Gas Turbine Engines! They’re the honeypots of any propulsion course. You’d need a book to cleverly explain the clockworks behind that thing! Because it’s much much more than what you think it is. It’s not just a machine that sucks-air, spits fuel, burns, and farts-gas. Inside that beautiful casing, goes an exotic molecular dance. In order to understand this nightmare, firstly you need thermodynamics. Then, as you get deeper and deeper, aerodynamics comes in.
Now, I’m not gonna explain this in the usual way, dealing with each & every component, speaking technically, and all – Nope! Today, we’re gonna see what’s (more or less) going on inside this engine (turbofan engine, in our case). I’ve come up with a bunch of analogous thermodynamic stuff (pretty basic ones) which can help in visualizing the components of the gas turbine. But, we need to have a look at our key ingredients before we get inside.
I guess I’ve already told you about my aerodynamics professor when I talked about my newly found way of memorizing. But, that’s history. It happened during the last semester, it makes use of low speed flow. This time, it’s high speed!
So, today we had our usual aerodynamics class. As usual, I was reading my “Classical Mechanics” book (Well, I don’t feel comfortable taking notes during classes of these kind). Soon, three of us got bored. Our professor is well-known for his amazing habit of copy-pasting stuff (equations & derivations go to the blackboard, paragraphs & history spills outta his mouth, often with the question, “Right?”) – from books like “Fundamentals of Aerodynamics” (by J.D. Anderson – last sem) and “Gas Dynamics” (by E. Radhakrishnan – going on now).
Within a few minutes since the start of his class, we started observing the same “thing”, inferred his activity, smiled at one another, and converged on the same idea…
Yesterday, I got to pay a visit to IIT, Chennai. You do remember my first rant, don’t you? The lords of my state, students are racers, just memorizing the formulas and methods, so & so… Well, you should read it once. I’m sure it’ll be interesting…
Reality sucks! (at least for me-like people who have their souls hard-wired into their laptops).
That’s what the last 5 months taught me. Starting from the last semester, through the vacation (when nature betrayed me), all the way down to college, those amazingly painful sequence of events, events that completely transformed me into an introvert (I already am, but that’s only 67%)
What if you’re under the obligation to do some stuff? Things that you don’t wanna do! Things that you aren’t supposed to do… Things that you aren’t destined for! We can’t always go along the curve, can we? There are perturbations (there should be!).
But this time, it went far worse – it just pushed me ahead of the curve…
I feel kinda unlucky over the past two months. Diluted dialup, relocation, exams, I was constrained. Well, that explains why I wasn’t active for a while. Even after this disaster, this “brain” just can’t give up screwing the computer.
I assaulted Python in those days. I was coding. If you haven’t got into Python, trust me. You should get started. It’s a stunning pseudocode-like high level language. That means, you can take any Python code, and start reading. It’s that easy! On the other hand, it’s powerful. It can do a great deal of things that goes beyond storytelling…
Okay, the subject I got interested in lately, was encryption. In the gigantic universe of computing, there’s a galaxy called cryptography. What the species lying there do, is what we’re going to talk about today.
What if I tell you that encryption lies all around us geeks? What if it’s been protecting your money, reputation, status in this computing universe all the time? From money transfers to online payments, from GMail to Facebook, from the boring WiFi routers in your college, to NSA’s top-level secret information, everything uses encryption!!!
The Indian general election 2014 is gonna happen tomorrow. I, as a citizen should participate in the voting day. As a matter of fact, this is my first vote. I (for various reasons) don’t wanna get back to my hometown (which is at the southern tip of the country) to push a button, until now!
Today morning, an advertisement (I can’t get a link on that!) inspired me. Some citizen plans to go to US on the voting day. When the booking lady questioned, he says, “What difference would I make?”. The lady responds, “If you can’t make a difference in our country, how can you make a difference abroad?”
This really impressed me.
So, I’m gonna visit my hometown, push the button, and come back! And, I’ve made something to cheer up the voters. You know, contribution. Like I said, this ad has really influenced me…
I should’ve written this a while ago, when I understood the inner workings of this stuff. But well, I believe that it’s never late to teach something. So, here goes…
I wasn’t aware of these stuff until lately…
I rote-learned vector calculus during my second semester, when I was doing nothing but complaining all the time about the crappy system we have in our college. (ehm, you can always skip my history)
I had to swallow things like curl, divergence, gradient, and theorems from Gauss and Stokes’, etc. and loss-lessly vomit in the exams. That time, I wasn’t even aware of the elegance of these operations, nor did I understood the working of vectors (things which defined symmetry, and gave an ingenious touch to the physical laws).
When I first learned Electromagnetism, I was unable to see the physical significance of Maxwell equations (I’m a geek who loves to gather knowledge, provided that I’m really able to comprehend its physical significance quite satisfactorily). Moreover, as a terrific lover of Physics, I’ve always learned things (whatever that is!) conceptually.