Computer components which get heated up quickly are the CPU, Hard drive, graphics card and all integrated chips related Components. These parts require a sufficient cooling mechanism within the computer. Cooling fans are the most commonly used devices for air cooling of computer components such as CPU, Chip sets, PSU, Hard drive and graphics card.
Cooling fan can be attached to the computer case, or attached to a CPU, chipset, PSU, hard drive or PCI slot. Notebook coolers comes in various sizes, which include 40, 60, 80, 92, 120, and 140 mm. Some large size fans in the range of 200mm to 240mm have started hitting the market in recent years.
The quantum of airflow generated by fans measured in cubic feet per minute (CFM), and the speed of rotation of the fan is measured in revolutions per minute (RPM). Fans with higher CFM rating, but produce less noise (measured in decibels) are preferred. Some fans come with an adjustable RPM rating to produce less noise when the computer does not require additional airflow.
The speed of the cooling Fan can be controlled manually, thermally, or by the computer hardware or by software. In the case of laptops and notebooks, if the cooling fans are not sufficient enough to cool the components, then a laptop cooler or a notebook cooler is used for cooling purposes. In this cooling is done by a cooling pad by active or passive cooling methods and rests below the laptop.
Active laptop cooling fans pass the air or liquid to take the heat away from the laptop quickly, while a passive lap cooler uses thermally conductive materials for cooling purposes. Laptop cooling fan speed can be adjusted manually or automatically on various models. On certain models, the fan runs at a fixed speed.
In passive laptop cooling, a conductive cooling pad allows for the cooling of a laptop without using any power. These "Pads" are filled with an organic salt compound, which absorbs the heat from the laptop. Thus the usage of cooling fans and cooling pads are extremely important to maintain the temperature within the allowable range. Once the heat crosses the allowable range, then it could result in a CPU or a hard drive crash resulting in a complete breakdown. Most commonly used home or small business systems uses fan cooling systems.
Some systems where the sound of the fans is a big hindrance come with heat sinks and convection cooling systems, where the noise produced is extremely negligible. Sometimes the motherboards would be completely immersed in liquid oil, which is an alternative to both cooling fans and heat sinks. Ionic wind cooling, which doesn't use any cooling fans or sinks are currently being researched by the researchers to find whether this technology can be used for cooling purposes.
Dienstag, 28. Dezember 2010
Freitag, 24. Dezember 2010
Use It For Your Own Health - Mobile Laptop Desk
Use it for your own health - mobile laptop desk Using a desktop computer is very comfortable as you can select a comfortable chair and rest your back while working. But, hours of sitting upright in one place can be quite boring and give your cramps too. There are times when you would like to squat on the floor or stretch your legs and work on the bed or on the sofa. To that extent, a laptop is very handy as you can choose where you want to work. But then, laptop also has its downsides.
You just cannot work for long hours on a laptop. Firstly, your wrist starts developing cramps due to restricted movement and secondly, due to crouching too much, your back can start complaining too! Such complaints are becoming more and more frequent with youngsters too and well, orthopedic doctors and physiotherapists are benefiting financially!
One way of solving this problem and preventing musculoskeletal ailments in future, would be to acquire a mobile laptop desk and positioning the laptop on it, to your comfort and ease of use. A laptop is called so because of its portability and not because it has to be placed on you lap while working!
A laptop mobile desk is designed in such a way so that you may place your laptop at an angle that is suited for easy working as well as to prevent your back from straining too much. Being devoid of any hassles, such desks are worth their price considering the benefits they have on your health. There is no point in postponing the purchase of a quality mobile laptop table since by delaying to get one; you are not doing any favor to your aching neck, back and wrists.
The ergonomic design of a mobile laptop table is the result of careful study, research and user-friendly concepts. The choice is yours, whether you want to go in for a simple mobile laptop desk, swivel kind or other elaborate models with many variants. Whatever you buy, please do so keeping your health condition, work demands and budget in mind.
You just cannot work for long hours on a laptop. Firstly, your wrist starts developing cramps due to restricted movement and secondly, due to crouching too much, your back can start complaining too! Such complaints are becoming more and more frequent with youngsters too and well, orthopedic doctors and physiotherapists are benefiting financially!
One way of solving this problem and preventing musculoskeletal ailments in future, would be to acquire a mobile laptop desk and positioning the laptop on it, to your comfort and ease of use. A laptop is called so because of its portability and not because it has to be placed on you lap while working!
A laptop mobile desk is designed in such a way so that you may place your laptop at an angle that is suited for easy working as well as to prevent your back from straining too much. Being devoid of any hassles, such desks are worth their price considering the benefits they have on your health. There is no point in postponing the purchase of a quality mobile laptop table since by delaying to get one; you are not doing any favor to your aching neck, back and wrists.
The ergonomic design of a mobile laptop table is the result of careful study, research and user-friendly concepts. The choice is yours, whether you want to go in for a simple mobile laptop desk, swivel kind or other elaborate models with many variants. Whatever you buy, please do so keeping your health condition, work demands and budget in mind.
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