Sustainable Turbomachinery

iStock_000015544357MediumThis past Tuesday was the 44th celebrated Earth Day. On Earth Day, more than 100 countries join together to literally stop and smell the roses, appreciate the splendor and beauty of Mother Nature and take extra efforts to be more conscientious for our shared home.

Turbomachinery, though not always the first thing that comes to mind when speaking on the subject of green technology, plays an important role toward our efforts for a more sustainable environment.
Continue reading “Sustainable Turbomachinery”

SoftInWay April Events and Why You Should Attend

supercriticalco2inaxcycleMarch just really flew by!

We’re kicking off April with our new Heat Balance Calculation with AxCYCLE online classes this month. Here’s three good reasons you should attend:

1. You’ll get to learn, understand and dive into our new conceptual cycle analysis tool that has built-in customizable OEM turbine and ICE libraries (perfect for engineers involved in waste heat recovery) Continue reading “SoftInWay April Events and Why You Should Attend”

New Waste Heat Recovery Features in AxCYCLE Available Now

AxCYCLE IC engine
AxCYCLE IC engine

Have you checked out AxCYCLE recently?

SoftInWay officially announced the latest features with the release of version 2.3.

With this update, the system’s new tools are available to all users, but waste heat recovery application engineers, particularly in the automotive industry, should take notice. Continue reading “New Waste Heat Recovery Features in AxCYCLE Available Now”

Should You Be Implementing the Organic Rankine Cycle?

To have a successful application of an ORC system, the availability of an adequate heat source is crucial. In principal every heat-generating process, such as burning fossil fuel, can be taken as a heat source for ORC.

However, the aim is to improve energy efficiency and sustainability of new or existing applications with the focus on waste heat and renewable energy sources.

Three sectors have been identified as potential sources for the application of ORC power generation: Continue reading “Should You Be Implementing the Organic Rankine Cycle?”

Waste Heat Sources + Trends

Waste Heat losses and Work Potential from Selected Processes
Waste Heat losses and Work Potential from Selected Processes

You might be able to name a few sources of waste heat, but do you know what distributes the largest content?

Waste heat losses arise both from equipment inefficiencies and from thermodynamic limitations on equipment and processes. Continue reading “Waste Heat Sources + Trends”

A Common Debate: Axial or Radial Turbine?

Comparison of efficiency against power output for axial flow and radial inflow turbine configuration
Comparison of efficiency against power output for axial flow and radial inflow turbine configuration

The question always remains, which is better: axial or radial? But with that question are sub questions: Which application? Which fluid? What results are you looking for exactly?

In automobiles for waste heat recovery, we believe that radial inflow turbines are more suited for use. Here’s why:

Continue reading “A Common Debate: Axial or Radial Turbine?”

3 Categories and Sources of Vibrations

In view of the large number of blades in any turbine machine, the existence of unavoidable sources of vibration excitation and the serious consequences of the failure of just one blade, an intimate knowledge and understanding of the vibration characteristics of the blades in their operating environment is essential.

Vibration excitation can arise from a variety of sources but principally involves the following categories: Continue reading “3 Categories and Sources of Vibrations”

Working Fluid in Organic Rankine Cycles

orcfluid
ORC Fluid

The choice of the working fluid for any given application is a key issue and should be done based on specific applications to achieve maximal efficiency. For working fluids in ORC, a green energy alternative, there are some requirements to keep in mind:

•Thermodynamic performance
Low pump consumption and high critical point

•Positive or isentropic saturation vapor curve
Avoid wetness in flow path, i.e. avoid damages of flow path elements

•High vapor density
Decrease sizes of equipment (expander and condenser)

•Acceptable pressures
High pressures usually lead to higher investment cost and increasing complexity

•High stability temperature
Prevent from chemical deterioration and decomposition at high temperatures

•Low environmental impact and safety level
•Good availability and low cost Continue reading “Working Fluid in Organic Rankine Cycles”

At a Glance – Turbochargers

turbocharger
Turbocharger

With the ongoing movement toward global environmental protection, regulations related to the exhaust emissions and fuel consumption of automobiles are being strengthened. To cope with these requirements, turbochargers are an effective tool to improve fuel consumption and reduce carbon dioxide emissions, by reducing the engine weight and friction loss.

Since a turbocharger supplies compressed air to an engine, it can reduce the engine displacement relative to an atmospheric engine for the same power. Variable geometry turbochargers, which can control the boost pressure according to the engine operating conditions, are becoming increasingly popular, creating a demand for a centrifugal compressor with a wide and stable operational range. Continue reading “At a Glance – Turbochargers”

Facts About Waste Heat Recovery for IC Engines

icengines
ICengines

Last month we hosted a webinar on waste heat recovery for internal combustion engines and beyond. You can view the webinar here.

This is becoming an increasingly popular topic in our industry and we’re seeing more information being posted from other industry professionals, so we thought this would be a great time to explain some basics about this energy efficient technology.

The situation:
A large part of the energy produced in an IC engine is lost to the surroundings but the waste heat from the engine exhaust and coolant is still an attractive energy source that reaches around 60% of the total energy converted from fuel. Continue reading “Facts About Waste Heat Recovery for IC Engines”

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