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Aerodynamics of a flying sphere. It has been said that in the future we maybe flying around anti-gravity type spheres, but this does not mean it will not have to deal with relative wind in our own atmosphere. So what are the aerodynamics associated with sphere? Well believe it or not we can borrow much information from sports. Think of a baseball flying out of the field and into the stands signifying a Home Run or even a Grand Slam.
Can a flying sphere turn, like a curve ball in baseball? You bet it can with or without the anti-gravity control mechanism. Spin will determine much of this. Like a helicopter lateral control and anti-spinning devise to prevent the vehicle turning due to relative wind and uneven weight distribution, The sphere must have a proper center of gravity which makes things such as fuel difficult. The fuel used must be in the center of the sphere and it must be in a container, which shrinks as the fuel is used in exact proportion of the volume expended. Otherwise you will get the curve ball effect.
http://wings.avkids.com/Book/Sports/advanced/curveball-01.html
We can obviously learn a lot about sports for our aerodynamic studies on different types of future crafts. I think you will find that R and D can be spent when money is involved in Entertainment, such as the Ben Bova Novel “Mars” where the cliff dwellings were going to be turned into a giant tourist place, such future thoughts are based on the past as well. Capitalism tends to be able to support such things. Entertainment in the form of movies also funds many things.
Art imitates life. War also provides us with the must win efforts needed to put necessity in the mother’s seat. Thus today we have satellite TV, Weather, Communication and such things as Nuclear Energy, Microwave ovens etc. A flying sphere must counteract the lift caused by it’s shape as well. This may be a little more difficult to factor in as the speed changes, speed of wind changes both direction and speed, etc. Here are some thoughts on the effect of the relative wind on the 322 nippled object, which has become a symbol of American Wealth and recreation and elite status.
[http://www.jsc.nasa.gov/er/seh/pg76s95.html]
We know from studying UFO types of shapes that there are significant issues with vertical take-off spheres, the military and interested theorists have tested these things and discovered that the differences once up to speed are substantial almost to the point of being un-usable as it approaches super-sonic. Actually when traveling within a dense atmosphere or fluid like water, that shape does not work well compared to other shapes we have discovered;
[http://www.webcom.com/petrich/writings/UFO_AA_Paradoxes.html#FlyingSaucer]
When we study under water submersibles we also see interesting fluid dynamics involved. Since we have been building spheres for deepsea exploration we have studied these things. In fluid dynamics the only difference in that from air is the density of the fluid. If you drop a marble from a boat this is the flow it creates on it’s way to the bottom. As we study all types of shapes, we see that some are better than others for different needs. Unfortunately a flying sphere is the best for combating gravity and control, but it is not the best for forward momentum within a dense atmosphere. Is our need to promote the sphere over other shapes a factor of our surroundings. Such as the moon, stars or Earth? And if the Earth is not involved in such innate needs since we did not even believe the Earth was roundish until the last millennium.
We may find that a sphere is not the best shape of a flying craft, which can defeat the effects of gravity. Actually gravity is a rather weak force when compared to other forces in such as that of ion bonding, quantum physics, etc. In the future controllable thrust through jets like that in a Jacuzzi may provide the answer to counteracting gravity and simultaneously providing stability while traveling within an atmosphere, ocean, gas or hot liquid. But probably the sphere although it lends itself to magnetic levitation to counteract gravity may not be as feasible for traveling through the same atmosphere at high speeds. If you have thoughts on how to complete a flying sphere project and provide adequate controls at both high and low speeds using other technologies.
"Lance Winslow" - Online Think Tank forum board. If you have innovative thoughts and unique perspectives, come think with Lance; www.WorldThinkTank.net/. Lance is an online writer in retirement.
Compact spinning road must be taken
China Spinning Machine intense market competition, in the high-end products - compact spinning technology, market, Germany, Switzerland, Italy, Japan and other countries of the spinning machine manufacturers are also competing in the race, but has yet to become a monopoly of the Board. In this sense, the Chinese market, fierce competition compact spinning machine can be said that fierce competition in the world textile machinery market, the geographical extension of the situation.
A direct impact on the quality of printing and dyeing yarn, knitting, yarn-dyed, garment and other industries, thus improving spinning technological progress and industrial upgrading for the development of the textile industry-wide significance. Conventional ring-type spinning machine as the industry advances, can not fully meet the needs of downstream processing quality, therefore, a higher-tech compact spinning technology, emerged in 1999 in Paris ITMA show, Rieter (Rieter), the German Green Ze (Zinser), Suessen (Sussen), etc. on display for the first time with the compact spinning technology, spinning frame, marking the great market potential of this innovative technology start of commercial operations.
In Beijing CITME 2002 show, Rieter, Zinser, Xu Sen, Italy Marzoli (Marzoli), Toyota (Toyota), etc. were exhibited in China, based on their compact spinning technology, spinning frame, has become an overseas textile machinery and power began to a positive start to enter the huge China market, spinning inklings of new technology trends, the competitive situation in the burgeoning Chinese market.
Suessen started from 1920, was founded in spinning technology research, by 2001 years later, has been sold in China alone, more than 200,000 children EliTe close spindle, China has become its largest market.
Rieter is the world's first R & D Compact Yarn Spinning Technology, one of the vendors, but also the international launch of compact spinning spindles, one of the largest two companies. It Suessen cooperation in the field in the compact spinning continuously push forward the progress of the compact spinning technology, expand the scope of application of compact spinning technology, has become the leading compact spinning superposition in the traditional Ring Spinning an emerging technology Another pioneer in technology trends.
Application of Principles and advantages of compact spinning
The so-called compact spinning technology was developed in the ring fine spinning machine, a new device, in essence Textile Drafting System before the addition of a fiber pool area, eliminating the front roller to the twisted spinning triangle between points, thus eliminating the triangular area right into the yarn surface structure (especially the hairiness), yarn strength and flexibility, spinning run performance (breakage) and free flyings (environmental cleanliness), etc. effects.
Specifically, before the roller is a spinning machine in front of the traditional design called for a special-shaped straw, grid porous apron and output negative pressure on the roller composed of condensed areas, effective control of fiber, especially fiber edge fibers and planktonic production, thus eliminating the spinning triangle, so that the fluff of cotton yarn has decreased significantly, nep reduced by 30%, 70% reduction in hairiness than the ring and improve the yarn strength of about 10%, and cotton seed, processing flyings less for the after-processing operations to improve fabric quality and reduce the burden sizing, singeing and so created the conditions for cancellation. The current global installed base has more than one million, and technological advantages may be reflected in glimpse.
In the same tight ring under the conditions of raw cotton yarn than conventional ring yarn quality, high output, low twist, use a wide range of raw materials, producing the same pure cotton yarn with cotton may be appropriate to reduce the levels and production costs. For example, production of 30 English teams off the cotton combed yarn can be reduced up to 20%, while the yarn quality and appearance are still intact.
Technology Comparison
Internationally renowned manufacturers to launch compact spinning of different forms, of which Li Da, Xu Sen, Marzoli, Toyota and Zinser most representative.
Lida pioneered an alternative to suction drum spinning under the roller drafting device before the condensation of the system, the company developed compact spinning brand - ComforSpin spinning (Com4, ComforSpin) the successful occupation of compact spinning equipment market, able to spin out in the off Strong, strong extension, such as yarn hairiness, and IPI indicators of the quality better performance than conventional ring yarn in close fine yarn.
Com4 compact spinning roller installed in the concentration of a helical cylindrical rolling, mainly spinning yarn count for more than 60 English teams when the selection; spinning less than 60 English teams, still using flat roller.
To July 30, 2003, The People's Republic of China State Intellectual Property Office issued the patent announcement, Rieter in the 203 patent applications, 26 projects involving ring-spun yarn spinning technology closely.
Suessen EliTe compact spinning increased the ring spinning machine-assisted anterior seam roller, and has opened a trough shaped hollow suction tube, above the rotary movement can be covered with the skin with a pore volumes, when the fiber bundle provided through Suessen drafting system immediately after the arrival EliTe cluster part of the grooved seam negative pressure air through the straw covering the shaped straw hole of the aprons, air to leave the front roller by the cluster of fiber JAW controlled so that the "spinning triangle" reduced or eliminated, so that fibers parallel to each other and finally spun yarn tightly.
In ShanghaiTex 2003 show, demonstrated the use of compact spinning technology to produce compact spinning strands EliTwist. The use of stock-line technology, also developed a close Siro core-spinning equipment, namely, compact spinning, siro spinning, core-spun yarn triple. According to reports, this is the international advanced level of the host equipment, spinning, spinning yarn quality is superior to various other forms.
Toyota ShanghaiTex 2003 exhibition RX240NEW-EST compact spinning spinning frame, which uses air flow cluster type, the front of the lower one for each 4 by the suction tank, and lead aprons under the porous roller composed of a combination of pieces of The combination of pieces can be easily removable without tools; with a roller gear under the former system of fuel through the gears without the need to drive, porous aprons from under the front roller drive; suction pipe installed in the Luo Laji Block upper part of the suction fan variable frequency drives, each section 48.
The scene in the textile JC40, spindle speed of 23,000 rev / min spindle using 18mm plate, 36mm steel collar, forming part of the use of servo motor.
Marzoli display Olfil compact spinning device installed in the RST-1-type spinning frame on the car spinning demonstration. The device is installed in the three systems on the drawing three times before the department, the bottom one for each of eight stainless steel tubes, (each spindle sets of holes along the aprons), in stainless steel pipe has opened a suction slot; upper between the two leather roller by the toothed belt drive; suction fan variable frequency drives, each 48 1.
Zinser 700 AirComTex close compact spinning machine spinning device unique, its concentration in the suction part of the upper section to be spinning, spinning to three roller drafting, as amended, by the negative pressure airflow guide, be concentrated to the Aprons surface of the upper punch. Aprons of the pitch due to a smaller hole, so that should be the width of pre-twisting has been significantly reduced.
In addition, gathering area and the concentration of drafting roller with changing gears between the rollers, can choose among the different transmission gears, processing a wide variety of fibers.
The company emphasized retention 2mm below the hairiness, the coverage of the textile end product capabilities and other performance is very important.
In addition, Ruishiluotuo Kraft (Rotorcraft) has introduced a cluster of compact spinning mechanical prototype RoCoS, it is still using three roller drafting, the former roller must be 27mm diameter, the original pre-roller and close on the anterior roller with a plastic frame fixed together, the two former in between the upper roller, a ceramic collector, ceramic collector openings for third gear change according to Variety.
Characterized by the transformation of convenience, domestic YJ2-142 series cradle spinning frame can be modified, as long as for a front roller and the roller seat, coupled with compact spinning device can be. Another advantage is that energy conservation, it does not require external blower vacuum, and therefore energy consumption and the general ring, the company has and Shanxi Best companies to launch domestic spinning of the rehabilitation programs.
Domestic Trends
In the international application of compact spinning technology into the mature period of time, some domestic textile machinery manufacturers and research institutions are also optimistic about the application of strong prospects for yarn spinning technology, invested R & D and learning, including large, medium, small and private textile machinery manufacturers, research institutions, universities and even some spinning science and technology personnel, are committed to this professional field, in order to develop a compact spinning with independent intellectual property rights program to work techniques, including Shanghai Jingwei Textile Machinery, and two textile machinery has been made in the initial research achievements, and through ShanghaiTex 2003 Exhibition, to the Chinese market has matured a collective spooling device.
Meanwhile, domestic manufacturers and international manufacturers to develop the case is also endless. In recent years there have been Xinjiang Esquel, Shandong Lutai, Wuxi, a cotton, the remaining companies and Anhui Huamao Yao Hualian Textile Co., Ltd. and other enterprises closely spinning devices have been introduced.
June 8 this year, Xu Sen Yu Jingwei Textile Machinery EliTe compact spinning technology, the signing of the contract, Jingwei Textile Machinery Suessen to provide spinning technology and licenses granted Jingwei Textile Machinery.
Jingwei Textile Machinery will this device installed in short fiber on the ring spinning machine, and the right to self-production to upgrade an existing ring spinning machine and was named Elite ring spinning machine spinning weft, so that the ring with Elite spindle spinning frame in the Chinese market there is a satisfactory market share. At the same time, according to this contract, Suessen further technically right Jingwei Textile Machinery to provide support to the latitude and longitude to provide the latest developments, the Elite transformation of production of some components.
April 2 this year, representing the world's advanced level of Shandong spinning Deyuan compact spinning mill 3 million project started construction in Jining High-tech Zone. The project Ningbo Yunsheng Seiki Company, Hong Kong Gigabyte International (Group) Co., Ltd., Banda International (Hong Kong) Limited joint venture, with a total investment of around 10 billion Hong Kong dollars, after completion by the end of 2008 all the world's largest close spinning production base, is expected to be an annual sales income 120 billion yuan, profits and taxes 2 billion yuan, plans by the end of December this year, will be completed the first phase of factory production.
Anhui Huamao shares of listed companies is also considering the implementation of the compact spinning motion of technological transformation projects, intended to introduce international advanced level compact spinning spinning frame and supporting critical equipment, and use of domestic advanced equipment, complete sets of spinning.
50,340 million yuan in total investment. The project is put into production can be expected to produce 14,342 tons of high-grade yarn, new sales income of 37,000 yuan, total profit of 58.0416 million yuan.
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Every day actors and other artists arrive in Los Angeles, lured by the prospect of employment in film and television.
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