2009-Water Film Motor 2009-Water Film Motor

  • Introduction

The device consists of a two-dimensional cell used for electrolysis of water films, as simple as an insulator frame with two electrodes on the sides, to which an external in-plane electric field E, perpendicular to the mean electrolysis current density J, is applied.

 

  • Publications

A. Amjadi, R. Shirsavar, N. Hamedani Radja, and M.R. Ejtehadi

A. Amjadi, R. Shirsavar, N. Hamedani Radja, and M.R. Ejtehadi

R. Shirsavar, A. Amjadi, N. Hamedani Radja, M. D. Niry,  M. Reza Rahimi Tabar, and M.R. Ejtehadi

 

  • Downloads

Movie#1

The movie shows the film rotation under variant electric field and/or electrolysis voltage. Following table indicates the values during the experiment.

Time
‎0‎
‎2‎
‎4‎
‎5‎
‎7‎
‎11‎
‎14‎
‎15‎
‎17‎
‎27‎
‎29‎
‎31‎
Electrolysis voltage (V)‎
Off
‎+400‎
Off
‎+400‎
Off
‎-400‎
Off
‎-400‎
‎-400‎
‎-400‎
Off
‎+400‎
Electric field(kV/m)‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
from 36 to 129‎
‎129‎
‎129‎
‎129‎

Electrolysis cell dimensions:  12 ×15 mm2
Glycerin volume fraction:  0.375

 

Movie#2

The movie shows the film rotation under variant electric field and/or electrolysis voltage. Following table indicates the values during the experiment.

Time(s)‎
‎0‎
‎1‎
‎+1‎
‎5
‎+5‎
‎10‎
‎+10‎
‎14‎
‎25
‎32‎
‎33‎
Electrolysis voltage(V)‎
‎+536‎
Off
‎+536‎
Off
‎-536‎
Off
‎-536‎
‎-536‎
‎-536‎
Off
‎+536‎
Electric field(kV/m)‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
from 36 to 129‎
‎129‎
‎129‎
‎12

Electrolysis cell dimensions:  12 ×15 mm2
Glycerin volume fraction:  0.375

 

Movie#3

The movie shows the instance that external electric field passes threshold and rotation starts.
Electrolysis cell dimensions:  31 × 31 mm2
Glycerin volume fraction:  0.02

 

Movie#4

Rotation in a rectangular electrolysis frame. It shows how boundary conditions controls the number and shape of vortices.

Time(s)‎
‎0‎
‎2‎
‎12‎
‎15
‎23‎
‎26‎
‎34
‎37‎
‎41‎
‎56
Electrolysis Voltage(V)‎
Off
‎176‎
Off
‎176‎
Off
‎-176‎
Off
‎-176‎
‎-176‎
‎-176‎
Electric Field(kV/m)‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
‎36‎
from 36 to 144‎
‎144‎

Electrolysis cell dimensions:  10 ×31 mm2
Glycerin volume fraction:  0.375

 

Movie#5

A 30 × 50 mm2 electrolysis cell is partitioned to about 10 × 10 mm2 squares using cotton string.

Time(s)‎
‎0
‎1‎
‎9
‎10‎
‎15‎
‎20
‎33‎
‎34‎
‎44
Electrolysis voltage(V)‎
Off
‎+528‎
Off
‎+528‎
‎+528‎
‎+528‎
Off
‎-528‎
‎-528‎
Electric field(kV/m)‎
‎62.5‎
‎62.5‎
‎62.5‎
‎62.5‎
62.5 to 125‎
‎125‎
‎125‎
‎125‎
125 to ‎zero

 

Movie#6

Electrolysis voltage: 120 V
Electric field: 60 kV/m
Electrolysis cell dimensions:  31 × 31 mm2
Glycerin volume fraction:  0.14

 

Movie#7

Electrolysis voltage: 120 V
Electric field: 60 kV/m
Electrolysis cell dimensions:  31 × 31 mm2
Glycerin volume fraction:  0.22

 

Movie#8

A 30 × 50 mm2 electrolysis cell is partitioned to about 10 × 10 mm2 squares using cotton string. The movie has been recorded approximately 5 minutes after the rotation has been started.

  • News

Our project on Liquid Motor Films has been highlighted in Scientific American Magazine in June 9, 2008

The report is titled: Liquid Motor Revs Up

Also there is a report in arXive blog:

The puzzling discovery of a motor made from liquid film