Assignment On Aircraft Power Systems

Assignment On Aircraft Power Systems In this assignment, I intend to provide a brief presentation about the principle of operation of the aircraft electrical power systems, specifically, Integrated Drive Generators (IDG) in a modern aircraft. I will compare and contrast the fluid and electrical methods of power generation and give a brief on the safety precautions to be followed when handling aircraft electrical power supplies and during a functional test. There are various kinds of power generation on an aircraft, namely electrical (generators batteries), fluid (hydraulics pneumatics). Depending upon the application, the power sources may vary. AIRCRAFT ELECTRICAL SYSTEM The main function of any aircraft electrical system is to generate, regulate and distribute the electrical power in the aircraft. Modern aircrafts use more electrical power as they are equipped with more Electronic Flight Instrument System (EFIS). This is done so as to reduce pollution in the environment, for a clean and safe flight. Electrical power is used to operate: Aircraft Flight Instrument- Electronic Centralized Aircraft Monitoring (ECAM) Essential Systems- Primary Flight Display (PFD), Navigation Display (ND) Passenger Services- In-Flight Entertainment (IFE) Most of the aircraft systems use a power standard of 115 [emailprotected] 400Hz; 28VDC. There are various electrical power sources on the aircraft: Engine Driven AC Generators (EDG) Auxiliary Power Units (APU) Ram Air Turbine (RAT) Battery Supply External/Ground Supply (Spoor, 2012) Components in an electrical system include: AC Generator/Alternator produces AC power. Constant Speed Drive Unit (CSDU) regulates the rotating speed (input) to deliver a constant output from the engine to the generator. Integrated Drive Generator (IDG), Generator and CSDU connected either coaxially or side-by-side. Mostly coaxial connection. Transformer Rectifier Unit (TRU) converts the AC power to DC power Generator Control Unit (GCU) monitors and controls the generator output. Each engine powers up one or more generators. Airbus A380 has four engines and four generators. Whereas, Boeing 777 has two engines and two generators. The power produced by these generators is used to power up the entire aircraft. (Boeing, 2012) All the other power sources, except external supply, are used in case of emergencies only. External power supply is used on ground when the engines and the APU are not running. It is supplied via Ground Power Unit (GPU). GPU can be portable or stationary and they provide AC power through the external plug on the nose of the aircraft. They can be used to power up an entire aircraft or a specific area in the aircraft. (Spoor, 2012) Figure : Aircraft Electrical System (Classic Jet Sims, 2012) AIRCRAFT HYDRAULIC SYSTEM The principle of a hydraulic system is to convert fluid power into mechanical power and then use it for various applications on the aircraft, such as extension/retraction of landing gears, flaps, and speed and wheel brakes. The power source here is the hydraulic fluid. The pressure for generating the hydraulic power is supplied by the Engine Driven Pump (EDP) and the Electric Motor Driven Pump (EMDP). They are both mounted on the engines. Commonly used hydraulic fluids on the aircraft are: MIL-H-5606 (Mineral Based Fluid) MIL-H-83282 (Synthetic Hydrocarbon Based Fluid) MIL-H-87257 (Same as MIL-H-83282, but it has been improved in its low temperature viscosity) MIL-H-8446 (Phosphate-Ester Based Fluid) (Wikipedia, 2012) Special care must be taken when handling the hydraulic fluid. Some of the hydraulic fluids are skin/eye irritant. Also it is extremely important for the fluid to be free from any contamination for flight safety. Advantages of the hydraulic system as a power source includes: Lightweight Easy installation Simplified Inspection Minimum Maintenance Approximately 100% system efficiency, with only negligible loss due to friction. (EAC, 2012) Figure : Basic Hydraulic System (Free Online Private Pilot Ground School, 2006) COMPARISON OF AIRCRAFT ELECTRICAL AND HYDRAULIC SYSTEM FEATURE ELECTRONIC HYDRAULIC Construction Power is generated by the engine, by rotation of turbine shaft. Power is generated by incompressible hydraulic fluid. Pressure for hydraulic actuation is supplied by EMDP and EDP. Similar to that of an electric circuit. Components include: Generators/Alternators, Batteries, Switches, Bus bars, Fuses, Circuit Breakers, Voltage Regulators, Ammeters, and Wires. (Free Online Private Pilot Ground School, 2006) Components include: Reservoir, Pump, Hydraulic Fluid, Accumulators, Actuators, Filters, Hydraulic Fuses, Tubing, Pipes, Valves, and Seals. Uses Lights, Radio Equipment, Indicators, Warning Systems, Heaters, Starting motor. (FlightLearnings, 2012) Extension/retraction of landing gears, flaps, and speed and wheel brakes. Principle of Operation Generate, Regulate and Distribute electrical power generated. Work is done by moving an incompressible fluid, Pascals Law. (EAC, 2012) EMERGENCY DEPLOYMENTS IN EVENT OF GENERATOR(S) FAILURE In case of main engine driven generator (EDP) failure, there are various methods to ensure continued power supply for safe landing: Auxiliary Power Unit (APU) Ram Air Turbine (RAT) Battery When the main engine generators fail, APU or RAT is deployed. When the secondary methods fail, batteries are used as the last resort for a safe landing and evacuation. AUXILIARY POWER UNIT (APU) Auxiliary Power Units (APUs) is a small gas turbine engine which provides electrical, hydraulic and pneumatic power (depending on the design) for ground or in-flight operations. It is also used as a backup source in emergency situations. It is commonly found on large aircrafts. It is usually located in the tail end of the aircraft. When started, it normally runs on 100% speed. It produces 115VAC @ 400Hz. Some can also generate 28VDC. The main purpose of the APU is to start the engines in the aircraft. This is because the engine requires high rotational speed for its self-sustaining operation. In this case, APU is started by battery or hydraulic accumulator and then used to generate the necessary rotational speed. It is also used to run the equipment when the engines are shutdown. This is used for air conditioning for the passengers prior to engine start. However, it can also be connected to a hydraulic pump to power up hydraulic equipment (flaps and flight controls). (Wikipedia 2012) RAM AIR TURBINE (RAT) Ram Air Turbine is a small airflow driven turbine that is connected to either a hydraulic pump or an emergency alternator or a main generator. In normal flight, it is stowed away in closed compartment in wing or fuselage. It is deployed only when there is total power loss due to engine failures. It provides enough power to run the critical systems, such as, flight controls. The power generated by the RAT depends on the airspeed. More the speed, more the power generated will be. Some aircrafts use RAT in normal operation. For example, in crop dusting RAT is used to power up the chemical sprayer. (Wikipedia, 2012) BATTERY Aircraft batteries are used to start the engines or the APU. But they are also used in emergency situations as a last resort for safe landing. There have been cases where it has been used to restart the engines even after engine flame-out. They also act as a buffer for the DC connections. It regulates the voltage to ensure the power quality for the equipment connected to it. Two types of batteries are used in aircrafts today, Lead-acid and Nickel Cadmium (Ni-Cd). Lead-acid batteries are either valve regulated or vented. They are used in light and general aircrafts. Ni-Cd batteries are used in larger aircrafts. Lead-acid batteries are generally heavier and have less capacity than the Ni-Cd ones. (Dr. Thomas, 2010) Figure : Lead-Acid Battery (Chief Aircraft, 2012) Figure 4: Nickel-Cadmium Battery (Surplustraders.net, 2012) AIRCRAFT ELECTRICAL SYSTEM USING FREQUENCY WILD AC GENERATOR From 1950s to early 1960s some turboprop aircrafts used frequency wild, now Variable Frequency (VF) system. Airbus A380 and Boeing 787 Dreamliner are some of the modern civil aviation aircrafts that have adopted the VF system again. Figure : Simplified Frequency Wild System (Scribd, 2012) CONSTRUCTION As shown in Fig.4, the Variable Frequency Generator (VFG) is directly connected to the engine gear box. (Langlois, 2004) states: VFG is a conventional wound rotor synchronous alternator. There is no CSD or IDG in this system. This is done so as to improve the reliability of the system and also to reduce the weight of the aircraft. Airbus A380 uses aluminium cables instead of copper for weight reduction. The system is also fully computerized. Contactors and Breakers have been replaced by solid-state devices for increased reliability and performance (Global Aircraft, 2012). OPERATION Frequency Wild AC power can only be supplied to the resistive circuits such as the electrical heater, engine de-icing heaters, windshield heating, etc. as shown in Fig. 4. The AC power generated is sent to the TRU where the voltage is stepped down from 360Hz-760Hz (Langlois, 2004) to 28V and then rectified to DC voltage. Then it is used by the DC components. CONTROL PROTECTION A traditional Constant Frequency unit has only a constant frequency of 400Hz voltage supply. A constant speed drive unit drives the generator. It is also expensive and not easy to maintain. A VFG is flexible as it can handle a range of frequencies rather than a constant one. In this unit, there is no CSD or IDG. It is more advantageous over Constant Frequency Unit because: It has low maintenance Long lifespan Cheaper Process temperature is controlled within VFG itself. Equipment protection from excess torque damage The variable frequency generator (VFG) is used on applications with a high percentage of resistive AC or DC loads and provides power to many of the next generation aircraft. Hamilton Sundstrands variable frequency starter generator (VFSG) and motor controller system provides main engine start and control. The voltage is controlled around the generator. This is done by controlling field strength of the AC generator by feedback signal from the voltage regulator, which keeps the voltage constant irrespective of the speed and load variations. VFGs are preferred over DC systems because they were much less affected by poor brush performance at higher altitudes and they had better power to weight ratio. AC/DC ELECTRIC MOTORS AND ACTUATORS PERFORMANCE DC actuators are typically high-speed reversible series-wound motors. Their output is converted to driving torque using step-down gearbox. These motor actuators are self-contained units, as they combine both electrical and mechanical devices. They can exert linear thrust over a short distance. AC MOTOR DC MOTOR

Retributive Justice Essay

Retributive justice is a very pronounced element in Charles Dickens’ novel, Oliver Twist. Common knowledge to the experienced reader, Dickens was a man of sarcasm, who played on words and had a very straightforward, honest way of writing, unlike most of his characters’ personalities. Oliver Twist, who led a twisted lifestyle as a young boy, was influenced by various people: some good, some bad. Like karma, Dickens made sure to give the dishonest, viciously cruel characters what they truly deserved, which may have been just about the only honest thing to happen in their lives. Some of these characters who were treated the way they treated others, or who got what they deserved, were Mr. Bumble, Bill Sikes, Monks, as well as Fagin. Without retributive justice being a key element in Dickens’ novel, its classic success in the world of literacy would be virtually non-existent. One of the novel’s characters, who is most present at the beginning of the story, was a victim of one of Dickens’ swift acts of retributive justice. Mr. Bumble was a self-absorbed, arrogant beadle, who thought rather highly of himself. He was a member of the workhouse in which Oliver was born. He was also a member of a Christian church, who preached about the moralities of Christians, yet bluntly contradicted himself with the manner in which he treated his paupers. He was cruel, the complete opposite of understanding, and showed absolutely no signs of compassion towards the people under his care. Dickens used his great understanding and knowledge in the use of name symbolism in the beadle’s name, â€Å"bumble†, to say that he stings like a bumblebee. Bumblebees may seem cute and fluffy on the outside, but when they sting, they hurt, much like Mr. Bumble’s personality. Dickens demonstrates Mr. Bumbles’ cold-hearted, stinging personality when h e says: Oliver fell to his knees, and clasping his hands together, prayed that they would order  him back to the dark room- that they would starve him- beat him- kill him if they pleased- rather than send him away with the dreadful man. Read more:  Essay About Justice Denied is Justice Delayed â€Å"Well!† said Mr. Bumble, raising his hands and eyes with most impressive solemnity. â€Å"Well! of all the artful and designing orphans that ever I see, Oliver, you are one of the most bare-facedest†. (Dickens 46) He received Dickens’ generous retributive justice when he ran away with Mrs. Corney, the matron of the workhouse, where Oliver was born. Mrs. Corney was basically in charge of the workhouse and put Mr. Bumble in his place when he entered. He decided to try to order the ladies around after seeing them chatting amongst each other and Mrs. Corney wanted none of it. She quickly dismissed his, self-declared power, in front of all the workers. â€Å"I’ll tell you what, Mr. Bumble,† returned his lady. â€Å"We don’t want any of your interference. You’re a great deal too fond of poking your nose into things that don’t concern you, making everybody in the house laugh the moment your back is turned, and making yourself loo k like a fool every hour in the day. Be off; come!†. (Dickens 324) This is an example of one of Dickens’ acts of retributive justice because Mr. Bumble – who’s used to having the authority and power that came with him being a beadle – was quickly and painfully taken away of the power he thought he had gained, by marrying Mrs. Corney. Another example of Dickens’ mischievous acts of retributive justice occurs to Bill Sikes. Sikes considered himself a â€Å"professional† burglar, which wouldn’t be so bad if being a burglar could be considered anything positive. He was brought up in Fagin’s gang and trained by Fagin, himself. Sikes is Nancy’s so-called, â€Å"lover†. He treats this young woman with a rather odd combination of cruelty and envious affection. Sikes gets the real sense of Dickens’ capabilities in his use of retributive justice after he brutally murders Nancy. While trying to avoid an angry mob of people, who have recently discovered that his identity is a match to Nancy’s murderer, he then accidentally hangs himself. Not only does his name imply that Sikes is somewhat psychotic, but he proves this to the readers. While attempting to evade the angry mob, he decides to climb up through buildings, rather than away. He ties a rope to swing to another roof-top, but mistakenly and regretfully hangs himself. Staggering as if struck by lightning, he lost his balance and tumbled over the parapet. The noose was on his neck. It ran up with his weight, tight as a bow-string and swift as the arrow speeds. He  fell for five-and-thirty feet. There was a sudden jerk, a terrific convulsion of the limbs; and there he hung, with the open knife clenched in his stiffening hand. (Dickens 453) Dickens couldn’t have used retributive justice any better. He literally allowed Sikes through his clever writing abilities get treated the way he treated another person. Although, Sikes’ death was somewhat more brutal than Nancy’s he could have easily prevented his own death, had he not chosen to take his â€Å"lover’s† life. Dickens’ didn’t just give the readers two scenes with acts of nemesis. On the contrary, he gave the readers numerous ones, some less apparent, dramatic or damaging than others, yet still present. One example of the less apparent demonstrations of Dickens’ power with retributive justice happened to Monks, whose formal name is Edward Leeford. Monks, who happens to be Oliver Twist’s half-brother through their father’s side, was awarded part of Mr. Leeford’s estate after his passing. Oliver was rightfully entitled to a portion of the estate, but on the condition that the family name’s reputation hadn’t gone wrong. Monks, by concealing Oliver’s true identity, along with his plan to give the young boy a bad reputation, prevented Oliver from being awarded his fair share. When Mr. Brownlow approached Monks about the will, Monks denied everything Mr. Brownlow had mentioned and stated the following sentence: â€Å"’I have n o brother,’ replied Monks. You know I was an only child. Why do you talk to me of my brother? You know that as well as I’† (Dickens 434). In the end though, with the help of Mr. Brownlow, Dickens permits Oliver to be awarded his share of the estate, by forcing Monks to give Oliver his share. A final act of nemesis, or retributive justice on Dickens’ part, occurs when Fagin is hanged for his crimes against the children he trained to be pickpockets and thieves. Fagin, who was a criminal by career, bought and sold, even traded stolen goods that the young children he had trained, stole. Fagin even stated: â€Å"Ah†¦ They- they’re mine, Oliver; my little poverty. All I have to live upon, in my old age. The folks call me a miser. Only a miser, that’s all† (Dickens 90). When Fagin said this, Dickens’ made sure that it was obvious to the reader that he was being very sarcastic. Towards the ending of the book – even though he had rarely committed the  crimes himself – Fagin is awarded his piece of justice that backfired with his previous statement, when he is hanged behind bars. In conclusion, Dickens was probably one of the greatest authors of all classic literature; not only for his novels and other pieces of literature, but also for the various ways he easily incorporated literary components: pathetic fallacy, verbal irony and sensory appeal. More particularly, his use of nemesis and retributive justice in his works such as this novel, Oliver Twist, is what made him such a great writer. From Mr. Bumble to Fagin and all other characters in between, like Monks and Sikes, Charles Dickens didn’t hold back any of his talents. This let the readers truly get involved in the reading of this novel and also keeping them from wanting to put the book down, until they had absorbed every last word of his clever and humoristic abilities.

Testing the Principle of Proxemics

I went to a Tim Horton set beside a woman. I set in a casual distance of 2. 5 to 3 feet next to her without talking. She looked at me and smile. Without talking I started observing her. She had a quick and careful glance at me, a suspicious look. She seemed scared and not normal. By looking at her face, I felt that probably she takes drugs. Without saying anything, she just walked out. The way she walked out, it seemed like she got scared of me for some reason. Next day I went to the same place and set facing a man who was alone.Without talking to that man I started reading the newspaper (just to show him that I am reading newspaper, actually I was observing him). He looked at me multiple times and was smiling. Seemed like he wanted to start a conversation. The goal of interview is to gather information which typically designed to allow the interviewer to learn about the interviewee in a non-threatening way. On the other side an interrogation is a more aggressive interview, in the se nse that the same ultimate goal is present as with an interview, but the means of reaching that goal take on a slightly different feel.The role of proxemics in meeting these goals are very significant. Increasing the amount of eye contact, the feeling of comfort and the amount of verbal response by the interviewee have been goals of investigators in designing interview situations. There is less eye contact at closer distances and less eye contact when the interview is conducted in a large room. In one study, when the interview was performed at distances between the interviewer and interviewee of 2 feet, 4'/z feet, and 9 feet, the greatest amount of talking by the interviewee occurred at 9 feet.Rapport always affects the quality of the interviewing process. It is a productive interpersonal climate. By building report both parties in an interview get along with each other which makes the interview more successful. An interviewee is more likely to cooperate with someone with whom they feel comfortable and to bring this comfort rapport is an essential thing. Rapport-building establishes harmony in the interview, leads to free discussion and creates willingness in the mind of the interviewee.Some forms of non-verbal communications for developing rapport are given bellow: 1. Smile 2. Eye contract. 3. Good Posture. 4. Tone of Voice Good eye contact and confidence are the personal qualities of the interviewer that enable him or her to conduct successful interrogations. Also an interviewer should be able to listen what the interviewee is saying, and know how to engage them in an active conversation with encouragement, energy, and interest.

The Scarlet Letter, By Nathaniel Hawthorne - 1505 Words

The main idea of The Scarlett Letter novel is â€Å"sin and its impacts† on both individual and society which is demonstrated through its characters Hester Prynne, Arthur Dimmesdale and Roger Chillingworth. This main idea hailed from the author’s deep rooted puritanism. Hawthorne illustrated different levels of his main idea through his three characters. Each of the main characters are guilty of one kind of sin such as sin of adultery (Hester Prynne), sin of hypocrisy (Arthur Dimmesdale) and sin of vengeance (Roger Chillingworth). In this novel, the main character Hester Prynne has been punished for her sin of adultery. Nathaniel Hawthorne insists that all of us are sinners as per the strict puritan principles but some are punished severely. A main question among the readers is why this young woman alone punished harshly for a moral wrong doing. He states in The Scarlet Letter In the view of Infinite Purity, we are sinners all alike. Hester Prynne was a young women living in the â€Å"New World† in Puritan community. Her husband Roger Chillingworth was believed to be lost at the sea and died. Hester as a young widow committed a crime of adultery with her fellow Minister Arthur Dimmesdale which resulted in the birth of her daughter Pearl. When the â€Å"New World† people became aware of her sins she was punished with imprisonment and they made her wear the scarlet letter â€Å"A† for her adultery as a punishment. Throughout the novel, Hawthorne feels. Hester was also asked to wear theShow MoreRelatedThe Scarlet Letter By Nathaniel Hawthorne1242 Words   |  5 PagesLYS PAUL Modern Literature Ms. Gordon The Scarlet Letter The scarlet letter is book written by Nathaniel Hawthorne who is known as one the most studied writers because of his use of allegory and symbolism. He was born on July 4, 1804 in the family of Nathaniel, his father, and Elizabeth Clark Hathorne his mother. Nathaniel added â€Å"W† to his name to distance himself from the side of the family. His father Nathaniel, was a sea captain, and died in 1808 with a yellow fever while at sea. That was aRead MoreThe Scarlet Letter By Nathaniel Hawthorne960 Words   |  4 Pages3H 13 August 2014 The novel, The Scarlet Letter, was written by the author Nathaniel Hawthorne and was published in 1850 (1). It is a story about the Puritan settlers of the Massachusetts Bay Colony, set around 1650 (2). The story is written in the third person with the narrator being the author. The common thread that runs through this novel is Hawthorne’s apparent understanding of the beliefs and culture of the Puritans in America at that time. But Hawthorne is writing about events in a societyRead MoreThe Scarlet Letter, By Nathaniel Hawthorne919 Words   |  4 Pagessymbolism in Nathaniel Hawthorne’s â€Å"The Scarlet Letter†. Symbolism is when an object is used in place of a different object. Nathaniel Hawthorne is one of the most symbolic writers in all of American history. In â€Å"The Scarlet Letter†, the letter â€Å"A† is used to symbolize a variety of different concepts. The three major symbolistic ideas that the letter â€Å"A† represents in Nathaniel Hawthorne’s â€Å"The Scarlet Letter† are; shame, guilt, and ability. In Nathaniel Hawthorne’s â€Å"The Scarlet Letter†, the firstRead MoreThe Scarlet Letter By Nathaniel Hawthorne1397 Words   |  6 PagesFebruary 2016 The Scarlet Letter was written by Nathaniel Hawthorne in 1850 which is based on the time frame of the Puritans, a religious group who arrived in Massachusetts in the 1630’s. The Puritans were in a religious period that was known for the strict social norms in which lead to the intolerance of different lifestyles. Nathaniel Hawthorne uses the puritan’s strict lifestyles to relate to the universal issues among us. The time frame of the puritans resulted in Hawthorne eventually thinkingRead MoreThe Scarlet Letter By Nathaniel Hawthorne999 Words   |  4 Pages Nathaniel Hawthorne is the author of the prodigious book entitled The Scarlet Letter. In The Scarlet Letter, Hester Prynne commits adultery with Reverend Arthur Dimmesdale. Her husband, Roger Chillingworth, soon finds out about the incident after it becomes clear that she is pregnant. The whole town finds out and Hester is tried and punished. Meanwhile, Roger Chillingworth goes out then on a mission to get revenge by becoming a doctor and misprescribing Dimmesdale. He does this to torture DimmesdaleRead MoreThe Scarlet Letter, by Nathaniel Hawthorne1037 Words   |  5 Pagesthat human nature knows right from wrong, but is naturally evil and that no man is entirely â€Å"good†. Nathaniel Hawthorne, author of the classic novel The Scarlet Letter, believes that every man is innately good and Hawthorne shows that everyone has a natural good side by Hester’s complex character, Chillingworth’s actions and Dimmesdale’s selfless personality. At the beginning of the Scarlet Letter Hester Prynne is labeled as the â€Å"bad guy†. The townspeople demand the other adulterer’s name, butRead MoreThe Scarlet Letter By Nathaniel Hawthorne1517 Words   |  7 PagesNathaniel Hawthorne composes Pearl as a powerful character even though she is not the main one. Her actions not only represent what she is as a person, but what other characters are and what their actions are. Hawthorne makes Pearl the character that helps readers understand what the other characters are. She fits perfectly into every scene she is mentioned in because of the way her identity and personality is. Pearl grows throughout the book, which in the end, help the readers better understandRead MoreThe Scarlet Letter, By Nathaniel Hawthorne1488 Words   |  6 Pages In Nathaniel Hawthorne’s novel The Scarlet Letter, the main character, Hester Prynne, is a true contemporary of the modern era, being cast into 17th century Puritan Boston, Massachusetts. The Scarlet Letter is a revolutionary novel by Nathaniel Hawthorne examining the ugliness, complexity, and strength of the human spirit and character that shares new ideas about independence and the struggles women faced in 17th century America. Throughout the novel, Hester’s refusal to remove the scarlet letterRead MoreThe Scarlet Letter By Nathaniel Hawthorne1319 Words   |  6 PagesPrynne and Arthur Dimmesdale are subject to this very notion in Nathaniel Hawthorne s The Scarlet Letter. Hester simply accepted that what she had done was wrong, whereas Dimmesdale, being a man of high regard, did not want to accept the reality of what he did. Similar to Hester and Dimmesdale, Roger Chillingworth allows his emotions to influence his life; however, his influence came as the result of hi s anger. Throughout the book, Hawthorne documents how Dimmesdale and Hester s different ways of dealingRead MoreThe Scarlet Letter By Nathaniel Hawthorne1714 Words   |  7 PagesSome two hundred years following the course of events in the infamous and rigid Puritan Massachusetts Colony in the 1600s, Nathaniel Hawthorne, descendant of a Puritan magistrate, in the 19th century, published The Scarlet Letter. Wherein such work, Hawthorne offered a social critique against 17th Massachusetts through the use of complex and dynamic characters and literary Romanticism to shed light on said society’s inherent contradiction to natural order and natural law. In his conclusive statements