hi one of our pump is frequently tripping on seismic HI vibration . B/N 3500 system slot 2 ch3 goes danger alarm hi other related probe gives only vibration alarms which on motor side .we check by overriding the trip and found that vibration are shown by the probes does exist but our vi
Yearly Archives: 2009
Cassini Holiday Movies Showcase Dance of Saturn’s Moons
Saturn's moons give Tchaikovsky's classic ballet, "The Nutcracker," a graceful new spin in this video compiled from some 61 images taken by the Cassini spacecraft. Image credit: NASA/JPL/Space Science Institute
› Play video (Quicktime) | › View related videos
Like sugar plum fairies in "The Nutcracker," the moons of Saturn performed a celestial ballet before the eyes of NASA's Cassini spacecraft. New movies frame the moons' silent dance against the majestic sweep of the planet's rings and show as many as four moons gliding around one another.
The new video can be found at http://www.nasa.gov/cassini , http://saturn.jpl.nasa.gov and http://ciclops.org.
To celebrate the holidays, the Cassini imaging team has created a video collection of "mutual events," which occur when one moon passes in front of another, as seen from the spacecraft. Imaging scientists use mutual event observations to refine their understanding of the dynamics of Saturn's moons. Digital image processing has enabled scientists to turn these routine observations into breathtaking displays of celestial motion. The original images were captured between Aug. 27 and Nov. 8, 2009.
In one scene that synthesizes 12 images taken over the span of 19 minutes, Rhea skates in front of Janus, as Mimas and Pandora slide across the screen in the opposite direction. While the dance appears leisurely on screen, Rhea actually orbits Saturn at a speed of about 8 kilometers per second (18,000 mph). The other moons are hurtling around the planet even faster. Mimas averages about 14 kilometers per second (31,000 mph), and Janus and Pandora travel at about 16 kilometers per second (36,000 mph).
"As yet another year in Saturn orbit draws to a close, these wondrous movies of an alien place clear across the solar system remind us how fortunate we are to be engaged in this magnificent exploratory expedition," said Carolyn Porco, Cassini imaging team leader at the Space Science Institute in Boulder, Colo.
The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate in Washington. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging team is based at the Space Science Institute, Boulder, Colo.
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Mayon Volcano, The Phillipines
Tens of thousands of people living within the danger zone of Mayon Volcano in the Philippines were forced to evacuate to emergency shelters in mid-December 2009 as small earthquakes, incandescent lava at the summit and minor ash falls suggested a major eruption was on the way. On the evening of Dec. 14, the local volcano observatory raised the alert level to Level 3, which means "magma is close to the crater and hazardous explosive eruption is imminent."
This natural-color image of Mayon was captured on Dec. 15, 2009, by the Advanced Land Imager on
NASA's Earth Observing-1 (EO-1) satellite. A small plume of ash and steam is blowing west from the summit. Dark-colored lava or debris flows from previous eruptions streak the flanks of the mountain. A ravine on the southeast slope is occupied by a particularly prominent lava or debris flow.The Phillipine Star said on Dec. 22 that "ashfall blanketed at least three towns in Albay, raising new health fears for thousands already bracing for an eruption that could come at any time ... Health officials warned the tiny particles could cause respiratory problems or skin diseases, and could affect the thousands of people crammed into evacuation centers.
Also on Dec. 22,
CNN reported that "tens of thousands of people have already fled their homes. More than 9,000 families -- a total of 44,394 people -- are being housed in evacuation camps after authorities raised the alert status of the country's most active volcano" as "fountains of red-hot lava shot up from the intensifying Mayon volcano."View this site car shipping
Off-Duty Day for New Expanded Crew
Image above: Wearing festive holiday hats, the Expedition 22 crew speaks with officials from Russia, Japan and the United States. In the front row are Flight Engineer Maxim Suraev (left) and Commander Jeff Williams. Behind them, left to right, are newly-arrived Flight Engineers Oleg Kotov, T.J. Creamer and Soichi Noguchi. Credit: NASA
Following the arrival of the three new Expedition 22 crew members Tuesday, the crew aboard the International Space Station had an off-duty day Wednesday.
The crew members spent most of the day sleeping due to the late finish of the docking activities.
NASA astronaut T.J. Creamer, Russian cosmonaut Oleg Kotov and Japan Aerospace Exploration Agency astronaut Soichi Noguchi docked with their new home at 5:48 p.m. EST Tuesday. The trio launched aboard the Soyuz TMA-17 spacecraft at 4:52 p.m. Sunday from the Baikonur Cosmodrome in Kazakhstan.From inside the station, Commander
Jeff Williams and Flight Engineer Maxim Suraev monitored the approach of the Russian spacecraft as it docked to the Earth-facing port of the Zarya module.After completion of leak checks, the hatches between the two vehicles were opened at 7:30 p.m. Williams and Suraev, who arrived at the station Oct. 2 aboard the
Soyuz TMA-16, welcomed the new Expedition 22 flight engineers aboard their orbital home for the next five months.Creamer, 50, is making his first flight into space. Selected as an
astronaut in 1998, Creamer was a support astronaut for the Expedition 3 crew and worked with hardware integration and robotics.Kotov, 44, is making his second
spaceflight, having previously served six months aboard the station as an Expedition 15 flight engineer in 2007. Kotov will be a flight engineer for Expedition 22 and assume the duties of Expedition 23 commander when Williams and Suraev depart in March 2010.Noguchi is making his second spaceflight. He flew on the
STS-114 return-to-flight mission of Discovery in 2005 and conducted three spacewalks totaling more than 20 hours.› View imagery of Expedition 22 docking
<!--Research in Space: Facilities on the International Space Station
The International Space Station is the first step in exploration, from research and discovery, to international cooperation, to commercial development, and to exploring beyond low-Earth orbit. This booklet outlines our ISS research capabilities and potential as we usher in this new phase of on-orbit research.
NASA Publishes Report about International Space Station Science
Advances in the fight against food poisoning, new methods for delivering medicine to cancer cells, and better materials for future spacecraft are among the results published in a NASA report detailing scientific research accomplishments made aboard the International Space Station during its first eight years.
The report includes more than 100 science experiments ranging from bone studies to materials research.
2010 International Space Station CalendarNASA is offering a 2010 calendar that describes the work being done on the International Space Station and gives information about the crews that have lived there. The calendar contains photographs taken from the space station and highlights historic NASA milestones and fun facts about the international construction project of unprecedented complexity that began in 1998. (Note: In order to print the document correctly, please select the two-sided print option in your printer dialog box)
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Undergraduate Students Fly High for Weightless Science
NASA has selected 28 undergraduate student teams to test their science experiments in simulated weightlessness. The teams were selected to fly in the summer of 2010 with NASA's Reduced Gravity Student Flight Opportunities and Systems Engineering Educational Discovery (SEED) programs.
Selected teams will test and evaluate their experiments aboard an aircraft modified to simulate a reduced-gravity environment. The aircraft will fly approximately 30 roller-coaster-like climbs and dips during experiment flights to produce periods of weightlessness and hyper-gravity ranging from 0 g to 2 g.
"Today's students will be the ones going to the moon and beyond to live, explore and work," said Douglas Goforth, the Reduced Gravity Education Flight Program manager at
NASA's Johnson Space Center in Houston."This project gives them a head start in preparing for those future ventures by allowing them to conduct hands-on research and engineering today in a unique reduced-gravity laboratory."The Reduced Gravity Student Flight Opportunities Program provides a rare academic experience for undergraduate students to propose, design, fabricate, fly and evaluate a reduced-gravity experiment. The overall experience includes scientific research, hands-on experimental design, test operations and outreach activities.
Teams selected to participate in the Reduced Gravity Student Flight Opportunities Program are from Utah State University, San Jacinto College North, the College of New Jersey, State University of New York at Buffalo, West Virginia University, Purdue University, Yale University, Austin Community College, the University of Washington, the University of Wisconsin at Madison, two teams from Embry-Riddle Aeronautical University, and two teams from the University of Michigan. Teams also may invite a full-time, accredited journalist to fly with them and document the team's experiment and experiences.
Teams selected to participate in the
SEED program will work with NASA scientists, engineers and researchers on systems engineering projects that use a reduced gravity environment to test spaceflight hardware, spacecraft components and spaceflight procedures. Each team is assigned a NASA principal investigator to help prepare their experiment for flight. The SEED teams also will participate in at least two videoconferences through NASA's Digital Learning Network to work with other engineering and agency organizations.The
SEED teams for 2010 are from Washington University, Massachusetts Institute of Technology, the University of Wisconsin, Auburn University, the Ohio State University, the University of Nebraska, the University of Toledo, Carthage College, Yale University, the University of Kentucky, the University of Colorado, and Boise State University, from which two teams were selected.Under these programs,
NASA continues its investment in the nation's education programs. It is directly tied the agency's education goal of strengthening NASA and the nation's future workforce. Through this and other college and university programs, NASA will identify and develop the critical skills and capabilities needed to carry out its space exploration mission.The flights are provided in cooperation with the
Reduced Gravity Office at NASA's Johnson Space Center. For more information about the Reduced Gravity Education Flight Program or to view abstracts of the selected team's experiments visit:http://microgravityuniversity.jsc.nasa.gov
For more information about SEED, visit:
http://microgravityuniversity.jsc.nasa.gov/se
For more information about NASA's education programs, visit:
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Astronauts Aboard the Space Station Talk With Troops in Iraq; Brave Men and Women on Both Sides of the Holiday Hookup Are Far From Home
Some U.S. forces in Iraq will get the chance during the holidays to talk with two NASA astronauts aboard the International Space Station who also are far away from their families and friends. A 20-minute live video downlink will start at 8 a.m. CST on Dec. 29. The event will be carried live on NASA Television and streamed on the agency's Web site.
Station Commander
Jeff Williams, a retired U.S. Army colonel, and Flight Engineer T.J. Creamer, an Army colonel, will talk with U.S. forces while orbiting 220 miles above Earth. Service members will have the chance to talk with the astronauts about life on the station, their military careers and what it is like to live in space for up to six months. NASA Television will provide live coverage of the conversations, with video from aboard the station during the event. A video file will be available later in the day, with edited footage from both the station and the service members in Iraq.For more information on
NASA TV, including a schedule of events, visit: For more information about NASA and agency programs, visit:
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operation principle of motor
How motor works?
“Toxins”: the new evil humours
They say that everything old is new again and that is certainly true in the world of “alternative” health. One of the axiomatic premises of contemporary “alternative” health puts its believers behind the times … by approximately 500 years.
A fundamental premise held by believers in “alternative” health is that we are swimming in a world of “toxins” and those “toxins” are causing disease. Like most premises in “alternative” health it has no basis in scientific fact; makes intuitive sense only if you are ignorant of medicine, science and statistics; and speaks to primitive fears and impulses.
The preoccupation with “toxins” is a direct lineal descendant of the obsession with evil humours and miasmas as causes of disease. It is hardly surprising that prior to the invention of the microscope the real causes of disease went undiscovered. The idea that disease is caused by tiny organisms that invade the body is not amenable to discovery in the absence of scientific instruments and scientific reasoning. And it goes without saying that the same people who were unaware that bacteria and viruses cause disease could not possibly imagine chromosomal defects, inborn errors of metabolism or genetic predispositions to disease.
Instead, people imagined that diseases were caused by excess evil humours, substances that were named, but never seen or identified in any way accessible to the senses. It was recognized that some diseases were contagious, and in that case, people invoked the idea of “miasmas” that somehow transmitted disease.
Even religion got into the act. Rather than attributing disease to evil humors of miasmas, religious authorities often claimed that disease was attributable to evil demons or to sin itself.
These theories shared several important features. The evil humours, miasmas, etc. were invisible, but all around us. They constantly threatened people, and those people had no way of fending off the threat. Indeed, they were often completely unaware of the threat that was actively harming them.
Evil humours, miasmas, demons, etc. were put to rest by the germ theory of disease. That was the first big breakthrough in our understanding that each disease was separate and has its own specific cause. The search for causes has taken us beyond bacteria and viruses, through errors of metabolism and chromosomal aberrations, right down to the level of the gene itself. We now understand that tiny defects in individual genes can cause disease or can increase the propensity to a specific disease.
But fear and superstition never die and the “alternative” health community has used that fear and superstition to resurrect primitive beliefs. It is axiomatic in the “alternative” health community that disease is caused by evil humours and miasmas. They just don’t call it that anymore; they call it “toxins.”
Toxins serve the same explanatory purpose as evil humours and miasmas. They are invisible, but all around us. They constantly threaten people, often people who unaware of their very existence. They are no longer viewed as evil in themselves, but it is axiomatic that they have be released into our environment by “evil” corporations.
There’s just one problem. “Toxins” are a figment of the imagination, in the exact same way that evil humours and miasmas were figments of the imagination.
Poisons exist, of course, but their existence is hardly a secret, and their actions are well known. Most poisons are naturally based, derived from plants or animals. Indeed, the chemicals responsible for more diseases than any others are nicotine (tobacco), alcohol (yeast) and opiates (poppies).
Nonetheless, “alternative” health advocates persist in subscribing to primitive theories of disease. For those who have limited understanding of science, primitive theories apparently make more sense.
Hence the obsession with “toxins” in foods, in vaccines, even “toxins” arising in the body itself. The height of inanity is the belief in “detoxifying” diets and colon cleansing. The human body does not produce “toxins.” That’s just a superstition of the “alternative” health community. The waste products produced by the human body are easily metabolized by organs such as the liver, and excreted by organs particularly designed for that purpose such as the kidneys.
“Alternative” health practitioners are nothing more than quacks and charlatans and their “remedies” are nothing more than snake oil. The fact that anyone in this day and age still believes in such crackpot theories is a tribute to the power of ignorance and superstition.
Evil humours and miasmas have not died, they’ve been reincarnated as “toxins.”
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Pressure Control Valve Parallel Operation
Hello guys,
i wana know why pressure control valves are connected in parallel for the inlet of veritcal vessel,during the HAZOP of this section there were a debate on the issue but due to lack of control phlosophy it was a little difficult to get clear answer.
jsut i wana any one e
PCV:Why Pressure Control Valve are Connected in Parallel
Hello guys,
i wana know why pressure control valves are connected in parallel for the inlet of veritcal vessel,during the HAZOP of this section there were a debate on the issue but due to lack of control phlosophy it was a little difficult to get clear answer.
jsut i wana any one e
What Type of Joint for Sheet Metal?
Hai everyone,
I tried to make a box out of 3mm MS sheet, with 2 of its ends(opposite faces)) open. Faces are open so that i could make an inlet & outlet. But my problem is ; i am using this box for a sachet delivering system.The flow of the sachets should be smooth, so that i can
Vortex breaker
A vessel has a boot of 3' ID and 11' height. The outlet is from the cylindrical surface and not at the boot bottom. The outlet is located 1' from the boot bottom. The liquid level is filled completely 100 % in the boot. Is there a chance of vortex formation and is there a necessity of vortex brea
Tales of Holiday Techno-Failure [Holiday Horrors]
Is it any surprise that when I asked a bunch of Gizmodo readers to share their holiday horror stories, you guys sent in tales of frozen cameras, techno-challenged dads and—yes—porn-filled PS3s?
Frosty the Frozen Nikon
A fellow who goes by Skunkabilly sent his pictorial tale on Flickr, which documents a camping trip to Monument Valley and the miserable story of a D90 which froze up—literally. Apparently the poor camera was set up outside the tent in an attempt to capture one of those gorgeous swirling-star slow exposures of the sky.
I've lived in Southern California my whole life, so I don't really understand how this whole cold and frost thing works.
When he woke up, his precious DSLR was covered with frost. "What the crap is this?" he asked himself. "Ahhh, yes. All hail Frosty the Nikon!" He tried to thaw his camera on the engine block of his Subaru, but ultimately decided to take it inside the car. Sure, it fogged up on the inside for a bit, but it was fine eventually, and the rest of the trip was smooth.
The part that caught our attention though? Skunkabilly ended the tale by saying, "Hopefully I won't rappel into a pool and drown it to death like I did with my D200." Yikes! Sounds like there's a history of gadget abuse here.
How the Phone Guy Saved Christmas
Marte, better known as infmom, sent in this photo from 1961. It's Christmas morning, and she and her brother are admiring the elaborate electric train set their father had bought and built for them. Only that fact in itself was mysterious, as their father "could barely change a lightbulb."
Marte explains that, to his dying day, her father referred to record players as "Victrolas" and refrigerators as "iceboxes." Not so much Luddite as someone who didn't usually get involved with the technical processes of the household, he decided that year to break the trend, and get constructive.
A few days before Christmas, Dad brought home the train set and the plastic scenery and the controllers and a bunch of wood and nails and smuggled all the stuff into the basement through the outside door and told us to stay out of it. He borrowed a hand saw and a hammer from the neighbors and set to work trying to build a table to put the train set on. Including sawing a sheet of plywood to size. With a hand saw. Laid across our basement coffee table, which was a hollow core door on legs. When my mom heard the language coming from the basement she told us to stay way away from it.
Though his effort to this point was valiant, the electrical engineering—and a certain amount of required drilling, for which he lacked a drill—did him in. Still, on Christmas morning, the train set was up and running. How?
We were thinking some kind of miracle had occurred, until our mother told us that later that day we were to go over and thank our neighbor, who worked for the phone company, for responding to Dad's late-night cry for help.
Marte thinks that's the point where she vowed to grow up learning how to fix things herself. And considering that she's lurking around Lifehacker and Gizmodo, odds are that she did. I feel bad for her father though. While Marte and her brother got to enjoy their gift, to him this must've been a genuine holiday horror.
Floppy Disks Sold Separately
We've heard of coal in the stocking, but Jeff's story sounds worse. One Christmas, he hit the jackpot, scoring not just a cool RC car, but a set of Crazy Bones figurines too. So the next Christmas, he was reasonably quite excited:
I used to love sleeping by the fireplace at night, right next to the Christmas tree. Every season, I would do this with my little brother, and fall asleep to the warm glow of the fire, and wake up in the morning with presents all around us. I went to sleep too giddy to even imagine what I was going to receive the next morning.
I awoke to the sound of wrapping paper crumpling around me, as I stared at two of the biggest packages I had ever seen. I immediately started shredding the paper [the first one] was wrapped in, like a hungry wolf digging into its prey. What did I uncover? Two brand spankin' new... comforter and blanket sets. [And in] the smaller package next to it? A 100-capacity floppy disk lock box.
Sadly, he did not even receive any floppies to put inside it.
Photo by alliet
Son, You Can Play With Your Toys When I Sell You the Batteries
Luckybob343 grew up in the '80s, a time when "Christmas wasn't Christmas without a remote-controlled, battery-operated something."
The trouble was, Santa brought all the cool electronic toys but he never brought any batteries. Those we had to buy ourselves, but in our house we could only buy batteries from my dad's independent electronics store.
Sure, sounds nice to keep it in the family, but there were two catches: First, his dad bought hisbatteries in bulk from Walmart, and jacked up the price by $2 per pack. And second, Luckybob's dad's store was closed from Christmas Eve until January 2nd.
Come the new year, we'd fork over three weeks of allowances over to my dad to get to play with our toys one week after we got them.
Luckybob finally got some revenge though. This year, he got a multi-instrument weather station that he knew his dad had been eying, and he took out all the instructions except the ones written in French.
Photo by cosmic tito
Porn in the PS3
Jose was happy to return home after finishing Navy boot camp last Christmas. Most of his family members, from age one to age 65, were gathered at his house. There his step-father had recently installed a 50-inch plasma TV and all the gaming console goodies that should go with it, including a PS3.
One of my little cousins wanted to play the PS3 so he turned it on and a porno came on. Everyone's mouth just dropped to the ground. My sister quickly turned it off but it was too late.
Jose told us that about 25 dear family members heard and saw what was likely a film by the Bang Bros. Everyone stared down his step-father, giving him "the look of shame." Some family members left because of it, and are pretending Jose's step-father doesn't exist. Needless to say, his mom had to throw out some DVDs. There is a silver lining, though: "We are having the Christmas eve party at my aunt's now!" Yikes.
Photo by me vs gutenberg
You Name the Winner
So, who wins the pizza? Each story has its own particular charm (and nastiness), so we thought we'd put it to a vote. Have at it, and by the end of Christmas Day, whoever has the most votes on this baby wins.
Which of these stories deserves a pizza?(survey)
How to Make the First Move [Data]
You just saw a cute girl. How do you approach her? Do you follow her on Twitter in hopes of catching her attention? Friend her on Facebook? Get her number and call? This chart will help you decide.
You can click on the image for a closer look.
Yeah, the message is something you probably already knew: Stick to the old-school stuff. Get her number, call her up, go out for some ice cream, and see what happens. Then again, you never know, you might get the same result through Twitter. I'm not really here to judge, the chart is. [SF Weekly]
Climate Scientist — Change Occurring Faster
This is not the “change” we wanted to believe in. This is the kind we could live without.
Earth Focus Interview: Michael McCracken
Michael McCracken is chief scientist for climate change programs at the Climate Institute. He discusses important new findings of the recent UN Environmental Program (UNEP) report, which illustrates how climate change is occurring faster and on a larger scale than predicted by the IPCC in 2007.
The most dramatic example is how sea ice is melting much more rapidly than initially projected. The report suggests that sea levels will rise an additional three feet due to melt from Greenland and Antarctica.
On another front, MacCracken claims that China has been successful in cleaning the quality of their air. I don’t believe it. due to a recent photo essay I’ll post tomorrow.
Read More at LinkTV
How to configure the drive is 4 quadrants?
Dear Friends,
I have an old DC drive for 94KW for which I want to configure if it is a single quadrant drive or four quadrants? The drive has 6 thyrister modules and four control wires are coming out from each module. It seams like each module contains two thyristers and thus a 4 quadrants dri
Here’s the Final Space Shuttle Mission Patch []
The shuttle is retiring next year and, according to NASA, the remaining five flights may be the most difficult ever flown. That's why they created this contest for the final space shuttle patch. One of these will be the winner:
Among other activities, they organized the final mission patch contest to make NASA employees more involved and concentrate on the missions ahead. The entries—a total of 85—were created by all shuttle program members, from technicians to astronauts. Fifteen of these will go into a voting web page, where NASA employees would be able to vote. The favorite—although this could be vetoed by NASA's top brass—will be the final mission patch. My bet is hidden in the gallery, but looking at it, it's clearly perfect NASA patch material. [Collect Space]
guidance for designing hydraulics systems
we are in final year undergraduate course in Mechanical engineering we have been given a project to design a system to move a pedestal according to input distance .we planned to make use of hydraulics system to move the pedestal since we have only basic knowledge of hydraulics systems we would b
End Caps SF & Knuckle Radius
Friends,
How to Calculate the Straight Face Length & Knuckle radius of an End Cap.
In B16.9 Code, found only the Dia & Length of the Weld Cap. But can't find the SF & Knuckle radius.
Please reply me soon about how to calculate Sf & Kr..
Christmas Cars and Diecast Dreams
Hot rods make occasional appearances in the world of diecast, but it seems the large majority of diecast collectors like to see factory-built vehicles.
Rick Hanmore of Danbury Mint, however, has a background in scratchbuilding models, and his creativity just couldn't be contained by th