Ramani Aswath
@ramani-VR4O43 Member
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#Threads
Coffee Alternatives that are better for Productivity
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Recent contributions
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Moving house is common. Moving a 6,200 Ton Building?
An amzing feat of moving an entire 122 year old building, the Machine Factory Oerlikon building in Zurich, by 60 metres foundation and all is on....
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Self cleaning surfaces - Candle Soot coating sheds both warter & oil
Amphiphobic - Repelling both oil and water is the remarkable property of this nano material film devloped by researchers at the Max Planck Institute for Polymer...
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How many cubes are on the trailer?
The only solution that is consistent with the three drawings seems to be one cube located at centre left in the top view. The red square...
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In a room of 100 people, 99% are left-handed. How many people need to leave to bring it down to 98%?
50 lefties have to leave. The lone right hander should not leave. That leaves 1 RH and 49 LH. That gives (49 LH/ 50 total)x 100...
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Answer: You have been given an elephant ... What would you do with the elephant?
The elephant is a vegetarian. No significant carbon emissions. 3D print a properly designed Howdah for a mobile office. Power pack can hang between the legs.
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Raspberry Pi Zero Guitar Pedal
Pedal-Pi is a lo-fi programmable guitar pedal that works with the Raspberry Pi ZERO Board. The project is totally Open Source & Open Hardware and made...
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Want to start on Robot Automation? A Beginner's Tour Webinar on 16th August 2018
Quote:In this webinar you will receive a step-by-step guide on how get started with robotics in automation and the key aspects to consider.From assembly and pick-and-place...
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Who is an Engineer? You are if you do order of magnitude calculations
What differentiates an engineer from a scientist? Both study the same principles. Often the same text books. The former is hands on, off the cuff, quick...
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Magnetic Gears are the new Attraction to Wind Energy harvesting
Quote: Bad things can happen when the mechanical gearbox in a megawatt-scale wind turbine gets overstressed. An unexpected wind gust can drive turbine blades hard, so...
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question for Radiation techs
Dark glasses attenuate visual radiation, ear muffs attenuate acoustic radiation. Likewise various shields can attenuate various radiations. Depends on the type and wavelength.
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Whats Ohms law equivalent in magnetic fields?
I am unaware of an equivalent law. Maybe Ampere's law relating Magneto motive force to the number of turns in a coil and the current can...
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Orient Cloud 3 Fan with CloudChill Technology : Better than AC/Cooler?
Most experts agree that air for breathing should be between RH 40 to 70%. Higher humidities can lead to problems , especially for asthmatics. Even for...
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Two questions about heat exchanger
I feel that 200,000 is pretty high. In any case friction factor for 10,000 to 100,000 does not vary much. The drawing shows individual fins and...
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Orient Cloud 3 Fan with CloudChill Technology : Better than AC/Cooler?
There is no technical difference between this and the desert cooler. Both work on the same principle water removes 0.56 kcal of heat for every gram...
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torque multiplication
<a href="https://www.societyofrobots.com/mechanics_gears.shtml" target="_blank" rel="nofollow noopener noreferrer">How to Build a Robot Tutorials - Society of Robots</a> #-Link-Sni...
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What do biomedical engineers do on a daily basis?
In the hospital context, they maintain all healthcare systems, equipment, gas supply systems and such. They do not take part in actual clinical procedures. They work...
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Zinger - World's Lightest Electric Wheel Chair
No this is not a medical device. Hence posted here. Quote: At 38 pounds, it’s the worlds lightest folding chair... that can take you 8 miles...
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Chris Guillebeau and The $100 Startup are in Bangalore 7PM 3/12/2012
Durga, ET, really missed meeting up. Why not you two write up a more detailed piece for us all for the news category. You may trigger...
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Can an engineer become a doctor?
I had a classmate in Chemical Engineering at Andhra University back in the late 1950s. He passed out , went to USA and became a good...
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nyone interested in The future world of engineering - skills
A recording of the session: Panel session recording: The future world of engineering skills and careers https://www.theengineer.co.uk/content/videos/panel-session-recording-explori...
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nyone interested in The future world of engineering - skills
Register now for The Engineer UK organized free December 6th online panel session exploring what the current era of profound technological change means for engineering organisation...
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Will a New Motorcycle Lighting Design Could Save Lives?
According to the NHTSA (National Highway Traffic Safety Association, USA), motorcycle drivers are more than 25 times more likely to die in an accident than standard...
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What should we work on next?
If the discussions are ongoing, it may be helpful for such to be upfront.
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Chemical that keeps mineral water chilled for long time
Why don’t CEans do some very basic thermal calculations? They will then know that this is theoretically impossible.
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What Are 20 of the Top Tech Companies Paying Engineers?
Design News reports: Jobsite, <a href="https://www.glassdoor.com/index.htm" target="_blank" rel="nofollow noopener noreferrer">Glassdoor Job Search | You deserve a job that loves...
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“Deepfakes” are here, now what?
Mozilla says: In a 2018 video, Barack Obama looked into the camera and warned:“We’re entering an era in which our enemies can make it look like...
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5 of the Best Free Software Stacks for AI Development
Design News says: Advances in artificial intelligence (AI) and machine learning (ML) have had a significant impact on the industrial, consumer, automotive, and entertainment market...
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Salto jumps at complex tasks with new control systems
The Engineer (UK) reports: In work being carried out for the US Army, Salto – saltatorial locomotion on terrain obstacles – has been modified for extra...
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Amazing (albeit bombastic) speech by Netanyahu at Washington DC
<a href="https://www.dropbox.com/s/qfje2vosl98gvdu/VID-20190529-WA0000.mp4?dl=0" target="_blank" rel="nofollow noopener noreferrer">Dropbox - VID-20190529-WA0000.mp4 - Simplify you...
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How To Create A Career - Darius Foroux
Darius asks: You and I both know that a fulfilling career doesn’t come for free. The price is hard work and effort. I’m willing to pay...
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10 Breakthrough Futuristic Military Technologies to Watch
Design News reports:#-Link-Snipped-#
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Pune or Indore - Best city to study engineering?
What’s wrong with Pune? You will know on CE that the best place for engineering is inside your own head.If you have a hankering for it,...
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Boolean algebra. Need help please
#-Link-Snipped-#<a href="https://www.google.co.in/search?q=nptel+boolean+algebra&ie=UTF-8&oe=UTF-8&hl=en-in&client=safari" target="_blank" rel="nofollow noopener noreferrer">nptel...
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Are you prepared for the new Groups + Discussions merger?
Suppose a post put up in general category also has a special group relevance (happens often) can the poster have an option to classify it under...
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The Future is Bright: Sights and Sounds from ISEF 2019
Machine Design says: Senior Technology Editor Bill Wong made the trip to the Intel International Science and Engineering Fair in Phoenix, which attracted over 1,800 top...
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What should come in the place of question mark? Can you find the pattern?
B 14, I think.Subtract 1 from each peripheral number and multiply all.(4-1)x(3-1)x(5-1) = 3x2x4 = 24(3-1)x(7-1)x(2-1) = 2x6x1 = 12So, (8-1)x(3-1)x(2-1) = 7x2x1 = 14
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15 Puzzles That Will Keep You Up All Night
World Industrial Reporter has this:#-Link-Snipped-#(Tried posting on puzzles group. Could not open the dialogue box. Hence here)
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Braided frame keeps very light rail on track
Engineer (UK) says:Â The frame, which is weaved, or braided, from carbon fibre composites into a series of tubes that can be easily fitted together, has...
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Engineering expertise is a powerful communication tool. Do we use it?
Engineer (UK) says: Engineers solve the world’s most complex and important problems. They should use that expertise in their marketing, says David Lewis, director of Me...
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What are the best open innovation platforms/communities for engineers?
Two (best or not) are:Engineers Without Bordershttp://ewb-international.com/Engineering World Healthhttps://www.ewh.org/
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The Best Free Apps and Software You're Not Already Using
Disclaimer: No idea about any of these. For what it is (if it is) worth:<a href="https://gizmodo.com/the-best-free-apps-and-software-youre-not-already-using-1834792226" target="_bl...
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Five essential business skills for engineering entrepreneurs
Ana Avaliani of the Royal Academy of Engineering discusses why it is critical that we close the business skills gap to drive engineering enterprise.#-Link-Snipped-#
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A deeper look into NERA – the world´s first fully 3D printed E-Bike by NOWLAB
Engineer(UK) says: BigRep unveiled the NERA E-Motorcycle on November 13, 2018 at Formnext and it went viral!Now let’s take a deeper look at how the world’s....
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How do I calculate the future cooling demand
Since it is a green house, solar radiation will be the maximum load, added to this will be the 1700.05 kW from lighting. The peak worst...
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How do I calculate the future cooling demand
Just what I suspected. Then the roof is probably glass, maybe tinted, which will reduce the transmitted solar wattage. Greenhouses are used when the outside ambient...
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Five-seater electric air-taxi lifts off in Munich
Engineer (UK) says: German startup Lilium has completed the maiden flight of its all-electric air-taxi, a five-seater VTOL tiltjet capable of covering 300km in 60 minutes.#-Link-Sn...
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How do I calculate the future cooling demand
What is this total area of 7700 m^2? Floor area? Area of walls plus floor plus roof.It is impossible to get any meaningful figure unless one...
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Will a load below the fatigue limit cause breakage on a piece of immobile iron?
At ambient temperatures and stress levels well below the yield stress there should be no relaxation in a truly elastic material.In some old churches in Europe...
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How do I calculate the future cooling demand
Thee are too many loose ends in the description. If the total area is 7700 m^2, it cannot all be in one plane. The biggest heat...
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What is mean by MIG in electrode
I am guessing. MIG may refer to Metal Inert Gas welding. Consumable electrodes are used for this.#-Link-Snipped-#
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Will Blockchain handcuff the hackers and cut corruption?
If the above can happen as suggested by 'Electropages', Blockchain will be blocked by most governments.<a href="https://www.electropages.com/blog/2019/05/will-blockchain-handcuff-h...
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A truly CE idea: Put out a fire in space by vacuuming it
Tech Briefs says:Researchers from the Toyohashi University of Technology in Japan have developed a new type of fire extinguisher that is optimized for space-use and does...
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Stress relaxation limit for steel
Stress relaxation is more applicable to viscounts-elastic material like glass, polymers and composites.Steel, within the elastic limits at ambient temperatures, is quite unlikely t...
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Will a load below the fatigue limit cause breakage on a piece of immobile iron?
Consider this. The bottom portion of the column has been under more than 5 tonnes compressive load since 402 AD. However, it is only 5 kg/sqcm,...
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Will a load below the fatigue limit cause breakage on a piece of immobile iron?
Creep happens at a higher temperature. Nothing much happens at ambient temperatures.Here is a description of the famous iron pillar at Delhi built in 402 AD,...
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Will a load below the fatigue limit cause breakage on a piece of immobile iron?
Creep is another process that can cause problems in certain metals even when they are stressed well below their yield strength. In the case of iron...
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Will a load below the fatigue limit cause breakage on a piece of immobile iron?
Not likely. However, stress corrosion cracking is possible in such cases.#-Link-Snipped-#<a href="https://en.wikipedia.org/wiki/Stress_corrosion_cracking" target="_blank" rel="nofo...
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How to remove water from liquid digestate?
My apologies. Sea water has nearly 3.5% salt not 1%, almost the same solid content as the residue you are looking at.
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Internship at BHEL for second year biomedical engineering student
Where are you doing your biomedical engineering studies?Aravind eye hospital in Puducherry does some amount of biomedical research related to sight. Have you checked out if...
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How to remove water from liquid digestate?
In my opinion the solar open pond evaporation process used for salt from sea water ( solid content about 1%) can be applied to this. It...
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Why does a motor take 1 ampere when current passes through auxiliary contacts, whereas it takes 10 ampere?
In a single phase motor, W= VxIx cos(phi).Full load current of a 1 hp induction motor will be about 8 amps taking into account power factor.You...
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Why does a motor take 1 ampere when current passes through auxiliary contacts, whereas it takes 10 ampere?
The question is not clear. A sketch of the circuit may help.
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Learn The Entire Python Language In A Single Image
The only pythons I know of were some in my grandfather's farm and a huge one that I saw in Thekkadi sanctuary in Kerala. No idea...
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How to Write Email with Military Precision?
From Pocket: A few tips on how to craft emails to quickly and clearly relay messages and avoid miscommunication.<a href="https://getpocket.com/explore/item/how-to-write-email-with-...
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Classical Automation enters the Alien World of IT
DesignSpark says: In the first of a new series, Dr Volker de Haas, designer of the open source PLC/IPC Revolution Pi, explains the core differences between...
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The Best Space Movies of the Last 10 Years
Design invites: Take a look at how space has been portrayed in film over the past decade, from nonfiction movies such as First Man to space...
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Changing an Atom or Two of an Electrochromic Material Changes its Color
Machine Design says: A serendipitous discovery by a grad student at the Georgia Institute of Technology has led to materials that quickly change color from completely...
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How to create awesome PPT for seminar
#-Link-Snipped-# has given (without a PPT!) all that needs to be done.If the audience are peers, you can be technical all the way. If it is...
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Uses of slew rate or rise time.
<a href="https://ieeexplore.ieee.org/abstract/document/1084518" target="_blank" rel="nofollow noopener noreferrer">A model for slew-induced distortion in single-amplifier active fi...
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How to convert cable thermal losses [Watts] into enthalpy?
1 kwhr = 860 kcals 15 watts adds 13 kcals of heat in an hour. That much extra has to be removed by the cooling system.
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