Patent RU2144685C1 — Method to Disturb Ionosphere and Gear for Its Implementation (Russian Academy of Sciences)
Bibliographic Information
| Field | Details |
|---|---|
| Patent Number | RU2144685C1 |
| Title | Method to Disturb Ionosphere and Gear for Its Implementation (Способ возмущения ионосферы и устройство для его осуществления) |
| Inventors | V.V. Adushkin, Y.I. Zetser, N.I. Zotov, Y.N. Kiselev, B.D. Khristforov, V.L. Yuryev, Y.V. Poklad — 7 inventors |
| Assignee | Institute of Geosphere Dynamics, Russian Academy of Sciences (Институт динамики геосфер Российской академии наук) |
| Filing Date | February 5, 1993 |
| Publication Date | January 20, 2000 |
| Status | Expired |
| Classifications | H05H1/00 (Plasma technique — general); G01S (Radio direction-finding; radio navigation; radio altimetry); G01V (Geophysics; gravitational measurements); F42B (Explosive charges and similar devices) |
| Jurisdiction | Russia (RU) |
Abstract
A method for deliberate perturbation of the ionosphere and the apparatus to implement it. The method involves forming a high-speed jet of plasma-forming substance and injecting it into the ionosphere above 120 km altitude. The jet parameters are constrained to: energy-to-mass ratio Eo/mo ≥ 80 kJ/g and initial mass m₀ ≤ 10l³ₐρₐ, where l_a is a characteristic length parameter and ρ_a is the ambient atmospheric density at injection altitude. The resulting ionized regions are positioned so as not to overlap. The preferred plasma-forming substance is aluminum. The apparatus for generating the high-speed aluminum vapor jet employs cylindrical cumulative recess charges with thin-walled tube geometry satisfying a specific density-charge parameter: ρ₀₀ ≤ 2/Q.
Claims (4 Total)
Claim 1 (Independent): A method of disturbing the ionosphere, comprising: forming a high-speed jet of plasma-forming substance; injecting said jet into the ionosphere at an altitude exceeding 120 km; wherein the parameters of said jet satisfy the following conditions: the specific energy-to-mass ratio Eo/mo ≥ 80 kJ/g; the initial mass of the plasma-forming substance m₀ ≤ 10l³ₐρₐ; and the ionized regions formed by the jet are arranged so as not to overlap with each other.
Claim 2: The method of claim 1, wherein the plasma-forming substance is aluminum.
Claim 3 (Independent): An apparatus for implementing the method of claim 1, comprising a cumulative recess charge of cylindrical shape with a thin-walled tube geometry, wherein the linear density of the charge satisfies the condition ρ₀₀ ≤ 2/Q, where Q is a charge quality factor parameter.
Claim 4: The apparatus of claim 3, wherein the cylindrical cumulative recess has a geometry optimized to produce an aluminum vapor jet satisfying the energy-to-mass ratio Eo/mo ≥ 80 kJ/g at the specified altitude.
Description / Specification
System Architecture: Sub-Orbital Ionospheric Injection
The patent describes a complete weapons-capable ionospheric modification system. The approach differs fundamentally from ground-based ionospheric heaters (e.g., HAARP): instead of modifying ionospheric electron density from below by directing high-power HF radio waves upward, this system uses direct physical injection — launching a material substance into the ionosphere where it vaporizes, ionizes, and produces localized electron density perturbations.
The system has two distinct components:
- The method — the physics of ionospheric perturbation: altitude, energy parameters, mass constraints, non-overlap geometry for creating an array of artificially ionized regions
- The apparatus — the explosive charge mechanism for generating the required high-speed aluminum vapor jet
Delivery Physics: High-Speed Plasma-Forming Jet
The core technical requirement is injecting sufficient plasma-forming material above 120 km altitude with enough kinetic energy to create ionization before the material disperses. The critical parameter is the specific energy-to-mass ratio:
Eo/mo ≥ 80 kJ/g
This threshold ensures that when the aluminum vapor jet reaches injection altitude, each gram of material carries sufficient kinetic energy to create a meaningful volume of ionized plasma. For comparison:
- Chemical explosive detonation velocity: ~7–9 km/s → kinetic energy ~25–40 kJ/g
- The 80 kJ/g threshold corresponds to jet velocities above ~12–13 km/s
- This exceeds conventional shaped-charge jet velocities, requiring specialized cumulative charge geometry (Claim 3)
The mass constraint Claim 1 specifies:
m₀ ≤ 10l³ₐρₐ
where l_a is the characteristic interaction length at injection altitude and ρ_a is the ambient atmospheric density at that altitude. Above 120 km, ρ_a is extremely low (~10⁻⁹ kg/m³ at 120 km, dropping to ~10⁻¹⁰ kg/m³ at 200 km). This constraint ensures the plasma cloud created by the jet remains localized (size ≤ l_a) rather than dispersing into a diffuse, geometrically undefined perturbation. A localized perturbation creates a well-defined ionization enhancement that can be positioned with precision; a dispersed perturbation would not.
The non-overlap condition (Claim 1) specifies that multiple injections must create ionized regions that do not interfere with each other. This implies the system can be used to create arrays of discrete ionized regions with controlled geometry — consistent with weapons applications requiring specific spatial patterns of ionospheric modification.
Plasma-Forming Substance: Aluminum (Claim 2)
The choice of aluminum as the plasma-forming substance is significant:
Ionization characteristics: Aluminum has three valence electrons and a first ionization energy of 5.99 eV, second of 18.83 eV, third of 28.45 eV. At the jet temperatures achieved by the cumulative charge (~10,000–100,000 K), aluminum readily ionizes to Al²⁺ or Al³⁺, creating an electron-rich plasma cloud.
Conductivity of the plasma column: The aluminum vapor jet creates a conducting plasma column extending from the near-surface explosive charge to injection altitude. During the brief period of jet formation, this column has measurable electrical conductivity, which may have additional electromagnetic effects beyond simple electron density enhancement at altitude.
Radar cross-section effects: An aluminum plasma cloud at F-layer or E-layer altitudes (150–400 km) with enhanced electron density n_e creates a region where ω_p² = n_e e²/(m_e ε₀) > ω² for radar frequencies — an artificial radar reflecting layer. This enables over-the-horizon (OTH) radar reflection from a controlled, precisely positioned artificial layer, or conversely, can be used to create absorption zones blocking adversary OTH-R.
Historical precedent: The US "Project West Ford" (1963) involved injecting copper needles into orbit to create an artificial ionospheric reflector. The Russian aluminum-vapor approach described here is a more physically complex variant: instead of passive metallic reflectors, it creates an active ionized plasma region with continuously variable electron density during the evolution of the cloud.
Cumulative Charge Apparatus: Cylindrical Geometry (Claims 3–4)
The apparatus for generating the high-speed aluminum vapor jet uses an explosively driven cumulative (shaped) charge in cylindrical geometry. The key design parameter:
ρ₀₀ ≤ 2/Q
where ρ₀₀ is the linear charge density of the cylindrical section and Q is a charge quality factor representing the efficiency of kinetic energy transfer from explosive detonation to jet material.
The cylindrical cumulative geometry (as distinct from the standard conical shaped charge or hemispherical liner) produces a linear jet rather than a point-focus jet — generating an extended high-velocity aluminum vapor column rather than a converging jet. For ionospheric injection, a linear columnar jet geometry is superior to a conical jet because:
- Extended ionization path — The jet creates ionization along an extended path in the E and F layers rather than at a single point
- Larger plasma volume — Greater volume of aluminum vapor distributed over altitude range creates more substantial electron density enhancement
- Predictable geometry — The linear column geometry produces predictable ionization patterns for the non-overlap constraint in Claim 1
The thin-walled tube geometry ensures that the liner mass per unit length (ρ₀₀) is minimized relative to the charge explosive mass — maximizing the fraction of explosive energy transferred to the liner as kinetic energy rather than heat.
Ionospheric Plasma Physics
The electron density perturbation created by aluminum injection evolves through several phases:
Phase 1 — Initial ionization (t < 1 s): Aluminum atoms are ionized by the kinetic energy of the jet (impact ionization) and by photoionization from the flash of the explosive event. Initial electron density in the cloud: n_e ~ 10¹² – 10¹⁴ cm⁻³ (greatly exceeding ambient F-layer n_e ~ 10⁵ – 10⁶ cm⁻³).
Phase 2 — Diffusion and recombination (t = 1–100 s): The aluminum plasma cloud diffuses along and across field lines. Recombination rate: α_eff ≈ 10⁻⁷ cm³/s. The electron density evolves as:
dn_e/dt = −α_eff × n_e² + q_photo
where q_photo is the photoionization production rate from solar UV. The cloud persists for seconds to minutes depending on altitude and solar conditions.
Phase 3 — Large-scale ionospheric perturbation (t = minutes to hours): The initial dense aluminum plasma triggers plasma instabilities in the ambient ionosphere — notably the Rayleigh-Taylor instability (heavy plasma over lighter plasma in gravitational field) and the gradient-drift instability. These instabilities generate large-scale (km-scale) electron density irregularities that persist far longer than the initial aluminum cloud and can spread over large geographic areas.
This phase-3 behavior — where a compact initial injection triggers large-scale, persistent ionospheric irregularities — is the key weapons-relevant effect. A small payload (m₀ ≤ 10l³ₐρₐ) triggers irregularities far larger than the injected material volume, functioning as an ionospheric trigger mechanism analogous to a seeding event in cloud physics.
Comparison with US HAARP Approach
| Parameter | RU2144685C1 (Track_32) | HAARP / HF Heating |
|---|---|---|
| Modification mechanism | Physical aluminum vapor injection | HF radio wave heating |
| Altitude reach | ≥120 km (D, E, F layers) | Up to 300 km (F layer peak) |
| Energy source | Chemical explosive | 3.6 MW HF transmitter |
| Geographic mobility | Delivery vehicle dependent (highly mobile) | Fixed ground installation |
| Precision | Defined by delivery vehicle accuracy | Defined by beam steering |
| Persistence | Minutes to hours (plasma instabilities) | Seconds to minutes (thermal) |
| Covertness | No RF signature; minimal observable | Large RF signature |
| Scale | Local (~km) to regional (instability spreading) | Local to regional |
The Russian approach documented in this patent is significantly more covert than HAARP: it produces no detectable RF signature during operation and can be deployed from a mobile platform (aircraft, rocket, or sub-orbital vehicle) to any geographic location, unlike the fixed Gakona, Alaska HAARP site.
Institute of Geosphere Dynamics: Institutional Context
The assignee — Institute of Geosphere Dynamics (IDG), Russian Academy of Sciences — is Russia's premier institution for high-energy geophysical research, including nuclear explosion effects on the geosphere, deep seismic sounding, and non-linear geophysical phenomena. The IDG's core competencies include:
- Explosive geophysics: using chemical and nuclear explosions as controlled seismic sources
- Deep Earth structure: using high-energy seismic waves to image mantle discontinuities
- Ionospheric effects of explosions: studying how above-ground and near-surface explosions modify the ionosphere via acoustic-gravity waves and direct plasma injection
The 7-inventor team on this patent represents the intersection of the IDG's explosives expertise (V.V. Adushkin is the former Director of IDG and a member of the Russian Academy of Sciences) with ionospheric physics. V.V. Adushkin has published extensively on explosion-induced geophysical effects; his involvement on this patent indicates it represents a serious research program with institutional backing, not a speculative filing.
Strategic Significance
The filing date (February 5, 1993) is notable: the Soviet Union had dissolved on December 26, 1991 — this patent was filed fourteen months after the Soviet collapse, during the period of maximum institutional uncertainty for Russian defense research institutes. That the Institute of Geosphere Dynamics filed this patent in early 1993 indicates the research program survived the Soviet collapse and was being actively pursued under the early Russian Federation.
The publication date (January 20, 2000) — seven years after filing — suggests a long examination period, which is consistent with security review of sensitive military technology before publication.
Together with the US DTDC document (Track_31), this patent establishes that both superpowers pursued ionospheric modification as a distinct weapons modality, with the Russian program having reached sufficient technical maturity to file an enabling patent with specific operational parameters (80 kJ/g energy threshold, 120 km altitude minimum, aluminum as the preferred plasma-forming substance) within two years of the Soviet Union's collapse.
Technical Classifications
- H05H1/00 — Plasma technique (general)
- G01S — Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves
- G01V — Geophysics; gravitational measurements; detecting masses or objects
- F42B — Explosive charges, projectiles, cartridges (apparatus section)
Citations
- Google Patents: RU2144685C1
- Institute of Geosphere Dynamics, Russian Academy of Sciences (Институт динамики геосфер РАН)
- ENMOD Convention (1977) — UN Environmental Modification Convention
- HAARP program documentation — US Air Force, US Navy, DARPA joint program, Gakona AK 1993–2014
- Project West Ford (1963) — US copper needle injection experiment
Patent text compiled from Google Patents. Machine-translated from Russian; original Russian text at the above URL.