tamilkamathaigal

Submerged Arc Welding or SAW is one of the most occurring arc welding process. It needs a electrode which may be solid of tubular. The electrode should be used in a continuous approach. It should be fed continuously. Ohhh ... for your kind information tubular electrode is the one which is flux shielded. The main feature of this welding is that – The weld and the arc area is protected from

Gas tungsten arc welding or GTAW is the same as tungsten inert gas or TIG welding. It is also an arc welding process. Here a non-consumable electrode is used. And most importantly - the electrode is made of tungsten. And this electrode helps to produce the weld. The weld area is protected from atmospheric contamination or oxidation by usually an inert gas. This shielding gas is generally

According to the amount of clayey matter they contain, the molding sands are classified as: 1. Silica Sand: 2. Lean or weak sand : 3. Moderately strong sand : 4. Strong sand : 5. Extra Strong sand (Loam sand) : Natural / green sand for casting : Natural sand is the one which is available from natural deposits. Only additives and water need be

Types of patterns: The following factors affect the choice of a pattern. (i) Number of Castings to be produced. (ii) Size and complexity of the shape and size of casting (iii) Type of molding and castings method to be used. (iv) Machining operation (v) Characteristics of castings Different types of patterns: The common types of patterns are: 1) Single piece pattern 2) Split piece

Dimensional analysis : Dimensional analysis deals with the dimensions of physical quantities. Dimensional analysis reduces the number of variables in a fluid phenomenon by combining the some variables to form non dimensional parameters. Instead of observing the effect of individual parameters the effect of non-dimensional parameters are studied. All physical phenomena is expressed in terms of

The burnout phenomenon in boiling can be expressed like this Before that please read The boiling regimes and boilingcurve In the Nucleate boiling region we saw the critical heat flux or the maximum heat flux. And we want more heat transfer and thus we have to heat the liquid further. But due to the some vapor covering the liquid cannot receive that heat as result the heater surface has

Boiling is a great means of heath transfer. Though it is a very much familiar form of heat transfer, its mechanism is still very confusing. The most important inventions in the field of boiling was done by S. Nukiama in 1934. Different boiling regimes Four boiling regimes are seen in the boiling curve. These are Natural convection regime Nucleate regime Transition regime and Film

Software The software is derived from my earlier LED cube, the charlieplexed version. Of course the "hardware layer" had to be changed, because physical control of the LEDs is different. But the rest is very similar. To add a bit more structure, I partitioned it into several files. There is the main routine (in LEDCube444.c), the file HWControl.c for low level hardware support and a collection

In fluid dynamics we have to solve problems which involves the use of Darcy-Weisbach friction factor f. Whether the flow is steady or transient we have to use it. If you try to solve this factor directly , much complexity is experienced. For circular pipes the problems can be solved using Swamee- Jain equation but for the other types it is really difficult. in these cases Moody diagram or Moody

Connecting the Electronics There isn't much, really. First, solder the microcontroller's socket to the perfboard, then the socket of the driver. I didn't use a socket for the driver initially, which I regretted later... Here is a schematic. If you do this in a clever way, there will not be too much effort in connecting the driver to the controller. Port B controls the common cathodes,