24
May
BorgWarner engineers perform finite element analysis FEA and computational fluid dynamics CFD to optimize wheel durability and performance based on the application needs. A turbocharger consists of a compressor and a turbine connected by a common shaft.
In ANSYS _CFX the design of the turbine wheel is done.
Turbocharger compressor wheel design. Turbochargers are spinning faster than ever before and subjected to higher temperatures. As a result this has led to significant development in compressor wheel design to cope with ever changing conditions. Earliest compressor wheel design and still used by some manufacturers.
Design and Function of a Turbocharger. Compressor The turbochargers basic functions have not fundamentally changed since the times of Alfred Büchi. A turbocharger consists of a compressor and a turbine connected by a common shaft.
The exhaust-gas-driven turbine supplies the drive energy for the compressor. Compressor wheels design is one of the greatest factors determining a turbochargers performance. What follows is a brief guide of the factors which influence compressor wheel design armed with this information it will be easier to make an informed decision about your next turbochargers.
The flatback design is one of the earliest styles of compressor wheels and is best for low boost turbochargers. The superback design is an updated variant of the flatback model that features extra material on its exducer. It is best suited for turbochargers that induce high pressure on the compressor wheel.
RESULTS AND DISCUSSION Analysis of a compressor wheel for different blade angles of a turbocharger is done to study the behavior of velocity and pressure at a speed of 150km. A compressor wheel with more blades will flow very well at higher boost levels30 psi but will not flow as well at lower boost levels. The Lower the blade count on the compressor wheel will help the turbo flow more air than the same compressor wheel with more blades.
The more blades on a compressor wheel will help the compressor wheel have a. Batmo Compressor Wheels for Turbochargers. An introductory look at new turbo technology coming to market.
A new compressor wheel design has just started to come to the market and is being called the BATMO wheelThis wheel has a very interesting design since its inducer compressor blade has a stepped lip to it. The justification to this is that this. Used for hot turbine and cold compressor portions of current turbocharger systems Honeywell and ORNL have identified turbocharger housings and turbine-wheelshaft assemblies as priority components for consideration with increased exhaust temperatures Cast.
The compressor wheel is then designed to load the expander at this optimal speed. At times the speed that is optimal for an expander can be too high for a reasonable compressor design. In this case the OEM must resort to a reduction in speed to satisfy the overall goal of providing a machine that can operate reliably with a good balance of.
A turbocharger is basically a combination of a compressor and a turbine both mounted on a common shaft. Turbocharger uses the exhaust gases of the engine itself to rotate the turbine which in turn moves the compressor. Mainly two type of compressors are used in a turbocharger.
Changing these shapes by the turbo owner will destroy the design relationship between the compressor wheel and the compressor cover contour. Most compressor wheels have been made from various aluminum alloys. However there are more and more applications that push the limits of what the current aluminum alloys will stand.
The video presents turbocharger compressor wheel manufacturing process at KTS Turbo Billet X factory. For compressor wheel balancing KTS selects balancing ma. The compressor and turbine wheel designs have the greatest influence on the turbochargers operational and performance characteristics.
BorgWarner engineers perform finite element analysis FEA and computational fluid dynamics CFD to optimize wheel durability and performance based on the application needs. In ANSYS _CFX the design of the turbine wheel is done. Structure Analysis of a Turbocharger Compressor Wheel Using FEA.
From our experience in turbocharger design development and validation along with industry professionals we have consulted there is a rule of thumb we have found when sizing the compressor and turbine wheels. The exducer of the compressor wheel should be 10-15 larger than the inducer of the turbine wheel as shown in the image above. Turbine Wheel with Shorter Shaft for Boreless Compressor Wheel Turbocharger By OTS In Technical 2018-09-05 You will see the shaft of the turbine wheel in below picture is shorter than normal turbo turbine shaft and wheel.
Very simple drawing of a 12 blade centrifugal compressor wheel. The blade profile and sizing in this tutorial are all free handed.