [0.002+ | tg (Ψ 0 ) max |] + W max , где Lв - длина выемки, измеряемая в диаметральной плоскости судна от редана до вершины кормового свода, м, (Ψ0)max - величина допустимого начального дифферента судна, град., Wmax - величина максимальной стрелки прогиба днища выемки на участке от редана до вершины кормового свода, м,where L in is the length of the notch, measured in the diametrical plane of the vessel from the redan to the top of the aft roof, m, (Ψ 0 ) max is the value of the permissible initial trim of the vessel, degrees, W max is the maximum arrow deflection of the bottom of the notch in the section from redan to the top of the aft arch, m, кроме того, относительная высота поперечных козырьков hпк/tв находится в пределах 0,1≤hпк/tв≤0,3.in addition, the relative height of the transverse peaks h pc / t in is within 0.1≤h pc / t in ≤0.3.
RU2015127844A 2015-07-09 2015-07-09 WATER BODY WITH A UNITED AIR BODY AT THE BOTTOM RU2015127844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015127844A RU2015127844A (en) 2015-07-09 2015-07-09 WATER BODY WITH A UNITED AIR BODY AT THE BOTTOM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015127844A RU2015127844A (en) 2015-07-09 2015-07-09 WATER BODY WITH A UNITED AIR BODY AT THE BOTTOM

Publications (1)

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RU2015127844A true RU2015127844A (en) 2017-01-13

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Effective date: 20170505