53 results about "Wetted area" patented technology

A disposable absorbent article including a wetness sensation member and visible highlighting indicating the presence of the wetness sensation member to facilitate an opportunity for the toilet training of the wearer. The wetness sensation member includes a permeable layer and a flow control layer. Urine deposited on the wetness sensation member can penetrate through the permeable body-facing layer in a z direction away from the wearer to the flow control layer. The flow control layer retards the passage of the urine through the wetness sensation member in the z direction while supporting the movement of the urine in an x-y plane to increase the wetted area contacting the wearer's skin and thereby enhance the wearer's awareness that urination has occurred. The visible highlighting is visible when viewing a body-facing surface of the article and may be associatively correlated with an externally visible marking and/or with the concept of toilet training.

The invention relates to multi deck passenger aircraft, having passenger cabins and/or service facilities arranged on the upper and lower deck and inner load bearing cell structure provided within aircraft body. The present invention is also directed toward methods for manufacturing derivative multi deck aircrafts. Energy absorbing, floatable cargo containers (24) attached to fuselage belly. External fuel tanks (26) displaced on the top of fuselage. Center wing region of the fuselage is using for arranging rows of seats and service facilities. Addition seating configuration for narrow and wide bodied aircraft is provided. Multi deck seating configuration significantly reduces per passenger operating cost over existing technology. Less fuel per passenger is required since there is less airframe weight and wetted area per passenger. Due to the lower overall cost per passenger seat within the multi deck seating structure, the net profit and return on investment in the aircraft are also increased.

A urine detection system and method. According to one aspect of the invention, the method includes generating a magnetic field within an effective distance of a potentially wetted area, and conducting a plurality of measurements to construct a magnetic energy distribution function corresponding to the potentially wetted area. The method further includes comparing at least one parameter of the magnetic energy distribution function to a set of stored parameters corresponding to known wetness conditions to identify a wetness condition of the potentially wetted area.

A method of noncontact dispensing a viscous material onto a surface of a substrate, which uses a jetting valve having a nozzle directing the viscous material flow in a jetting direction nonperpendicular to the surface of the substrate. The nonperpendicular jetting direction results in the droplet producing a reduced wetted area on the substrate.

A personal watercraft includes an improved hull design which reduces drag on the watercraft and inhibits porpoising of the watercraft at high speeds, while providing adequate buoyancy when the watercraft is at rest. The watercraft hull includes a pair of steppers positioned toward the aft end of the watercraft hull. The rear stepper has a greater height than the front stepper. This design reduces the wetted area of the hull when the watercraft is up on plane. The second stepper, however, provides additional surface contact should the watercraft to porpoise in order to stabilize the watercraft. The hull design also includes improved foot steps and adjustable sponsons. The foot steps are sloped upwardly in order to provide greater control of the watercraft when leaning the watercraft in a turn.

The invention discloses a liquid crystal device and relates to the field of liquid crystal display. The liquid crystal device comprises sealant, a protective film OC, a black matrix layer BM, a colored film substrate, a protective layer PVX and an array substrate, wherein the protective film OC, the black matrix layer BM and the colored film substrate are sequentially positioned above the sealant; the protective layer PVX and the array substrate are sequentially positioned below the sealant; a first groove or a first through hole is arranged above the protective film OC; the upper part of the sealant is positioned in the first groove or the first through hole; and/or, a second groove is arranged above the protective PVX, and the lower part of the sealant is positioned in the second groove. According to the liquid crystal device and the manufacture method, the hole or the groove is arranged on the upper structure (protective film OC and/or black matrix layer BM) or the lower structure (protective layer PVX) of the sealant, therefore, the height of a glue pouring space is increased, so that the wetted area of the sealant is increased, the binding power of the liquid crystal device is improved, and as a result, a narrow-side frame liquid crystal panel can be manufactured through common materials and equipment under common technologies, and the production cost is reduced.

A rotary disk humidifier of the type that has multiple parallel spaced disks rotatably mounted in a water reservoir in a housing with controls for maintaining the water level in the housing to obtain an optimum wetted disk area above the water level exposed to air flow to achieve optimum humidification. At one theoretical extreme, the water level is at or above the center of rotation of disks decreasing the area of the disks exposed to free air flow through the housing. At the other theoretical extreme with the water level just at or slightly above the outer diameter of the disks, there is a grossly insufficient wetted area of the disk to approach the optimum area. Between those extremes there is a mathematical optimal range of the ratio inner wetted diameter of the disk R_i to the outside wetted diameter of the disk R_o (or the average outer diameter of the disk—the disk may not be circular) of about 0.30.

The invention discloses a river phase relation suitable for a runoff tidal estuary area and derivation method thereof. The method is characterized by comprising the following steps: S1, primarily deriving the river phase relation by combining the O'Brien method with the Douguoren method; S2, establishing a current mathematic model according to the actually measured data of the river, and solving the current mathematic model by use of a finite volume method; S3, selecting a river area only under the runoff effect, and fitting the river phase relation of the runoff river area; S4, selecting the engineering river area of the representative upstream runoff flow; S5, dividing the river area into a certain number of cross sections, equally dividing the river width of each cross section into several, and calculating through the river phase relation of the runoff river area fitted in the step S3; and S6, respectively calculating the average wetted area A and QT falling of the river area in the step S4 by use of the current mathematic model in the step S2. The river phase relation disclosed by the invention has extremely high precision when qualitatively and quantitatively describing the relation of a river power condition and the channel morphology at the runoff tidal estuary area.

A monohull surface ship has a hull having a profile which produces a high pressure area at a bottom portion of the hull in a stern section of the hull and hydrodynamic lifting of the stern section at a speed above a length Froude number of 0.30. The ship includes an apparatus for introducing a drag reducing substance into the boundary layer of water flowing over a submerged portion of the hull in substantially straight flow lines relative to the waterline to reduce skin-friction over a relatively large wetted area of the hull at speeds exceeding a length Froude number of 0.25.

The invention relates to a well completion method of an in-situ leaching uranium mining technological well used in the well drilling and completion of a reagent-free in-situ leaching uranium mining technological well, comprising the steps: a casing of the uranium mining technological well is made by tubes of PVC materials, the tubes are connected by screw threads and uniformly coated with PVC glue for guaranteeing sealing and preventing from stringing together; and a PVC ring-shaped skeleton sieve tube is adopted, iron rings are arranged at the upper and lower ends of the sieve tube so that the positions of the sieve tube and an ore bed are conveniently measured, errors are easily adjusted and the sieve tube is ensured to be put in place accurately. A cement plug is injected at the bottom of a sand sediment tube so as to prevent a cone at the bottom of the sand sediment tube from being damaged when a metal tube is put in. When the well completion operation of the uranium mining technological well is carried out by the method, a gravel packing segment and a sand sediment segment are arranged at the bottom of the casing, the ring-shaped skeleton sieve tube is put in from the upper end of the casing, and iron rings are arranged at the upper end and the lower end of the casing. A well cementing segment, a gel-cement paste sealing segment and a cement gel sealing segment are arranged between the casing and the wall the well. The well completion method solves the problem that a wetted area can not be guaranteed as a result of the malposition of the sieve tube and the ore bed and the layer crossing of ore bed water. The method can be widely used for well drilling and completion operation of the reagent-free in-situ leaching uranium mining technological well.

Variable planing inflatable hull system having a planing surface on inflatable hulls at the side and disposable central hull. The central hull is typically a rigid hull, with the inflatable hulls providing low wetted area planing surfaces for speed, shock absorbing and efficiency of the vessels. Various embodiments are disclosed.

The invention discloses an H-shaped drag reduction ship and a working principle and belongs to novel ship body structures. The H-shaped drag reduction ship is formed by a main ship body, an auxiliary ship body, side wings of the main ship body, side wings of the auxiliary ship body, a tail flow plate and a surface paddle and the like. When the ship is anchored on the water surface, a sleigh type bow is inclined upwards, air easily enter the bottom of the boat; when the ship runs, plenty of air enters the bottom surface of the ship, the ship body and the water surface form an elevation angle, H-shaped side wings on two sides of the main ship body enable air to be enclosed at the bottom of the ship, the side wings on the inner side of the auxiliary ship body enable a space enclosed by the side wings of the main ship body to be divided into three sealed spaces open forwards, the tail flow plate is used for controlling the water flow direction, three high-pressure air cushions formed by the three sealed spaces enable the ship body to be gradually separated from the water surface under the lifting effect of air, the wetted area of the ship body is reduced, water resistance to the ship body is reduced, and accordingly the ship speed is increased. The H-shaped drag reduction ship is simple in structure, low in cost and convenient to manufacture and maintain, can remarkably reduce ship resistance and is particularly suitable for offshore use and use for lakes.

The invention discloses a collecting method of a hyperspectral image for recognizing a wetted area of a colorful fabric. The collecting method is characterized in that an EVA (ethylene vinyl acetate)foam improved clamping device is used for providing a precise division boundary for the image extracting of a tested area; the hyperspectral image is a gray level image set at a plurality of wavebandchannels, the gray level images at the near-infrared wave band can be extracted, and the image brightness value is unrelated with R (red), G (green) and B (blue) components, so as to effectively overcome the influence by the fabric color; direct current is used for supplying power for a diffuse reflection type halogen light source, and the intensity of light provided by a light source is stable; amotor is used for pushing a specimen on a specimen carrying box at uniform speed through an electrically-controlled conveying belt so as to enable a CCD (charge coupled device) camera to scan by lines, and the light intensity in the scanning process of the fabric each time is the same, and is equivalent to the uniform light intensity of the fabric surface; after the image is collected by a hyperspectral image collecting system, white board correction and dark current correction methods are adopted, and the influence by the nonuniform light radiation at the image surface of the original fabricis further eliminated; the wetted area and the unwetted area have better contrast degree in the gray level image at the infrared waveband, and the influence by the texture of the fabric surface can be effectively overcome by proper resolution ratio.

The invention belongs to the technical field of airplane design, and relates to a self-adaptive adjustable low-resistance fairing, which comprises a fairing head part, a fairing back part, a plane body surface, a through hole, a coiled spring, a fixed sliding rail, a front end plate and a back sliding end plate. According to the invention, the conventional fairing is segmented, a set of simple flexible mechanism is added in a superposition form in the fairing, and the slenderness ratio of the fairing can be automatically changed according to the front and back pressure difference of the fairing, so that a wetted area is small and frictional drag is small when an airplane flies at a low speed, the slenderness ratio is suitable and the pressure drag is small when the airplane flies at a high speed, and the drag characteristics of the airplane at each flying speed are improved. The self-adaptive adjustable low-resistance fairing disclosed by the invention can be balanced between the pressure drag and frictional drag, the shape of the fairing can be self-adaptively changed according to the flying speed, flow separation on the fairing under a high-speed condition is restrained, and the vortex intensity at the tail part of the fairing is improved, so that the differential pressure between the front and the back of the fairing is reduced and the airplane flight resistance is reduced.

A viscous-drag-reducing cladding for a ship's hull whereby the wetted area of the hull is reduced by interspersing air between the hull surface and the water. A substantial portion of the submerged area of the ship's hull comprises densely packed air pockets. The dimension of the air pocket is less than twice the capillary length of water. Each air pocket is supplied with pressurised gas by means of a restrictor. The pressurised air is supplied to each air pocket by means of a network of corrugated channels.

A method for testing a device under test includes the steps of applying a vacuum to an interior of the device under test. Pressurizing a predetermined portion on an exterior of the device under test with Helium to detect a potential pressure leak. Utilizing a large pressure differential during the exterior testing of the device under test as compared to the vacuum applied during to the interior of the device under test. Detecting a potential leak in the device under test while leaving no residual Helium in a wetted area of the device under test.

Presented is an advanced Surface Effect Ship (SES) that offers the high efficiencies of the pressurized air cushion supported generic flexible bow and stern seal SES but without the generic SES's shortcomings that are due largely to its generally about 80 percent total hull width flexible bow and stern seals. Advantages are accomplished by the instant invention by use of forward extending rigid bow members positioned both sides of a pressurized hull supporting gas cushion such that the width of the sidehulls, preferably, make up a majority of the width of the instant invention advanced surface effect ship with the remainder, normally less than 35 percent of vessel width, made up by a gas cushion forward moveable seal member disposed between the bow members. Gas cushions may extend forward into undersides of the sidehull bow members to further reduce wetted area resistance. Longitudinally oriented fluid fences may be incorporated to at least partially separate portions of the gas cushion and thereby dampen pressure perturbations in the gas cushion(s). A third bow member may be utilized between port and starboard bow members for some applications.

An absorbent article for wearing about the torso and including a member that supports the movement of urine in an x-y plane to enhance the wearer's awareness that urination has occurred by increasing the wetted area contacting the wearer's skin. The member has a permeable body-facing layer and an impermeable layer disposed in a face-to-face arrangement with the permeable layer and preferably is held in close contact with the wearer's skin during use.

The invention discloses a revolver type AUV (Autonomous Underwater Vehicle) rear-mounted stabilizing ring stability augmentation device, and belongs to the field of hydromechanics and underwater vehicle maneuverability and stability. The device comprises a stability augmentation ring piece and a fixing rod. The stability augmentation ring piece is of a circular ring structure, the radial section of the stability augmentation ring piece is a wing-shaped section, and the front edge faces the AUV body. The fixing rod is of a strip-shaped sheet structure. The four fixing rods are evenly distributed in the circumferential direction, one ends of the four fixing rods are fixed to the outer edges of four fin plates of the AUV cross fin rudder respectively, and the other ends of the four fixing rods are fixed to the inner circumferential face of the stability augmentation ring piece respectively. On one hand, the stability augmentation ring sheet 2 increases the control force and the control torque of the aircraft in a micro-speed state by increasing the wetted area of the aircraft, and on the other hand, the stability augmentation ring sheet 2 can rectify water flow flowing through the cross rudder and reduce the influence of incoming flow on wake flow of the aircraft. The beam effect is achieved on the wake flow of the underwater vehicle, and the influence of the wake flow on the stability of the vehicle is effectively reduced. The AUV can better adapt to the requirements of different working conditions on high maneuverability and high stability.