Dense plasma focus fusion pdf

The relevant fusion processes for the dpf are beamtarget and thermonuclear, which are distinguished by the plasma ion energy and density distributions. The dense plasma focus dpf, a coaxial plasma gun, utilizes pulsed high current electrical discharge to heat and compress the plasma to very high density and temperature with energy densities in. The dense plasma focus device enables fusion reactions. Pdf current and perspective applications of dense plasma focus. Dense plasma focus, quantum magnetic field effect, nuclear fusion, aneutronic fusion 1. Magnetoinertial fusion mif is an approach which has been shown to potentially lead to a low cost, small reactor for fusion break even1. Dense plasma focus dpf device is a type of plasma accelerator that produces.

Prospects for p b fusion with the dense plasma focus. A dense plasma focus dpf is a type of plasma generating system originally developed as a fusion power device starting in the early 1960s. The dpf device has always been in the company of several alternative magnetic fusion devices as it produces intense fusion neutrons. Dense plasma focus as a novel high energy density pulsed. Pdf dense plasma focus dpf devices applications, which are intended to support the main. Major lorentz acceleration continues with forward tilting of the current beginning to focus the flow electromagnetically. This is related to the work of lawrenceville plasma focus to develop cheap nuclear fusion. The system demonstrated scaling laws that suggested it would not be useful in the commercial power role, and since the 1980s it has been used primarily as a fusion teaching system, and as a source of neutrons and xrays. Construction and physics of the dense plasma focus. Focus fusion uses the dense plasma focus device to guide a series of instabilities, each one increasing density and temperature, to produce fusion.

Dense plasma focus wikimili, the best wikipedia reader. Fusion and applications which showed 500 repeated firings of a dense plasma focus dpf device ht culled from links at which collected this and other relevant research. Pdf dense plasma focus from alternative fusion source to. Instead of trying to stabilize and confine the plasma as in an ordinary fusion reactor, the dense plasma focus takes advantage of the plasma natural instability to release a large amount of energy in a very short time.

Lerner submitted on 25 jan 2004, last revised 27 jan 2004 this version, v2. Plasma focus neutron scaling laws from numerical experiments up to 25mj y n vs e 0 note y n e 0 2 at low e 0. From beamtarget to thermonuclear fusion in the dense plasma. The zpinchdense plasma focus method is an mif concept in which a column of gas is converted to plasma and then compressed to. Dense plasma focus project gutenberg selfpublishing. We have for the first time simultaneously imaged the plasmoid at high 30. Pdf the dense plasma focus dpf, a coaxial plasma gun, utilizes pulsed high current electrical discharge to heat and compress the plasma. Plasma jet drivers for magnetoinertial fusion pjmif. Homepage forums dense plasma focus dpf science and applications this forum has 168 topics, 1,639 replies, and was last updated 10 months, 3 weeks ago by plasmalord. Pulsed current discharges through gas 100 ma deuterium gas is injected hypersonically into chamber. The electromagnetic compression of the plasma is called a pinch. This requires some advance of present day plasma physics, but would greatly simplify the fuel cycle.

Pdf dense plasma focus from alternative fusion source. The dense plasma focusdpf device has long been known to be an efficient source of neutrons from fusion reactions and of mevenergy ion and electron beams. Nathan majernik, seth pree, yusuke sakai, brian naranjo, seth putterman and. Introduction controlled nuclear fusion using hydrogenboron. The energy produced will be environmentally safe for all life on our planet. The mather type have a 1 and filippov type a 150 kev ions in a dense plasma. Theory and experimental program for pb 11 fusion with the. Study cherenkov radiation by production of positrons and. Dense plasma focus from alternative fusion source to. Internetbased plasma focus course on numerical experiments. Traditionally, dpfs can be categorized as mather and filippov types according to their anode aspect ratios a l 2 a, where l is the effective anode length and a is the anode radius. Dense plasma focus 4 dense plasma focus circuit pulse circuit pulsed xray generation instrumentation. Dense plasma focus dpf device is a pulsed power source used in nuclear fusion reactions.

This cheap and unlimited energy source is based on aneutronic fuels and the dense plasma focus device, a combination we call focus fusion. It also produces dense concentrations of hot plasma, or plasmoids. Institute of plasma physics and laser microfusion, warsaw. Fusionbased propulsion can enable fast interplanetary transportation. Lppfusion is developing a new energy source, modeled on fusion energy that powers our sun. Induced fields interact with current to dynamically compress gas to thermonuclear temperatures. The dense plasma focus dpf, first invented in 1954, is far more compact and.

Plasma rapidly expands against magnetic nozzle, generating thrust. The conical zpinch with the vertex at f propels the plasma forward as a focused or a well collimated jet. International centre for dense magnetized plasma, warsaw. A fusion reactor would have abundant fuel supply contd while the first generation fusion reactor would burn dt, a second generation reactor would likely burn only deuterium. Creation of a dense plasma focus device and its application in.

Design of zpinch and dense plasma focus powered vehicles. This allows us to use a device, the dense plasma focus, that is so small you can hold its heart in your hands. Experimental setup to clearly distinguish between the radiation from the anode end and that from the plasmoids, we used a cylindrical anode with 6cmdeep recess at the pinch end fig. Using a dense plasma focus device with a 50 kj capacitor charge, we have observed fusion reactions from deuterium ions with record energies of 150 kev, which are confined for durations of 730. Prospects for p11b fusion with the dense plasma focus. Experimental results on the irradiation of nuclear fusion. The plasma expands and accelerates around the inner electrode. Essentially this approach can be summarized as follows. What is the dense plasma focus, and how does it work to achieve nuclear fusion. Using a dense plasma focus device with a 50 kj capacitor charge, we have observed fusion reactions from deuterium ions with record energies of 150 kev, which are confined for durations of 730 ns in the cores of plasmoids with typical radii of 300500.

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