Wederley Miranda

9 Questions 19 Answers 0 Followers

Questions related from Wederley Miranda

What is your opinion about the use of interactive data visualization tools to share scientific data?

The use of interactive data visualization tools is becoming very popular to enable users explore the data from different points of view. These tools allow users to investigate data from different...

17 September 2020 7,860 10 View

How can the water content in aqueous ethanol fuel influence in the lubricant properties of internal combustion engines?

I would like to know if the lubricant properties of internal combustion engines are affected by the use of ethanol, aqueous ethanol solutions or ethanol-Diesel blends as fuel, especially for...

03 November 2018 5,010 2 View

What equipment or instruments would you suggest for a Mechanical Vibrations Lab?

I'm proposing an upgrade in a Mechanical Vibrations Lab, where some basic experiments will take place. So I'm collecting suggestions of equipment or instruments that could be applied in this...

12 March 2017 8,176 7 View

What are the main difficulties in performing pin-on-disk wear test?

What are the most common difficulties found for preparing the samples (roughness, uniformity), for controlling the test parameters, and what should be done to guarantee repeatability?

09 May 2016 4,553 15 View

Can anybody suggest me papers about the use of graphene to reduce friction and wear?

I'm looking for papers presenting theoretical and experimental studies of the tribological properties of graphene, especially those related to improving lubricants under boundary lubrication and...

19 March 2015 8,083 4 View

What is the influence of fluid inertia on the hydrodynamic bearing force coefficients, for textured sliders or thrust bearings?

Specially regarding the two classical approaches, Reynolds Equation (Re) and Navier-Stokes (NS), it's well known that there are ranges of operational conditions and geometries that best fits each...

04 November 2014 8,783 3 View

Does anyone have experience with Vensim simulation software?

Any comments about its graphical interface, simulation and optimization resources, graphs, toolboxes, interfaces with other languages and applications? What are the main limitations and...

09 July 2014 3,792 12 View

What are the most expected advances in tribology and hydrodynamics for the next years?

The breakthroughs expected in the next decade, especially in the areas of fluid dynamics and hydrodynamics.

28 January 2014 9,081 1 View

Reliable data on fluid-film bearing force coefficients?

Where can I find a reliable source providing stiffness and damping coefficients for fluid-film bearings, especially elliptical and non-short bearings?

17 November 2013 1,923 7 View