What is complete combustion?

The term complete combustion generally is used in connection with the burning of hydrocarbons. Combustion is the process of burning that occurs when fuel, oxygen, and heat are simultaneously present. The result of complete combustion is the release of energy,carbon dioxide, and water vapor. If the hydrocarbon contains sulfur, sulfur dioxide also will be present. On the flip side, incomplete combustion results in some of the carbon atoms combining with only one oxygen atom to form carbon monoxide and other potentially harmful byproducts.

Usually, the combustion process is triggered by heating a hydrocarbon above its ignition temperature in an oxygen-rich environment. When the compound is heated, the chemical bonds of the hydrocarbon are split. The elements of the hydrocarbon then combine with the oxygen to form oxygen-containing compounds known as oxides. This rearrangement of hydrocarbon elements into oxides is accompanied by release of energy and heat.

Complete combustion occurs when the fuel and oxygen are in the perfect combination, or ratio, to completely burn the fuel. This condition also is referred to as stoichiometric or zero excess air combustion. On the other hand, incomplete combustion may leave some of the fuel unused.

Formula

What is combustion process?

Combustion means to burn. For the combustion process to take place, fuel, oxygen, and an ignition heat source are required to start a chemical chain reaction; in a campfire, for example, wood is the fuel, the surrounding air provides the oxygen, and a match or lighter can ignite the fire. Increasing any of these elements will increase the fire's intensity, while eliminating any one of them will cause the process to stop. If the campfire is smothered with water or dirt, for example, the oxygen can no longer get to the heat and fuel, and it goes out.

credit to: wisegeek

Updated DriveM7 products

This items will be coming out soon!! stay updates by visiting our facebook page #m7klang

DriveM7 Chuck Original Cap Version1

Side view

Cap version 2

DriveM7 Back Pack

DriveM7 Duffle Bag

DriveM7 Wristband

Get you Drive now!! "Energized your body and mind "

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Selamat Menyambut Tahun Baru 2013

Selamat Tahun Baru 2013. Layan gambar2 2012. Boleh melawat page fb #M7Klang. Tq for your support.

p/s: Ada suka ada duka didalam buku 2012. Ada insan-insan yg bikin taik dgn gua yg berlagak bagus tapi sebenarnya they are nothing. Tp xpe, ini hari lu kat atas. Blakang time lu kat bawah nanti lu sendiri rasa. Apapun semoga 2013 membawa pengalaman baru yang boleh ditimba demi mematangkan semua. 

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Meter Digital

Ingat dulu gua pernah post pasal meter digital? Pastu gua ada jual sebijik meter digital. tengok sini. So ada buyer beli & gua mintak dia snap masa pomen pasang. Amacam, cara x? ada geng la! Terbaik!!

Credit to the owner: Man

The future of synthetic oils

In past years, the goal of the automotive industry was to build bigger, faster and more powerful vehicles. That's changing in the twenty-first century, as the concern of consumers, governments, and industries is moving to increased efficiency and reduced emissions, especially in the U.S., Europe, and Japan.

However, make no mistake: Horsepower is still important. Modern engines are capable of putting out massive power, and the numbers are increasing (the Bugatti Veyron, for example, has over 1000 hp). But the question is becoming one of power density, or the need to build smaller, more efficient engines capable of increased power. That's one of the roles of lubricants going forward. High-quality synthetic oil can enable manufacturers to decrease the size of the oil sump required for the engine, run the engine at hotter temperatures and use turbochargers as well.

As cars move toward using alternative fuels, synthetic oil makers are shifting their scope. Electric vehicles, for example, might not need motor oil, but they come with lubricated bearings and any gearboxes would also need to be lubed. Even the power plant that generates the electricity that charges the vehicles will need industrial-grade synthetic oils for the moving parts of its machinery.

As the government mandates emissions improvements, oil manufacturers will have make significant investments to implement the necessary changes -- to the tune of tens of millions of dollars in research and testing. However, even as the future of the automotive industry remains a bit of a mystery, the future of synthetic oils seems assured.

source: how stuff works, wiki

M7 Booth At PWTC

Salam,

Sempena Perhimpunan Agong Umno di PWTC, pelbagai barangan M7 dijual pada harga promosi. Banyak barangan menarik. Jom Serbu!!



Lokasi : Pusat Dagangan Dunia Putra (PWTC ) - Tingkat 3

Booth No. : 193 (Sebelah Puteri Umno)

Tarikh : 27hb November - 2 Disember 2012

Masa : 10pagi - 10malam

Jumpa disana!!

Synthetic oils today

The motor oil market today operates on three levels. Mineral oils are considered good; blending mineral and synthetic oils is better; and purely synthetic oils are deemed as the best. There isn't a standard definition of synthetic oil in the United States: Some synthetic oils actually use synthetic oils as the base, while others use a highly refined mineral oil as the base.

The best synthetic oils are making only small advances these days, while the lower rungs of the motor oil ladder are improving quickly. The biggest differences are in the additives in synthetic oils. As an example, speciality motor oil company Royal Purple has found a way to increase the film strength of synthetic oil, which protects where metal contacts metal inside the engine.

Some of the advantages of synthetics include:

• ·         Better gas mileage
• ·         Longer times between oil changes
• ·         Better cold-weather starts
• ·         Ability to clean out sludgy deposits in the engine

There aren't many disadvantages of using synthetic oils, but they do exist. Synthetic oils cost around 6 to 10 times the price of conventional motor oils. To make matters worse, synthetic oils will clean out the deposits that may be holding a weak seal together. This could lead to an engine oil leak that may cause myriad safety problems and cost you a lot of money to fix as well.

While we're at it, we should bust a few synthetic oil myths:

·         You can't switch back to mineral oil after using a synthetic oil: You can switch as often as you like, with no harm done.

·         Synthetics are too expensive: They also protect an engine better and need to be changed less often, which may make the expense of the oil worth those few extra dollars.

·         Only high-performance and ultra-luxury cars need synthetics: Any car can use and benefit from synthetic oil's additives and longer time between oil changes.

·         Synthetics damage seals: "A synthetic oil won't create a leak," said David Canitz, technical services manager at Royal Purple, "but it will find any marginal seals due to lack of maintenance."

source: howstuffworks, wiki

Coming to Kuantan

Dear visitors,

Glad to inform you that we will visit Kuantan area this weekend to promote Drive energy drink. Those interested to buy please feel free to inform us via this contact:

Date: 

November 16th, 2012 (Friday) - November 18th, 2012 (Sunday)

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Whatsapp/sms : 012-3265687

Lets Drive!

What's new in synthetic oil technology?

Before we can tackle what's new in synthetic motor oil technology, we should first make sure that we know what synthetic oils are. Mineral or conventional motor oils come from the ground, like the stuff that bubbles up in oil fields from Texas to Saudi Arabia. On the other hand, synthetic oils are man-made. Each company has a proprietary process for creating these oils that they're not keen to disclose.

If there were two puddles of clean engine oil on the floor, one puddle of mineral oil and one puddle of synthetic, it would be almost impossible to tell them apart. As ExxonMobil technical advisor Kevin Chinn quipped during a phone interview, "You'd slip on both of them." If two vehicles at 10,000 miles (16,093 kilometres  past their last oil change were drained, though, the differences between the vehicle using mineral motor oil and the one using synthetic oil would be apparent: The mineral oil would be noticeably thicker.

Synthetic oils have been around for a while; Amoco sold one as early as 1929. During World War II, the Germans advanced synthetic oil technology when Allied forces strangled the country's oil supply. In the 1950's and 1960's, synthetic oil took off to meet the high-performance needs of fighter jets. Then, just as the fuel crisis of the 1970's took hold, Mobil1 synthetic oils that promised to increase fuel economy hit the passenger car market.

Despite the boost provided by the last fuel crisis, it took some time for synthetic motor oils to gain traction in the automotive market. The turning point came when auto manufacturers started to understand the benefits of synthetics -- such as fewer emissions and longer stretches between oil changes -- and recommended their use in newly built cars.

source: howstuffworks, wiki

The science of synthetic oils

The main difference between synthetic motor oil and conventional motor oil is found in their molecular structure. In a mineral oil, the molecules come from organic, natural materials, and as we know, nature isn't always consistent. There can sometimes be a few oddball molecules in mineral oils. Synthetic oils, on the other hand, were created by scientists in a lab. The molecules are uniform, and they line up like good soldiers inside of your engine.

There are three basic parts to synthetic motor oil:

• ·         The base oil
• ·         Performance additives, which come in powder form
• ·         The carrier oil that disperses those powdered performance additives throughout the base oil

There are a few terms that come up with synthetic oils that you should know:

1.    Viscosity Index: This measures the effect of temperature on oil viscosity, or the oil's thickness and ability to protect the engine. When oil is heated, it becomes thinner; when it's cooled, it becomes thicker. If the oil is too thin or too thick, the oil can't do its job properly. A high viscosity index means the oil doesn't change too much, no matter what the temperature inside the engine may be. In a perfect world, the viscosity of the oil wouldn't change at all and would provide optimum protection under any conditions.

2.    Total Base Number: The "base" in this context is the opposite of "acid." The total base number measures the oil's ability to withstand acid build-up in the engine.

3.    NOACK Volatility Number: Volatile compounds are unstable and tend to vaporize when exposed to heat, and this test measures that tendency. As temperatures rise, smaller molecules vaporize, leaving behind larger molecules that can make oil more sluggish and less viscous. The lower the NOACK volatility number, the better; it means there are fewer molecules being lost, which means fewer top-off's at the local lube shop.

In all of these tests, synthetic oils perform better than their mineral oil counterparts, thanks to those uniform molecules. Sure, lab testing's great, but how do these oils perform in the real world? Let's explore more!

source: how stuff works, wiki