1. A hypersonic waverider aircraft, comprising:
a first engine;
an inlet including a throat, the inlet being configured to generate three-dimensional flow compression during hypersonic flight with a weak shock wave that begins at the leading edge surfaces of the inlet and coalesces ahead of the throat, and a weak shock wave that begins at the point of coalescence of the weak shock wave and extends to the throat, wherein
at least a portion of the inlet is asymmetrical about a longitudinal axis of the engine, and
the underside of the inlet includes a v-shaped leading edge cut out of the underside of the inlet so that the shape of a conical shock wave required to capture the desired amount of airflow is asymmetrical about the longitudinal axis of the first engine.
2. The hypersonic waverider aircraft of claim 1 wherein the engine is a scramjet engine.
3. The hypersonic waverider aircraft of claim 1 further comprising:
a turbojet engine mounted above the first engine.
4. The hypersonic waverider aircraft of claim 1 further comprising:
an integrated wing-body; and
an asymmetrical nozzle integrated into the shape of the wing-body.
5. The hypersonic waverider aircraft of claim 1 further comprising:
an integrated wing-body, wherein the shape of the inlet is further defined by and integrated with the planform and thickness of the wing-body.
6. The hypersonic waverider aircraft of claim 1 further comprising:
a second engine mounted above the first engine.
7. The hypersonic waverider aircraft of claim 6 wherein the first engine is a scramjet engine, and the second engine is a turbojet engine.
8. A waverider aircraft comprising:
an engine including an inlet and a throat, the inlet being configured to generate three-dimensional flow compression with a shock at the throat during hypersonic flight, and the inlet is further configured to be asymmetrical about a longitudinal axis of the engine;
the inlet is configured to generate three-dimensional flow compression during hypersonic flight with a weak shock that begins at leading edge surfaces of the inlet and coalesces ahead of the throat, and a strong shock that begins at the point of coalescence of the weak shock wave and extends to the throat.
9. The aircraft of claim 8 wherein the inlet is integrated into the shape an aircraft and includes a v-shaped lip open to freestream airflow in one side of the inlet.
10. The aircraft of claim 9 wherein the engine is a scramjet engine.
11. The aircraft of claim 10 further comprising:
a turbojet engine mounted adjacent to the scramjet engine, wherein the turbojet engine and the scramjet engine are configured to share the inlet.
12. The aircraft of claim 8 further comprising:
a nozzle with a throat including a contour to achieve a desired thrust and modified to be asymmetrical to conform to a desired shape of an aircraft.
13. The aircraft of claim 8 further comprising:
an integrated wing-body, wherein the shape of the inlet is further defined by and integrated with the planform and thickness of the wing-body.
14. The aircraft of claim 13 further comprising a nozzle that is asymmetrical about the longitudinal axis of the engine.
15. An aircraft comprising:
a first engine capable of delivering thrust for hypersonic cruise flight;
a second engine mounted adjacent to the first engine, wherein the second engine delivers thrust at speeds below hypersonic cruise flight, and the first engine and the second engine are configured to share an inlet; and
the inlet includes a throat and generates three-dimensional inward-turning flow compression, and the inlet is further configured to be asymmetrical about longitudinal axes of the scramjet and turbojet engines.
16. The aircraft of claim 15 wherein the inlet is integrated into the shape of the aircraft and includes a v-shaped lip open to freestream airflow in one side of the inlet.
17. The aircraft of claim 15 wherein the inlet is configured to capture desired airflow while retaining upper lifting surface shape of a wing-body configuration of the aircraft and including a v-shaped lip cut out of the underside of the inlet.
18. The aircraft of claim 15 further comprising:
a nozzle with a throat including a contour to achieve a desired thrust and modified to be asymmetrical to conform to a desired shape of the aircraft.
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. An ink jet recording apparatus for recording a color image, comprising:
a first head group including a plurality of chromatic color ink recording heads, which are aligned in a scanning direction, for jetting a plurality of photocurable chromatic color inks to a recording medium;
a second head group including at least one of a transparent ink recording head for jetting a photocurable transparent ink to the recording medium and an achromatic color ink recording head for jetting a photocurable achromatic color ink to the recording medium;
a plurality of light emitting devices for emitting light to cure the photocurable ink on the recording medium;
a scanning device which accommodates the first head group and the second head group and which scans the head groups in the scanning direction; and
a conveying device for conveying the recording medium in a direction orthogonal to the scanning direction of the scanning device;
wherein the first head group and the second head group are aligned in the scanning direction;
wherein no light emitting device is interposed between any of the plurality of the chromatic color ink recording heads of the first head group such that the chromatic color inks jetted from the chromatic color ink recording heads are superimposed and mixed without being cured;
wherein one of the light emitting devices is arranged between the first head group and the second head group to cure the ink jetted from one of the first head group and the second head group such that ink jetted from the other of the first head group and the second head group is superimposed without mixing on the ink jetted from said one of the first head group and the second head group; and
wherein another one of the light emitting devices is arranged on a trailing side, in the scanning direction, of a trailing one of the first head group and the second head group.
2. The ink jet recording apparatus of claim 1, wherein the scanning device scans bilaterally so as to scan in two opposite directions, including said scanning direction and an opposite scanning direction, and still another one of the light emitting devices is arranged on a trailing side, in the opposite scanning direction, of a trailing one of the first head group and the second head group in the opposite scanning direction, such that the light emitting devices are respectively arranged on both sides of each of the first head group and the second head group.
3. The ink jet recording apparatus of claim 2, wherein one of the light emitting devices at a leading side of a leading one of the head groups is controlled not to burn, and the other light emitting devices are controlled to burn, for each of the scanning directions.
4. The ink jet recording apparatus of claim 1, wherein the plurality of chromatic color ink recording heads respectively jet yellow, magenta, and cyan inks, and the achromatic color ink recording head jets one of a black ink and a white ink.
5. The ink jet recording apparatus of claim 1, wherein the inks are UV-curable inks and the light emitting devices emit at least UV-rays.
6. An ink jet recording apparatus for recording a color image, comprising:
a first head group including a plurality of chromatic color ink recording heads, which are aligned in a conveying direction of a recording medium, for jetting a plurality of photocurable chromatic color inks to the recording medium;
a second head group including at least one of a transparent ink recording head for jetting a photocurable transparent ink to the recording medium and an achromatic color ink recording head for jetting a photocurable achromatic color ink to the recording medium;
a plurality of light emitting devices for emitting light to cure the photocurable ink on the recording medium; and
a conveying device for conveying the recording medium in the conveying direction,
wherein the first head group and the second head group are aligned in the conveying direction of the recording medium;
wherein no light emitting device is interposed between any of the plurality of the chromatic color ink recording heads of the first head group such that the chromatic color inks jetted from the chromatic color ink recording heads are superimposed and mixed without being cured;
wherein one of the light emitting devices is arranged between the first head group and the second head group to cure the ink jetted from one of the first head group and the second head group such that ink jetted from the other of the first head group and the second head group is superimposed without mixing on the ink jetted from said one of the first head group and the second head group;
wherein another one of the light emitting devices is arranged on a trailing side, in the conveying direction of the recording medium, of a trailing one of the first head group and the second head group; and
wherein the first head group and the second head group are line-head type recording heads.
7. The ink jet recording apparatus of claim 6, wherein the plurality of chromatic color ink recording heads respectively jet yellow, magenta, and cyan inks, and the achromatic color ink recording head jets one of a black ink and a white ink.
8. The ink jet recording apparatus of claim 6, wherein the second head group includes a black ink recording head and a white ink recording head, and still another one of the light emitting devices is arranged between the black ink recording head and the white ink recording head in the conveying direction of the recording medium.
9. The ink jet recording apparatus of claim 6, wherein the inks are UV-curable inks and the light emitting devices emit at least UV-rays.
10. An ink jet recording apparatus for recording a color image, comprising:
a first head group including a plurality of chromatic color ink recording heads, which are aligned in a scanning direction, for jetting a plurality of photocurable chromatic color inks to a recording medium;
a second head group including at least one of a transparent ink recording head for jetting a photocurable transparent ink to the recording medium and an achromatic color ink recording head for jetting a photocurable achromatic color ink to the recording medium; and
a plurality of light emitting devices for emitting light to cure the photocurable ink on the recording medium;
wherein the first head group and the second head group are aligned in the scanning direction;
wherein no light emitting device is interposed between any of the plurality of the chromatic color ink recording heads of the first head group such that the chromatic color inks jetted from the chromatic color ink recording heads are superimposed and mixed without being cured;
wherein one of the light emitting devices is arranged between the first head group and the second head group to cure the ink jetted from one of the first head group and the second head group such that ink jetted from the other of the first head group and the second head group is superimposed without mixing on the ink jetted from said one of the first head group and the second head group;
wherein another one of the light emitting devices is on a trailing side, in the scanning direction, of a trailing one of the first head group and the second head group; and
wherein the second head group includes one of a black ink recording head and a white ink recording head, and includes the transparent ink recording head, and still another one of the light emitting devices is arranged between said one of the black ink recording head and the white ink recording head, and the transparent recording head in the scanning direction.
11. The ink jet recording apparatus of claim 10, wherein the second head group includes the black ink recording head and the white ink recording head, and still another one of the light emitting devices is arranged between the black ink recording head and the white ink recording head in the scanning direction.
12. The ink jet recording apparatus of claim 10, wherein an emission amount of the light emitting device that cures the transparent ink is smaller than an emission amount of the light emitting devices that cure the chromatic color inks and the achromatic color ink.
13. The ink jet recording apparatus of claim 10, wherein the inks are UV-curable inks and the light emitting devices emit at least UV-rays.