The is all very good in principal but such RF mitigation measures are not being done in current LENR experimentation.
On Wed, Apr 15, 2015 at 3:20 PM, David Roberson <[email protected]> wrote: > It should be possible to filter out any RF that finds its way toward the > electronics. I have used "hand waving" before while monitoring readings to > detect RF interference. Typically RF levels vary greatly as the path > changes making its interference to equipment easy to spot. > > Dave > > > -----Original Message----- > From: Axil Axil <[email protected]> > To: vortex-l <[email protected]> > Sent: Wed, Apr 15, 2015 2:11 pm > Subject: Re: [Vo]:Path to Prove LENR at Hand > > Many experimenters are reporting RF as output of there experiments. > Could this RF interfere with proper reactor control? > > On Wed, Apr 15, 2015 at 1:20 PM, David Roberson <[email protected]> > wrote: > >> We are very near to the goal of proving that excess power is being >> generated within a HotCat replica, especially with the latest measurements >> performed by Brian Albiston on 4/12/2015. Of course the fine work by Dr. >> Parkhomov and others has effectively lead the way forward. Now it is up to >> us to complete the task by closing the few remaining loop holes which >> obscure the proof. >> >> A couple of weeks ago I offered the theory that the outside surface of a >> Parkhomov like reactor should actually become cooler when a PID controller >> is used to regulate the internal core temperature of a system that begins >> generating excess power. This seemed contrary to the beliefs of many but >> was shown to be true by Brian's demonstration. The feedback causes this to >> occur since the sense thermocouple is effected more by the core power than >> the power due to the electrical heating source. >> >> It is possible to determine the core power generation as a function of >> core temperature by making certain measurements on a system that resembles >> Parkhomov's, but is controlled by a PID controller. It is important to >> maintain the core sample inside the main device outer cylinder if we are to >> achieve results that are representative of the true power being generated >> by the core. This is needed to ensure that all the heat power generated >> within the core flows through the heating element on its path toward the >> outer device surface. This requirement effectively eliminates the extended >> core networks that have become popular recently with attempts to measure >> the gas pressures and avoid the difficulties associated with the high >> temperature seals. >> >> There are other reasons why the core should be completely contained >> within the main cylinder that are less obvious and need to be discussed at >> another time. Also, the thermocouple that senses the core temperature will >> make the measurement more accurate and robust if placed inside the core >> instead of on its outer surface. I am confident that these issues will >> continue to be discussed until an adequate resolution is achieved. >> >> First, at least one thermocouple should be attached to the outside >> surface of the main largest cylinder that is the radiating and convecting >> surface. Another thermocouple should be located within the active core >> itself which generates a temperature reading that is fed to the PID control >> system. The PID needs to be adjusted so that the integrator portion truly >> monitors the average temperature reading of the thermocouple allowing the >> feedback to keep it constant. It would likely be best to use a DC supply >> and drive source for the resistive heating coil in order to eliminate most >> of the noise that corrupts the accuracy of the temperature readings. If we >> determine that a complex waveform is required due to magnetic effects then >> we can go back to the more noisy alternative. >> >> Calibration of the radiating surface temperature by the first >> thermocouple is important in order to obtain the correct value of total >> power that is exiting the system. The PID controller can be used to keep >> the input drive power constant at stepped values for temperature readings >> of the outer surface. A dummy system will need to be tested to ensure >> that core power does not corrupt the calibration process at the higher >> power levels at the expense of accuracy. I assume that the dummy can be >> made with behavior that is representative of the real device. The graph of >> DC input power as a function of outside surface temperature is identical to >> the output power function when there is zero core contribution. >> >> After calibration is completed we will accurately know how much power is >> exiting the system for any surface temperature reading that is performed. >> We can also accurately measure the input power that is being fed to the >> heating coils by the PID control system at any level of input required to >> maintain the core temperature at a desired set level. To obtain the core >> power generation level we subtract the measured input DC power from the >> calibrated output power due to the surface temperature of the device. This >> process can be repeated throughout the desired core temperature operating >> region by adjusting the PID set point so that a complete function is >> generated. >> >> There is at least one issue that concerns me regarding the thermocouple >> that is placed within the core. It is subject to possible corrosion due to >> the active core material and may need to be protected from that >> environment. The temperature readings made by this device are used to >> stabilize the system by means of the PID controller and the accuracy of the >> engineering data obtained may be compromised unless proper precautions are >> taken. This concern will be addressed during future testing. >> >> I am 99.9% confident that the latest experiment conducted by Brian >> indicates that power is being generated by the core of his device. My main >> concern is that it is of a chemical nature since it was generated for less >> than one day of operation. I can imagine that some thermite effect might >> be present since liquid aluminum is released by the hydride and oxygen is >> surely present and some is likely attached to the nickel. A slow reaction >> of this type might be causing the power generation that is being observed. >> Also, there may well be other chemical processes that remain obscure at >> this point. We must maintain core power generation for a much longer >> period of time before it is safe to attribute that power to nuclear >> effects. The good news is that power is being generated within the core. >> >> Dave >> >> >> >> >> > >
