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Text Chapter 347 The battle under the sea

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    The American "SSN588" attack nuclear submarine Hunhan did not feel that the danger was right in front of him.  zhuzhudaO.com In the sea area where nho lurks, it continuously uses the sQs4 active sonar array located on the upper end of the torpedo tube to emit pulse sound waves into the sea area to detect whether the surrounding area may be the most ", enterprise".  The USS aircraft carrier fleet poses a threat to hidden submarines lurking.  The echoes they received from the water targets showed that they were just undulating mountains on the rugged seabed.  The An/BoR-B passive sonar array under the "Evil Man" is also silently and fully receiving all the radiated noise and signals emitted by hydroacoustic equipment in the surrounding sea area. What it gets is that except for myself,  The only sounds made by the submarine were the sounds of fish and thousands of background noises from the ocean.  ¡¾¡¿ Based on the report from the sonar room, Major Finaclin, the deputy captain on duty, concluded that "the water in this sea area is safe."  So he followed the orders given to him by the nautical charts with red, green and green lines and arrows given to him by Colonel Iveda.  Keep searching forward.  What Major Fenaclin never expected was that there was an underwater killer of the Chinese Navy known as the "undersea black hole" hidden among the C-shaped mountain cols on the seabed they had just searched.  , a Dolphin-class conventionally powered electric diesel submarine.  Listening to the U.S. nuclear submarine rumbling past him, "nh's first reaction was that this was the best opportunity to destroy the U.S. nuclear submarine. He swallowed subconsciously and suppressed his urge to fire."  Because the "Nho" submarine "received an order from Commander Wang Wei of the "MZD" aircraft carrier fleet before it dived, "it can target the US nuclear-powered aircraft carrier "MZD" oo kilometers away,"  The USS "MZD" aircraft carrier fleet is tracking; any U.S. warships and military aircraft that enter the 0-kilometer warning circle are given combat orders to fire without prior warning. The current position is outside the "MZD" aircraft carrier's 0-kilometer defense circle.  Therefore, he could violate the order and order the fire without authorization unless he had to. He ordered the submarine "Nho" to dive 50 meters, turn off the engine and turn on the noise detector in a mountain depression with complicated ocean currents between two sea hills.  and water temperature measuring device, allowing the submarine to enter a silent stealth state. Sound does not propagate in a straight line in the water. The transition layer can keep the propagation of sound above or below a specific level. The working environment of sonar is an ocean with dynamic changes in physical and chemical properties, and sound waves propagate.  Its characteristics can change with time and location. No matter where the seawater is, it is cold below 50 meters. Due to the difference in temperature of the upper and lower seawater, the sound waves will undergo complex and tortuous changes, even for sonar with advanced performance.  It is impossible to determine the exact position of the submarine. Especially in such complicated sea conditions, it is even more difficult to detect the "Dolphin" class submarine equipped with silencer tiles when it enters the silent stealth state.  Later, Colonel Zhao Hailong ordered the submarine "NHO": "Lock this American nuclear submarine, use electric navigation, track the target American submarine, and fire as soon as it enters the edge of the defense circle."  " Zhao Hailong clicked the mouse and switched the computer page on the display console in the command room. The screen showed the noise value curve left by the American nuclear submarine. The highest value was, wu decibels." The mute effect of such a submarine is impossible.  Pk with the "Dolphin" class submarine of China. It is impossible for a submarine with such loud noise at this level to run away. The huge noise will expose its every move.  There is simply no way to get rid of the tracking of the "dolphin" that he is stationed in.  Not to mention the use of "Sea Wolf" anti-submarine missiles, but the use of Y-A 5mm heavy-duty torpedoes whose guidance system adopts "Blue Sky 6o486 microprocessor" and can be guided by wire guidance, active and passive acoustic guidance or wake guidance.  , this American nuclear submarine is also doomed, and it is not easy to defeat it.  He glanced at the digital chart on another computer screen on the display console. The constantly beating numbers provided real-time information on the actual distance and position between the "Nho" submarine and the American nuclear submarine. It was now as close as the nuclear power "MZD"  The aircraft carrier's 00-kilometer defense circle still has 5 kilometers.  Captain Zhao Hailong issued the order to "prepare for five minutes for torpedo firing" through the "dolphin", the multi-functional "pioneer" equipped on the submarine, and the digital combat intelligence command system.  "Nho" submarine's torpedo cabin launch console loudspeaker issued the captain Zhao Hailong's command to "prepare for five minutes torpedo launch", and then the electronic clock on the launch platform entered the launch countdown.  The computer screen on the launch console shows the marine environment sensor and electronic command and control system, which integrates the radar system, fire control system, and automated identification friend or foe system equipped on the submarine. According to information on the target of the U.S. nuclear submarine  Quickly calculate the firing parameters, and provide automatic firing control, the following tactical movement and weapon delivery methods.  "Nho" submarine's torpedo launch chamber entered intense pre-launch preparations, "Torpedo cabin duration report, torpedo launch preparations completed", ""Unlock the safety" Zhao Hailong issued the last order before firing. The torpedo cabin commander inserted the key hanging around his neck into the keyhole on the upper end of the shooting button and opened the safety of the shooting button. The operator placed his right finger on the flashing green  Turn on the light button, and then stare at the constantly beating electronic clock above the launch console. Shoot o.9.8.7o! While the numbers on the electronic clock are beating o, stand in front of the "Nho" submarine torpedo launcher.  The operator pressed the firing button. From the "Dolphin", a 5mm heavy-duty torpedo roared out of the bow of the submarine like a dragon entering the water, carrying a white bubble, like a sharp weapon.  The arrow drew a white line in the dark sea water, chasing the "evil man" who was 0 kilometers in front of him at a speed of 50 knots per hour and searching for the "evil man" at a speed of 8 knots per hour.  Zhao Hailong had no idea about the attack effect of Y-A 5mm heavy-duty torpedo. He knew that in 9 minutes, the American nuclear submarine would definitely die.  He has absolute confidence and certainty in the Y-A 5mm heavy-duty torpedo.  Zhao Hailong was one of the first batch of cadets at the Submarine Academy in New Zealand. He joined the army from Tianjin Nan in 1998 and served as an instructor of the 4th Regiment of the 5th Division of the 9th Army. In 1995, he was awarded first-class merit in the Yunshan battle in Korea. "95  After returning to China in 1999, he was transferred to the Communications College of the People's Liberation Army. The following year, he was transferred to the Naval Submarine Academy of the People's Liberation Army. He graduated in 1954 and was assigned to the submarine brigade of the South China Sea Fleet of the People's Liberation Army. In 1959, he served as a trainee captain.  , participated in the Battle of the Bay of Bengal in the Indian War. In that naval battle, the "Dolphin" of the Indian Ocean Fleet of the Indian Navy, where he was an intern, used the "Sea Wolf" missile to sink the Indian Navy's "Vikrant"  aircraft carrier.  Although he was only a "student" captain and trainee captain in the command room of the "Dolphin" class submarine No. 900 in the Indian Ocean Fleet of the Chinese Navy at the time, he still had a good understanding of the shipboard weapons on the "Dolphin".  The Y-A 5mm heavy torpedo is one of the most effective weapons for attacking and destroying enemy submarines. The Y-A 5mm heavy torpedo at that time was not as advanced as it is now. Now the Y-A 5mm heavy torpedo adopts a modular design and an open software architecture  The designed torpedo is powered by liquid fuel, and the guidance system uses the "Blue Sky 6o486 microprocessor".  The Y-A 5mm heavy-duty torpedo has two characteristics: first, it has the characteristics of working in deep water.  Its combat depth is generally in the range of tens to hundreds of meters, and it can also be fired at deeper seabeds.  It can track the target submarine within the submarine's sailing depth without affecting its own navigation performance.  Secondly, "the Y-A 5mm heavy torpedo has the characteristics of bi-plane tracking. It can maneuver in the three-dimensional underwater space." The Y-A 5mm heavy torpedo is equipped with a homing system.  When the torpedo attacks the target, the torpedo homing system uses active and passive acoustic guidance or wake guidance and other guidance methods. "Wake guidance" is a more advanced guidance method. The Y-A 5mm heavy torpedo is detecting  When it reaches and passes through the wake of the attack target, the rudder can be turned at a certain angle in order to face the attack target. This homing method allows the 5mm heavy-duty torpedo to snake like a snake, piercing the water left and right to pursue the target.  Target. The 5mm heavy-duty torpedo can freely track and attack target submarines and surface ships along the horizontal and vertical planes under the control of the homing system or the wire guidance system. It adopts variable advance angle tracking in the horizontal plane and tail pressure in the vertical plane.  Tracking. The heavy-duty 5 mm torpedo of the Chinese Navy is the result of the hard work of Chinese scientific researchers and workers. It is based on the information provided by the "base" and is a copy of the fish of later generations -  6 heavy-duty anti-submarine torpedo product" was developed and designed by the National Scientific Research Institute, Blue Sky Computer Research Institute, Navy 7o5 Institute, and Blue Sky University of Science and Technology.  At the same time, many companies have joined the production and manufacturing of Y-A 5mm heavy-duty torpedoes. Shanghai Precision Instrument Manufacturing Factory manufactured a new synthetic casing for the torpedo; Beijing Rubber Factory developed the muffler coating of Y-A torpedoes: Shenyang Electric Carbon Research Institute  Wear-resistant and high-temperature-resistant graphite materials are developed for the engine valves and other parts of the Y-A 5mm heavy-duty torpedo; Chongqing Changzheng Piston Ring Factory develops and manufactures piston rings for torpedo propellers.  Responsibility, escorting the USS Enterprise aircraft carrier fleet underwater. The sailors on the day shift were crowded into the small resting space on the submarine and fell asleep in the command room of the "Bastard".  The deputy captain put his feet on the small table in front of the captain's seat and trimmed his nails carefully with nail clippers out of boredom.  The sailors in the torpedo room at the bow of the boat were chewing gum to eliminate the bad breath caused by excessive stomach acid due to lack of oxygen in the body, while making dirty jokes to each other.  In the stern cabin of the boat, the sailors on duty checked the operating temperature of the main shaft from time to time.  In the power cabin, the chief engineer of the "Evil Han" constantly reminded the sailors in the reactor room, auxiliary engine room, and main engine room to check the operation of the main engine and reactor. Several sonar operators in the sonar room, each wearing a huge  The headset listened intently to the various sounds in the sea, and stared at the various sounds on the sound wave display.?Curve changes.  Everything is normal, nothing abnormal.  Suddenly, the sonar officer, Sergeant Redford, a black boy, opened his eyes wide, pressed the headset on his head tightly with both hands, and his expression suddenly became very focused.  "Not good!" Retford, the old black man, jumped up like his butt was on fire and exclaimed: "Torpedoes! There are torpedoes coming from behind!" At the same time, the alarm was sounded.  Suddenly, the bells of the entire "Evil Han" nuclear submarine rang loudly and the red lights flashed.  The U.S. Navy officers and soldiers on the "Evil Man" nervously rushed to their fighting positions.  Even the resting sailors were awakened by the sudden and urgent sound of the battle siren. Without putting on any clothes, they began to prepare for the takeover as planned.  Finaklin jumped up and took off the buzzing phone hanging on the reinforced support beam of the command module. "heLLo!"  hello!  what happened?  What!  torpedo?  "Which direction, which direction?" "Behind the submarine, 65 degrees, distance 00 meters, 50 knots, minutes to contact our submarine.  ", Retford reported hurriedly. In order to avoid the torpedo attack coming from a small angle on the right side and get rid of this passive situation, Finaclin shouted loudly: "Full right rudder!  quick!  Full right rudder!  "A sailor operating the "Bad Han" nuclear submarine loudly repeated the deputy captain's order: "Full right rudder!  "" Another sailor turned the rudder to the right as quickly as possible in order to allow the submarine to adjust its direction as quickly as possible.  "Float! Depth 0 meters! Open the outer door, prepare torpedoes!" Finaklin issued the second order.  In the torpedo launch bay of the "Evil Han", every battle position is filled with a tense atmosphere of preparation for war.  The torpedo shooter was organizing the activation of the torpedo launch system, "Quick! Open the outer door and fill it with water!", "The outer door of the launch tube has been opened, and the water injection is completed." The sailor responsible for injecting the hydrophobic system reported to the gunner.  "The firing switch has been turned on," the sailor operating the torpedo firing system shouted loudly.  "The injection bottle is filled with air," the sailor of the air injection system reported
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