Friday, May 22, 2020

Battle of Chickamauga - American Civil War - William Rosecrans - Braxton Bragg

Battle of Chickmauga - Conflict: The Battle of Chickamauga was fought during the American Civil War. Battle of Chickamauga - Dates: The Army of the Cumberland and Army of Tennessee battled on September 18-20, 1863. Armies Commanders at Chickamauga: Union Major General William Rosecrans56,965 men Confederate General Braxton BraggLieutenant General James Longstreet70,000 men Battle of Chickamauga - Background: Through the summer of 1863, Major General William S. Rosecrans, commanding the Union Army of the Cumberland, conducted a skillful campaign of maneuver in Tennessee. Dubbed the Tullahoma Campaign, Rosecrans was able to repeatedly force General Braxton Braggs Army of Tennessee to retreat until it reached its base at Chattanooga. Under orders to capture the valuable transportation hub, Rosecrans did not wish to directly assault the citys fortifications. Instead, utilizing the railroad network to the west, he began moving south in an effort to sever Braggs supply lines. Pinning Bragg in place with a diversion at Chattanooga, Rosecrans army completed crossing the Tennessee River on September 4. Advancing, Rosecrans encountered rough terrain and poor roads. This forced his four corps to take separate routes. In the weeks prior to Rosecrans movement, Confederate authorities had grown concerned about the defense of Chattanooga. As a result, Bragg was reinforced by troops from Mississippi and the bulk of Lieutenant General James Longstreets corps from the Army of Northern Virginia. Reinforced, Bragg abandoned Chattanooga on September 6, and moved south to attack Rosecrans dispersed columns. This allowed Major General Thomas L. Crittendens XXI Corps to occupy the city as part of its advance. Aware that Bragg was in the field, Rosecrans ordered his forces to concentrate to prevent them from being defeated in detail. On September 18, Bragg sought to attack XXI Corps near Chickamauga Creek. This effort was frustrated by Union cavalry and mounted infantry led by Colonels Robert Minty and John T. Wilder. Battle of Chickamauga - Fighting Begins: Alerted to this fighting, Rosecrans ordered Major General George H. Thomas XIV Corps and Major General Alexander McCooks XX Corps to support Crittenden. Arriving on the morning of September 19, Thomas men took a position north of XXI Corps. Believing that he only had cavalry on his front, Thomas ordered a series attacks. These encountered the infantry of Major Generals John Bell Hood, Hiram Walker, and Benjamin Cheatham. The fighting raged through the afternoon as Rosecrans and Bragg committed more troops to the fray. As McCooks men arrived, they were placed in the Union center between XIV and XXI Corps. As the day wore on, Braggs numerical advantage began to tell and Union forces were slowly pushed back towards the LaFayette Road. As darkness fell, Rosecrans tightened his lines and prepared defensive positions. On the Confederate side, Bragg was reinforced by the arrival of Longstreet who was given command of the left wing of the army. Braggs plan for the 20th called for successive attacks from north to south. The battle recommenced around 9:30 AM when Lieutenant General Daniel H. Hills corps attacked Thomas position. Battle of Chickamauga - Disaster Ensues: Beating back the attack, Thomas called for Major General James S. Negleys division which was supposed to be in reserve. Due to an error, Negleys men had been put in the line. As his men shifted north, Brigadier General Thomas Woods division took their place. For the next two hours Rosecrans men repeatedly defeated the Confederate attacks. Around 11:30, Rosecrans, not knowing the precise locations of this units, erred and issued orders for Wood to shift position. This opened a gaping hole in the Union center. Alerted to this, McCook began moving the divisions of Major General Philip Sheridan and Brigadier General Jefferson C. Davis to plug the gap. As these men were moving forward, Longstreet launched his assault on the Union center. Exploiting the hole in the Union line, his men were able to strike the moving Union columns in the flank. In short order, the Union center and right broke and began fleeing the field, carrying Rosecrans with them. Sheridans division made a stand on Lytle Hill, but was forced to withdraw by Longstreet and a flood of retreating Union soldiers. Battle of Chickamauga - The Rock of Chickamauga With the army falling back, Thomas men held firm. Consolidating his lines on Horseshoe Ridge and Snodgrass Hill, Thomas defeated a series of Confederate assaults. Farther north, the commander of the Reserve Corps, Major General Gordon Granger, dispatched a division to Thomas aid. Arriving on the field they helped block an attempt by Longstreet to envelop Thomas right. Holding until nightfall, Thomas withdrew under the cover of darkness. His stubborn defense earned him the nickname The Rock of Chickamauga. Having incurred heavy casualties, Bragg elected not to pursue Rosecrans broken army. Aftermath of the Battle of Chickamauga The fighting at Chickamauga cost the Army of the Cumberland 1,657 killed, 9,756 wounded, and 4,757 captured/missing. Bragg losses were heavier and numbered 2,312 killed, 14,674 wounded, and 1,468 captured/missing. Retreating back to Chattanooga, Rosecrans and his army were soon besieged in the city by Bragg. Shattered by his defeat, Rosecrans ceased be an effective leader and was replaced by Thomas on October 19, 1863. The siege of the city was broken in October following the arrival of the commander of the Military Division of the Mississippi, Major General Ulysses S. Grant, and Braggs army shattered the following month at the Battle of Chattanooga. Selected Sources CWSAC Battle Summaries: Battle of ChickamaugaNational Park Service: Battle of ChickamaugaBattle of Chickamauga

Saturday, May 9, 2020

What Everybody Dislikes About Topics for Debate Essay and Why

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To write an excellent argumentative essay the students first must investigate several sides of the argument, allowing them to make an educated stance. Topics for Debate Essay Explained If you take part in debates, it's possible to also develop your research, note-taking, and analytical abilities, along with gain the capacity to create balanced, informed arguments and utilize evidence and reasoning. There are different kinds of debate questions connected with many regions of science. If you wish to teach controversial topics, you're require experience, maturity, an academic detachment to the topic, and a capability to moderate the discussion. It's important to select debatable argumentative essay topics since you need opposing points you may counter to your own points. Most Noticeable Topics for Debate Essay There are quite a lot of criteria for selecting a winning topic for a debate, but even when you really feel like selecting the right topic is a good deal of hard work, try to remember that it will surely pay off. Not each time you prepare for debate you will need to be serious. To make a great debate, it's important to keep the audience who get involved and get final choice. One of the absolute most important thing s you ought to consider when going into a debate is your opponent from the other side of the table, together with your audience, are likely to get controversial opinions on your topic.

Wednesday, May 6, 2020

Piping Free Essays

Introduction: The term fabrication applies to the cutting, bending, forming, and welding of Individual pipe components to each other and their subsequent heat treatment and nondestructive examination (N DE) to form a unit (piping subassembly) for installation. The term installation refers to the physical placement of piping subassembly, valves, and other specialty items in their required final location relative to pumps, heat exchangers, turbines, boilers, and other equipment; assembly thereto by welding or mechanical methods; final NEED; heat treatment; leak testing; ND cleaning and flushing of the completed Installation. Depending on the economics of the particular situation, fabrication may be accomplished in a commercial pipe fabrication shop, or a site fabrication shop, where portions of the piping system are fabricated into subassembly or modules for transfer to the location of the final installation. We will write a custom essay sample on Piping or any similar topic only for you Order Now As a general rule piping NAPS 21/2 (DNA 65) and larger for nuclear and fossil power plants, chemical plants, refineries, industrial plants, resource recovery, and generation units are most often shop fabricated. Piping NAPS 2 (DNA 50) and smaller Is often shop fabricated where special heat treatment or cleaning practices may be required: otherwise it is field fabricated. Pipelines and other systems involving long runs of essentially straight pipe sections welded together is usually field assembled. In recent years, the infusion of new bending technologies, new welding processes, new alloys, fracture toughness limitations, and mandatory quality assurance (QUA) programs have made piping fabrication and Installation much more complex than In the past. Greater emphasis Is being placed on written procedures for QUA and quality intro (ICQ) programs, special processes, and qualification and certification of procedures and personnel. Improper selection of fabrication or installation practices can result in a system, which will not function properly or will fail before its expected life span. Accordingly, fabrication and installation contractors must work closely with the designer and be aware of the mandatory requirements of the applicable codes, the unique requirements and limitations of the materials, and those of the fabrication and installation techniques being applied. Codes and Standards Considerations: A great many codes and standards apply to piping. It is incumbent on the fabricator and/or Installer to be familiar with the details of these codes and standards since some codes have the force of law, As an example, the SAME 331. 1 Power Piping Coded is referenced by SAME Section I Power Boilers: for piping classed as Boiler External Piping. The latter that is law in most states, contains rules for code stamping, data reports, and third-party inspection. Piping under SAME Section 1113 also has legal standing. Most other piping codes are used for contractual agreements. Most codes preference SAME Section for nondestructive examination methodology and SAME Section XIX for welding requirements. Each of the codes covers a deferent piping practices, some have mandatory requirements, while others only have recommendations. Heat treatment requirements may vary from one to another. The manner in which the code-writing bodies have perceived the hazardous nature of different applications has led to differing NEED requirements. Generally, the codes are reasonably similar, but the owner, designer, fabricator, and installer must meet the specifics of the applicable code to ensure a satisfactory installation. It is essential that the designer be very familiar with the code being used and that purchasing specifications for material, fabrication, and installation be very specific. Reference to the code alone is not sufficient. In the design, a particular allowable stress for a specific material, grade, type, product form, and/or heat-treated condition was selected. The specifications issued for material purchase and fabrication must reflect these specify to assure that the proper materials and fabrication practices are used. It is also incumbent upon the fabricator and/or installer to be very familiar with the applicable code. Each project should be reviewed in detail. â€Å"Standard shop practices† may not always produce the desired result. Communication between the designer, fabricator, and installer is essential. All should be familiar with the various standards used in piping design. Most piping systems are composed of items, which conform to some dimensional standards such as SAME 836. MM and SAME 836. MM for Pipe, 816. 57 for flanges, etc. The Manufacturers Standardization Society (MS) and the American Petroleum Institute (API) issue other dimensional standards. The Pipe Fabrication Institute (IF) publishes a series of Engineering Standards, which outline suggested practices for various fabrication processes. These standards give excellent guidance for many aspects of piping fabrication not covered by the codes. The American Welding Society (SAWS) publishes a number of recommended practices for welding of pipe in various materials. Materials Considerations: Piping systems are fabricated from a great variety of metals and nonmetals, material selection being a function of the environment and service conditions. Materials must inform to the standards and specifications outlined in the governing code. Some codes such as SAME Section Ill impose additional requirements on materials beyond those in the material specifications. All fabrication and installation practices applied to these materials must be conducted so as to assure that the final installation exhibits all of the properties implicit in the design. For example, hot bending of certain austenite stainless steels in the assassination range will reduce their corrosion resistance if they are not subsequently heat-treated. Accordingly, a heat treatment to restore these properties should be specified. How to cite Piping, Papers