Technical Field

Engineering related to apparatus for creating a swirling flow of fluid on horizontal plane

Background of Arts

Refer to Thai Patent number 41 173 "Apparatus for creating a swirling flow of fluid" is apparatus that creates swirling flow of fluid comprises of transmission base with internal cavity to receive the fluid flow from outside via side penetrable hole where a hole side edge is formed to direct the fluid into transmission base. Where in beginning of the hole side edge has to be the surface with a smallest angle of deviation of the emerging axis of penetrable hole and the said section of convex curve of the hole side edge has to be the nearest surface to emerging axis of the side penetrable hole, when compared with other surface surrounding emerging axis to deflect the flow of incoming fluid to flow attaching to the convex curve. It will induce the fluid in the internal cavity of transmission base to flow attaching to the convex curve and create a laminar swirling flow of fluid in the transmission base, which

The creation of swirling flows by apparatus for creating a swirling flow of fluid of Patent number 41 173 as said is the creation of swirling flows that flows of fluid attaching along with inner surface of cylindrical transmission base by Coanda effect ,that is different from this invention which is the creation of laminar swirling flows on the horizontal plane. Characteristics and Purpose of this Invention

An apparatus for creating a swirling flow of fluid on horizontal plane according to this invention comprises of transmission base for creating swirling flow. The transmission base structure is in cone shape with the minimal incline angle or round flat with a certain thickness with the swirling flow creating surface located symmetrically surround center of the transmission base. In between sets of surface for creating swirling flow, there is at least one slit along the edge of surface for creating swirling flow to transmit fluid from one side to the other side of transmission base to the surface for creating swirling flow which located on the plane of the said apparatus, The said apparatus for creating a swirling flow of fluid on horizontal plane is set inside the structure in which it is designed for creating swirling flow. There are 3 kinds of contour surface for creating swirling flow of fluid , includes, cone contour design with minimal incline angle to central apex as surface for creating swirling flow; horizontal rearrangement of fractional cone contour design; and concentric spiral contour design to be the surface for creating swirling flow of fluid.

The purpose of this invention is to have an apparatus for creating a swirling flow of fluid on horizontal plane by the principle of Coanda effect to deflect and induce fluid to create laminar swirling flow on the horizontal plane that could be installed inside the structure that needs to create swirling flow, and

The purpose of this invention is to have apparatus for creating a swirling flow of fluid on horizontal plane, by which boundary layer that flows along with horizontal plane is flow as fluid sheet on the manner of Laminar swirling flow with high velocity without turbulent flow. It also has a clear distribution of layers of centrifugal acceleration gradient clearly.

Brief Description of Drawings

Figure 1A, it shows apparatus for creating a swirling flow of fluid on horizontal plane according to this invention which is designed in concept of using cone contour design with the minimal incline angle to central apex as surface to create swirling flow.

Figure IB, it shows underpart of apparatus for creating a swirling flow of fluid on horizontal plane of the cone contour design with the minimal incline angel to central apex as surface to create swirling flow.

Figure 1C, it shows vertical section view of apparatus for creating a swirling flow of fluid on horizontal plane of the cone contour design with the minimal incline angel to central apex as surface to create swirling flow.

Figure ID, it shows horizontal section view from bottom of apparatus for creating swirling flow of fluid on horizontal plane of the cone contour design with the minimal incline angel to central apex as surface to create swirling flow.

Figure IE, it shows horizontal section view from top of apparatus for creating a swirling flow of fluid on horizontal plane of the cone contour design with the minimal angel to central apex as surface to create swirling flow.

Figure IF, it shows swirling laminar flow of fluid in vertical to the horizontal plane of apparatus for creating a swirling flow of fluid which is the type of cone contour design with the minimal angel to central apex as surface to create swirling flow.

Figure 2A, it shows apparatus for creating a swirling flow of fluid on horizontal plane of the type of horizontal rearrangement of fractional cone contour design as surface for creating swirling

Figure 2B, it shows underpart of apparatus for creating a swirling flow of fluid on horizontal plane of the type of horizontal rearrangement of fractional cone contour design as surface for creating swirling flow.

Figure 2C, it shows vertical section view of apparatus for creating a swirling flow of fluid on horizontal plane of the type of horizontal rearrangement of fractional cone contour design as surface for creating swirling flow.

Figure 2D, it shows horizontal section view from bottom of apparatus for creating a swirling flow of fluid on horizontal plane of the type of horizontal rearrangement of fractional cone contour design as surface for creating swirling flow.

Figure 2E, it shows horizontal section view from top of apparatus for creating a swirling flow of fluid on horizontal plane of the type of horizontal rearrangement of fractional cone contour design as surface for creating swirling flow.

Figure 2F, it shows Laminar swirling fluid in vertical to the horizontal plane of apparatus for creating a swirling flow of fluid of the type of horizontal rearrangement of fractional cone contour design as surface for creating swirling flow.

Figure 3A, it shows apparatus for creating a swirling flow of fluid on horizontal plane of the type of concentric spiral contour design

Figure 3B, it shows underpart of apparatus for creating a swirling flow of fluid on horizontal plane of the type of concentric spiral contour design

Figure 3C, it shows upper view of apparatus for creating a swirling flow of fluid on horizontal plane of the type of concentric spiral contour design. Which show the configuration of the concentric spiral surface for swirling flow creation and shows its penetrable slit.

Figure 3D, it shows underpart of apparatus for creating a swirling flow of fluid on horizontal plane of the type of concentric spiral contour design, shows configuration of penetrable slit

Figure 3E, it shows vertical section view of apparatus for creating a swirling flow of fluid on horizontal plane of the type of concentric spiral contour design

Figure 3F, it shows laminar swirling flow of fluid in vertical to the horizontal plane of apparatus for creating a swirling flow of fluid of the type of concentric spiral contour design Disclosure of Invention

According to figure 1A - IF, an apparatus for creating a swirling flow of fluid on horizontal plane of the present invention comprises of transmission base 1 for creating swirling flow. The base is circular base in cone shape with very low incline angle (shown in figure 1C). The suitable incline angle is about 10° -15° . the cone surface is slope to the central apex where the swirling flow creating surface 2 located symmetrically. In between swirling flow creating, surfaces 2, there is at least one penetrable slit 3 along the edge of swirling flow creating surface 2 for transmission fluid from underpart of transmission base 1 through penetrable slit 3 (shown in figure IB) to the upper part of transmission base 1 to create swirling flow on the horizontal plane, and

Swirling flow creating surface 2 is curved outward to the circumferential wall of cone (shown in figure ID, section A) of which beginning section of swirling flow creating surface 2 has to be the surface with a smallest angle of deviation of the emerging axis (a) of the penetrable slit 3. It is also the surface that is nearest to emerging axis (a) when compared with other surface surround the emerging axis (a) , and

Fluid with a certain pressure is forced to penetrate through penetrable slit

3, to the upper part of transmission base 1, to be deflected and induce fluid on transmission base 1 to flow along the swirling flown creating surface 2, which is the area that is difficult to flow through and induce fluid to flow attaching to swirling flow creating surface 2 by swirling flow creating surface 2, which

Swirling flow creating surface 2 is set of surfaces that is designed to flow around center of transmission base 1 which is the plane of cone shape with minimal slope and minimal incline angle that close to the horizontal plane, which The flow of fluid from said profile will create the deflection and inducing of fluid upon transmission base 1 to flow attaching to the swirling flow creating surface 2 which is located surround the transmission base 1 (shown in figure 1A and ID on arrow (b)). Which has minimal slope to central apex, creating swirling flow of fluid on plane in the manner of fluid sheet in laminar swirling flow with high velocity without turbulent flow and it is swirling on vertical to the horizontal plane (shown in IF)

According to figure 2A - 2F, an apparatus for creating a swirling flow of fluid on horizontal plane of the present invention comprises of transmission base 1 to create swirling flow. The base is round and flat with certain thickness (shown in figure 2C). Having swirling flow creating surface 2 to be made as wall cone slope to the center with the minimal incline angle, the suitable incline angle is about 10°- 15°. at which cone wall to be cut down and rearranged horizontally around center of transmission base 1 to reduce the height of transmission base to figurate transmission base being close to the horizontal plane. The said swirling creation surface 2 is located symmetrically around center of transmission base 1. In between swirling creation surfaces 2, there is at least one penetrable slit 3 along the edge of swirling flow creating surface 2 for transmission fluid from underpart of transmission base 1 through penetrable slit 3 (shown in figure 2B) to the upper part of transmission base 1 to create the swirling flow on the horizontal plane, and

Swirling flow creating surface 2 is curved outward to the circumferential wall of cone (shown in figure 2D, section A) of which beginning section of swirling flow creating surface 2 has to be the surface with a smallest angle of deviation of the emerging axis of the penetrable slit 3. It is also the surface that is nearest to emerging axis (a) when compared with other surface surround emerging axis (a). Fluid with a certain pressure is forced to penetrate through penetrable slit 3, to the upper part of transmission base 1 to be deflect and induce fluid on transmission base 1 to flow along the swirling flow creating surface 2, which is the area that is difficult to flow through, and induce fluid to flow attaching to swirling flow creating surface 2 by swirling flow creating surface 2, which

Swirling flow creating surface 2 is set of surfaces that is designed to surround center of transmission base 1 that induce fluid to flow along the plane of transmission base 1 which is in round and flat shape, which The flow of fluid from said profile is creating the deflection and inducing of fluid upon transmission base 1 to flow attaching to swirling flow creating surface 2 that is located surround transmission base 1 (shown in figure 2A and 2D on arrow (b)), which has minimal slope to central apex, creates swirling flow of fluid on plane in the manner of fluid sheet in laminar swirling flow with high velocity without turbulent flow and it is swirling on vertical to the horizontal plane (shown in 2F).

According to figure 3A - 3F, an apparatus for creating a swirling flow of fluid on horizontal plane of the present invention comprises of transmission base 1 to create swirling flow of fluid on the horizontal plane. The base is round and flat with certain thickness (shown in figure 3E). Swirling flow creating surface 2 (shown in figure 3C) is located symmetrically around center of transmission base 1. In between swirling flow creating surfaces 2, there is at least one penetrable slit 3, along the edge of swirling flow creating surface 2 for transmission fluid from underpart of transmission base 1 through penetrable slit 3 (shown in figure 3D) to the upper part of transmission base 1 to create the swirling flow on the horizontal plane, and

Swirling flow creating surface 2 (shown in figure 3C) is twisted as concentric spiral to the center of transmission base 1 the beginning section of the edge of concentric spiral has to be the surface with a smallest angle of deviation of the emerging axis (a) of penetrable slit 3. It is also the surface that is nearest to emerging axis when compared with other surface surround emerging axis (a), and Fluid with a certain pressure is forced to penetrate through penetrable slit 3 (shown in figure 3D), to the upper part of transmission base 1 the fluid flow to be deflected and induce fluid on transmission base 1 to flow along the swirling flow creating surface 2, which is the area that is difficult to flow through and induce fluid to flow attaching to swirling flow creating surface 2 by swirling fluid flow 2, which

Swirling flow creating surface 2 is set of surfaces that is designed to surround center of transmission base 1 for inducing swirling flow of fluid on the horizontal plane of transmission base which is in round flat shape, which The flow of fluid from said profile is creating the deflection and inducing of fluid upon transmission base 1 to flow attaching to the swirling flow creating surface 2 that is located surround on transmission base 1 (shown in figure 3A and 3C on arrow (b)). This process creates swirling flow of fluid on horizontal plane in the manner of fluid sheet in laminar swirling flow with high velocity without turbulent flow and it is swirling on vertical to the horizontal plane (shown in 3F).

From the characteristic of apparatus for creating a swirling flow of fluid on horizontal plane of the present invention, swirling flow creating surface is a curvature of which beginning section has to be the surface with a smallest angel of deviation of the emerging axis of the penetrable slit. The said curved surface is nearest to penetrable slit when compared with other surface surround the emerging axis, for deflecting the fluid which forced by a certain pressure to flow through penetrable slit upon transmission base to flow attaching to the swirling flow creating surface and induce the fluid on transmission base to flow attaching to swirling flow creating surface which is the area that is difficult to flow through . All the said 3 types of swirling flow creating surfaces are designed to surround the center of transmission base for creating the swirling flow of fluid on the horizontal plane of transmission base, and

The composition layout of transmission base, swirling flow creating surface, and penetrable slit, in the said profile above are fixed according to the principle of Coanda profile. With such Coanda profile, will deflect and induce fluid to flow attaching to the swirling flow creating surface which is the area that is hard to flow through this phenomenon is called Coanda effect, together with the profile located on the horizontal plane, It will creates the swirling flow of fluid as fluid sheet with laminar swirling flow with high velocity without turbulent flow. It also has a clear distribution of centrifugal acceleration gradient on the horizontal plane of transmission base, and

Incase install the apparatus for creating swirling flow of fluid of the present invention on horizontal plane, The sum of gravity force act to the mass of fluid is perpendicular to swirling flow creating surface which will promote fluid to flow attaching swirling flow creating surface, making thick boundary layers. Increasing the efficiency of apparatus, especially in the case of high density and high viscosity fluid.

Best Mode for Carrying out the Invention

As the same as described in Complete Disclosure of this Invention section.