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iFlyerWeb is a free software tool for you to create web flyers in just minutes. The iFlyerWeb wysiwyg flyer builder let you create good-looking flyer images without writing a single line of HTML code or using complex & expensive graphic software. You can post the generated flyer images to popular...

This counter is powered by PHP and Sqlite. It lets your track hits to your websites or a specific page. Use it for Craigslist, Email (if somebody reads your email), or simply for your own website.

"Apps like Gravilux awaken an 'Avatar'-like sensitivity to electricity in the body, power in the palms and general connectedness." - NY Times "Every once in a while, an app will come along that has no practical application whatsoever but is just SO COOL that you have to have it! Gravilux is...


Platforms: Mac

About Orthodox Icons ScreenSaver Contains a set of 12 rotating images of handpainted orthodox icons. Included in the set are icons of Our Lord Jesus Christ, Mother of God, Guardian Angel, and several saints. Original icons were painted by Hieromonk Andrei and other iconographers at Holy Trinity...


Platforms: Mac

I'm a big fan of good weather-reporting software for years but never thought I'd find nirvana so easily. No weather program I've ever tried, for Windows, Linux or OS X, comes within a light year of Seasonality. -- Al Fasoldt, The Post-Standard, Syracuse, NY. If you are serious about weather...


Platforms: Mac

Finally, an App that allows you to send a Tweet to all members of Congress! Just like the Tweet Batch App, Tweets can be scheduled for release at a future date or time. You can used presorted distribution lists, such as Senate, House, Republicans, Democrats, etc. Or, you can create your own...


Platforms: Mac

Electrohydraulic servoactuators provide one of the best controllers from the point of view of precision and speed of response. They are used to control wide range of mechanical parameters, such as the displacement, angular displacement, strain, force, and others. They incorporate, mostly, a...


Platforms: Matlab

Electrohydraulic servo systems provide one of the best controllers from the point of view of precision and speed of response. They are used to control almost all hydraulic and mechanical parameters, such as the pressure, pressure difference, angular speed, displacement, angular displacement,...


Platforms: Matlab

Both functions caculate the Lomb normalized periodogram (aka Lomb-Scargle, Gauss-Vanicek or Least-Squares spectrum) of a vector x with coordinates in t, which is essentially a generalization of the DFT for unevenly sampled data.The codes are transcriptions from Fortran of the subroutines found in...


Platforms: Matlab

The remarkable advance in hydraulic and electrohydraulic power systems resulted in producing control valves of very short settling time. The rapid closure of hydraulic transmission lines leads to severe pressure surge. The attached Simulink file is developed to evaluate the applicability of...


Platforms: Matlab

Here is a simple Simulink file to calculate the stiffness of hydraulic spring.The theory is explained in my book:M Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp 235-237


Platforms: Matlab

The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about the steady state and transient response calculation, please refer to my book:Galal Rabie, Fluid Power Engineering,...


Platforms: Matlab

The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about this issue, please refer to my book:M Galal Rabie, Fluid Power Engineering, McGraw-Hill, NY, May 18, 2009, pp 336-340This...


Platforms: Matlab

Here is a simple Simulink file to calculate the bulk modulus of oil-air mixture.The theory is explained in my book:Bulk Modulus of oilM Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp


Platforms: Matlab

Hydraulic servo actuators (HSAs) are used to precisely control displacement in a wide range of equipment. Generally, a hydraulic servo actuator consists of a hydraulic actuator controlled by a directional control valve of an infinite number of positions and equipped with a feedback arrangement....


Platforms: Matlab

This file illustrates the effect of a properly designed proportional integral controller on the performance of Electrohydraulic servoactuators. The description of construction, operation and mathematical modeling of the Electrohydraulic servoactuator and steps of design of the PI controller are...


Platforms: Matlab

The electrohydraulic servovalves are mostly multi-stage. They incorporate, mostly, a first stage which serves to convert the command current into a proportional pressure difference. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie,...


Platforms: Matlab

Relief Valve DynamicsModeling and Simulation of a Hydraulic Relief ValveThe attached file presents a simulation of a direct-operated hydraulic relief valve with built-in damper. The study of the valve included the following:d-deD? Construction and operation of the valved-deD? Mathematical...


Platforms: Matlab

Lumped Parameter Model of Hydraulic Transmission lineHere is a lumped parameter model of a hydraulic transmission line.The line is modeled by one, two, three, four and ten lump models.The simulation program presents the transient response in addition to experimental results.The theory is...


Platforms: Matlab

The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie, Fluid Power Engineering,...


Platforms: Matlab