bila dah sayang

Bila kita sayang orang tu
Kita terima je apa yg org tu kata
Tapi bila dia kata kat kita?
Hati kata takpe manusia tak perfect..

Bila kita sayang orang tu
Kita tunggu dia lame pun takpe
Tapi bila dia tunggu kita???
dia marah-marah
Hati kata ala, adatlah ada yang menununggu n ditunggu..

Bila kita sayang orang tu
Kita x tdo pn x pe layan dia yg tengah bosan,
Tapi bila kita bosan
Ada dia layan kita?
Hati kata takpe dia busy kot..

Bila kita sayang orang tu
Kita gadoh dengan dia, kita diam je
Tapi dia heboh 1 dunia
Hati kata takpe, dia tension tu..

Bila kita sayang orang tu
Kita call nak cakap ngan dia
Tapi dia bagi phone kat orang laen
Bila jadi camtu, takpe
Hati kata, tak pe, layan je, kawan dia, kawan kita gak..

Bila kita sayang orang tu
Kita bercerita dgn dia, ibarat cerita ngan tunggul lagi baik
Tapi bila dia bercerita ngan kita
Kita dengar, sepatah-sepatah kite ingat
Hati kata takpe sayang la katakan..

Bila kita sayang orang tu
Kita dan dia lapar
Tapi kita bagi sume roti kita kat dia
Hati kata, ala jagalah hati dia, sian dia..

Bila kita sayang orang tu
Kita sanggup bagi dia rest bila dia letih,
Tapi bila kita letih, dia suruh jugak kita layan dia bila dia bosan
Adil ker macam tu?
Hati kata, ala bukan selalu pun..

Bila kita sayang orang tu
Kita jadi cam orang gila apabila dengar dia sakit,
Tp bila kita tengah sakit,
Dia siap kuar ngan kawan-kawan dia meraikan hari kesakitan kita,
Hati kata, ala takpe, tak kn dia nak berkepit ngan kita 24 jam..

Bila kita sayang orang tu
Kita tak pernah pentingkan diri sendiri
Tapi dia hipokrit tahap gaban
Hati kata takpe, dia memang camtu kene lah terima..

Bila kita sayang orang tu
Kita tak sanggup tengok dia derita
Tapi dia tak pernah hargai diri kita,
Hati kata, tau tak betapa kita sayangkan dia??

Bila kita sayang orang tu
Kita sanggup tinggalkan dia selama-lamanya
Untuk dia bahagia
Tapi adakah dia tahu pengorbanan yang kita lakukan itu??

Info for Turbo (basic) - How a turbo system works

How A Turbo System Works? (Basic)

Engine power is proportional to the amount of air and fuel that can get into the cylinders. All things being equal, larger engines flow more air and as such will produce more power. If we want our small engine to perform like a big engine, or simply make our bigger engine produce more power, our ultimate objective is to draw more air into the cylinder. So how does a turbocharger get more air into the engine?



1 Compressor Inlet
2 Compressor Discharge
3 Charge air cooler (CAC)
4 Intake Valve
5 Exhaust Valve
6 Turbine Inlet
7 Turbine Discharge

The air filter through which ambient air passes before entering the compressor. The air is then compressed which raises the air’s density (mass / unit volume).Many turbocharged engines have a charge air cooler(aka intercooler) that cools the compressed air to further increase its density and to increase resistance to detonation.

After passing through the intake manifold, the air enters the engine’s cylinders, which contain a fixed volume. Since the air is at elevated density, each cylinder can draw in an increased mass flow rate of air. Higher air mass flow rate allows a higher fuel flow rate (with similar air/fuel ratio). Combusting more fuel results in more power being produced for a given size or displacement.

After the fuel is burned in the cylinder it is exhausted during the cylinder’s exhaust stroke in to the exhaust manifold.The high temperature gas then continues on to the turbine. The turbine creates backpressure on the engine which means engine exhaust pressure is higher than atmospheric pressure. A pressure and temperature drop occurs (expansion) across the turbine, which harnesses the exhaust gas’ energy to provide the power necessary to drive the compressor.

Components of Turbocharger




BOV
The Blow-Off valve (BOV) is a pressure relief device on the intake tract to prevent the turbo’s compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. These rapidly cycling pressure fluctuations are the audible evidence of surge. Surge can eventually lead to thrust bearing failure due to the high loads associated with it. Blow-Off valves use a combination of manifold pressure signal and spring force to detect when the throttle is closed. When the throttle is closed rapidly, the BOV vents boost in the intake tract to atmosphere to relieve the pressure; helping to eliminate the phenomenon of surge.



WASTEGATE
On the exhaust side, a Wastegates provides us a means to control the boost pressure of the engine. There are two configurations of Wastegates, internal or external. Both internal and external Wastegates provide a means to bypass exhaust flow from the turbine wheel. Bypassing this energy (e.g. exhaust flow) reduces the power driving the turbine wheel to match the power required for a given boost level. Similar to the BOV, the Wastegates uses boost pressure and spring force to regulate the flow bypassing the turbine.

Internal Wastegates are built into the turbine housing and consist of a “flapper” valve, crank arm, rod end, and pneumatic actuator. It is important to connect this actuator only to boost pressure; i.e. it is not designed to handle vacuum and as such should not be referenced to an intake manifold.

External Wastegates are added to the exhaust plumbing on the exhaust manifold or header. The advantage of external Wastegates is that the bypassed flow can be reintroduced into the exhaust stream further downstream of the turbine. This tends to improve the turbine’s performance. On racing applications, this Wastegated exhaust flow can be vented directly to atmosphere.
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