1. A jetting device comprising:
a body; and
an interior flow path within the body, wherein the interior flow path comprises:
a flow section;
an expansion section; and
a shoulder formed at the intersection of the flow section and the expansion section, wherein the length and diameter of the expansion section are configured to allow a portion of the pressure of the fluid downstream of the expansion section to provide power to a fluid flowing through the jetting device when the fluid is flowing through the jetting device.
2. The jetting device of claim 1, wherein a length and a diameter of an expansion section of the jetting device are configured such that a fluid stream diameter of a fluid stream discharged from the jetting device is less than the diameter of the expansion section at an outer end of the jetting device.
3. The jetting device of claim 1, wherein the portion of the pressure of the fluid downstream of the expansion section is at least about 10% of the pressure of the fluid downstream of the expansion section.
4. The jetting device of claim 1, wherein the portion of the pressure of the fluid downstream of the expansion section is less than about 80% of the pressure of the fluid downstream of the expansion section.
5. A flow device comprising:
a body; and
an interior flow path within the body, wherein the interior flow path comprises:
a flow section;
an expansion section; and
a shoulder formed at the intersection of the flow section and the expansion section, wherein the length and diameter of the expansion section are configured to control the amount of backflow of fluid into the expansion section when a fluid is flowing through the flow device.
6. The flow device of claim 5, wherein the expansion section has an area about 1.01 to about 1.5 times greater than an area of the flow section.
7. The flow device of claim 5, wherein the expansion section comprises a chamber between a fluid flowing through the interior flowpath and the inner edge of the expansion section.
8. The flow device of claim 5, wherein the flow device comprises a valve seat, wherein the valve seat further comprises a sealing element disposed in the interior flow path, and wherein the sealing element is configured to transition between an open position allowing fluid flow through the interior flow path and a closed position blocking fluid flow through the interior flow path.
9. The flow device of claim 5, wherein the flow device comprises a pump discharge valve, wherein the pump discharge valve further comprises a poppet disposed adjacent the body, wherein the interior flow path is disposed within the body between the body and the poppet, and wherein a power requirement for a pump comprising the pump discharge valve has a power consumption between about 1% and about 5% less than a comparative pump that does not comprise the flow section, expansion section, and shoulder.
10. The flow device of claim 5, wherein the flow device comprises an exhaust pipe, wherein an engine is coupled upstream of the exhaust pipe, and wherein a fuel efficiency for the engine is between about 2% and about 10% greater than a comparative engine that is not coupled to an exhaust pipe comprising the flow section, expansion section, and shoulder.
11. The flow device of claim 5, wherein the flow device comprises a launch tube, and wherein the launch tube is configured to have a fluid flowing through the interior flow path when a projectile is launched from the flow section through the expansion section.
12. The flow device of claim 5, wherein the flow device comprises a turbine engine, wherein the turbine engine comprises the flow section, the expansion section, and the shoulder between an inlet and a combustion section.
13. The flow device of claim 5, wherein the flow device comprises a turbine engine, wherein the turbine engine comprises the flow section, the expansion section, and the shoulder between a combustion section and an exhaust.
14. The flow device of claim 5, wherein the flow device comprises a blower assembly, wherein the interior flow path is configured to receive a fluid from a blower.
15. The flow device of claim 5, wherein the interior flow path is configured to allow a portion of a flow energy of the fluid flowing through the flow device to be derived from a pressure downstream of the flow device.
16. A method of jetting comprising:
providing a pressurized fluid to an interior flow path disposed in a device body;
passing the pressurized fluid through a flow section in the interior flow path and into an expansion section in the interior flow path;
expanding the fluid into an expansion section;
receiving a fluid within a chamber formed within the expansion section from an environment adjacent an end of the expansion section; and
forming a fluid stream, wherein at least one of the velocity or flowrate of the fluid stream is based on the expansion of the fluid into the expansion section and the fluid received into the chamber.
17. The method of claim 16, wherein the interior flow path is part of a service tool servicing a wellbore disposed in a subterranean formation.
18. The method of claim 17, wherein the pressurized fluid comprises an abrasive wellbore servicing fluid.
19. The method of claim 16, wherein the device body comprises a valve body.
20. The method of claim 16, wherein the device body comprises at least one of an exhaust pipe, a launch tube, a turbine engine, or a blower assembly, and wherein the environment adjacent an end of the expansion section is at atmospheric pressure.
21. The method of claim 16, wherein the fluid comprises a gas or a liquid.
22. The method of claim 16, wherein at least a portion of a flow energy of the fluid stream is derived from a pressure of the fluid in the environment adjacent an end of the expansion section.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for producing a doubly curved shape, comprising:
receiving a member comprising a generally thin sheet of material, the member having a first side and a second side opposite the first side;
bending the member about a first axis to form a concave member surface on the first side and a convex member surface on the second side;
receiving the member between a male roller and a pair of female rollers with the male roller contacting the first side and having a convex roller surface that generally matches the concave member surface, and with the pair of female rollers contacting the second side and having corresponding concave roller surfaces that generally match the convex member surface;
imparting a doubly curved shape to the member by rotating the male roller and the pair of female rollers to bend the member about a second axis transverse to the first axis, the member having an axial arc length of less than approximately 90 degrees, the member further having an apex and a base opposite the apex; and
joining the member with at least one other member having an apex, the apexes of the members forming a closed dome segment.
2. The method of claim 1 wherein the male roller is convex about a longitudinal roller axis and convex about a transverse roller axis, and wherein imparting the doubly curved shape comprises rotating the male roller with the convex roller surface contacting the first side of the member, and wherein rotating the male roller comprises rotating the male roller about the longitudinal axis.
3. The method of claim 1 wherein the female rollers each are convex about a longitudinal axis and are each concave about a corresponding transverse roller axis, and wherein imparting the doubly curved shape comprises rotating the female rollers with the concave roller surface contacting the second side of the member, and wherein rotating the female rollers comprises rotating the female rollers about the corresponding longitudinal roller axes.
4. The method of claim 1 wherein receiving the member between the male roller and the pair of female rollers comprises receiving the member between a first male roller and a first pair of female rollers, and wherein the doubly curved shape has a first radius, and wherein the method further comprises:
receiving the member between a second male roller and a second pair of female rollers with the second male roller contacting the first side and having a convex roller surface that generally matches the concave member surface, and with the second pair of female rollers contacting the second side and having a concave roller surface that generally matches the convex member surface; and
rotating the second male roller and the pair of female rollers to further bend the member about a third axis transverse to the first axis such that the member has a second doubly curved shape, the second doubly curved shape having a smaller radius than the first doubly curved shape.
5. The method of claim 1 wherein the male roller and female rollers form a first roller set, the first roller set being one of a series of roller sets and wherein the method further comprises:
sequentially receiving the member between the male roller and female rollers of each roller set; and
rotating the male rollers and the female rollers to bend the member about the second axis, wherein the male roller and corresponding female roller of each successive set has a smaller radius than a corresponding radius of the immediately preceding set in the series.
6. A method for producing a doubly curved shape, comprising:
receiving a member comprising a generally thin sheet of material, the member having a first side and a second side opposite the first side;
bending the member about a first axis to form a concave member surface on the first side and a convex member surface on the second side;
receiving the member between a male roller and a pair of female rollers with the male roller contacting the first side and having a convex roller surface that generally matches the concave member surface, and with the pair of female rollers contacting the second side and having corresponding concave roller surfaces that generally match the convex member surface;
imparting a doubly curved shape to the member by rotating the male roller and the pair of female rollers to bend the member about a second axis transverse to the first axis, the member having an axial arc length of less than approximately 90 degrees, the member further having a truncated apex and a base opposite the truncated apex; and
joining the member with at least one other member having a truncated apex, with the members forming a partial dome and further with the truncated apexes of the members forming a ring at an end of the partial dome.
7. A method for producing a doubly curved shape, comprising:
receiving a member comprising a generally thin sheet of material, the member having a first side and a second side opposite the first side;
bending the member about a first axis to form a concave member surface on the first side and a convex member surface on the second side;
receiving the member between a male roller and a pair of female rollers with the male roller contacting the first side and having a convex roller surface that generally matches the concave member surface, and with the pair of female rollers contacting the second side and having corresponding concave roller surfaces that generally match the convex member surface;
imparting a doubly curved shape to the member by rotating the male roller and the pair of female rollers to bend the member about a second axis transverse to the first axis, the member having an axial arc length of less than approximately 90 degrees, the member further having an apex and a base;
joining the member with at least one other doubly curved member to form a partial hemisphere; and
joining the partial hemisphere with a cylinder.
8. The method of claim 7 wherein an intersection between the cylinder and the member is tangential.
9. A method for manufacturing a member with a doubly curved shape, comprising:
receiving a member comprising a generally thin sheet of material, the member having a first side and a second side opposite the first side;
bending the member about a first axis to form a concave member surface on the first side and a convex member surface on the second side;
receiving the member between a first male roller and a first pair of female rollers with the first male roller contacting the first side and having a convex roller surface that generally matches the concave member surface, and with the first pair of female rollers contacting the second side and having corresponding concave roller surfaces that generally match the convex member surface;
imparting a doubly curved shape to the member by rotating the male roller and the pair of female rollers to bend the member about a second axis transverse to the first axis, the doubly curved shape having a first radius;
receiving the member between a second male roller and a second pair of female rollers with the second male roller contacting the first side and having a convex roller surface that generally matches the concave member surface, and with the second pair of female rollers contacting the second side and having a concave roller surface that generally matches the convex member surface; and
rotating the second male roller and the pair of female rollers to further bend the member about a third axis transverse to the first axis such that the member has a second doubly curved shape, the second doubly curved shape having a smaller radius than the first doubly curved shape.
10. A method for manufacturing a member with a doubly curved shape, comprising:
receiving a member comprising a generally thin sheet of material, the member having a first side and a second side opposite the first side;
bending the member about a first axis to form a concave member surface on the first side and a convex member surface on the second side;
receiving the member between a male roller and a pair of female rollers with the male roller contacting the first side and having a convex roller surface that generally matches the concave member surface, and with the pair of female rollers contacting the second side and having corresponding concave roller surfaces that generally match the convex member surface, wherein the male roller and female roller form a first roller set, the first roller set being one of a series of roller sets;
imparting a doubly curved shape to the member by rotating the male roller and the pair of female rollers to bend the member about a second axis transverse to the first axis;
sequentially receiving the member between the male roller and female rollers of each roller set; and
rotating the male rollers and the female rollers to bend the member about the second axis, wherein the male roller and corresponding female roller of each successive set has a smaller radius than a corresponding radius of the immediately preceding set in the series.