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Role Of Chemistry In Engineering

ROLE OF CHEMISTRY IN ENGINEERING

Role Of Chemistry In Engineering

Engineering has been called applied science. The various disciplines of engineering focus on the design and construction of structures, machines, apparatus, or processes to solve problems. This requires an in-depth knowledge of the properties of materials and a broad knowledge of science and mathematics.
Although engineers use scientific principles in their designs, they must also consider economics and safety issues as well as efficiency, reliability, and ease of construction. In many cases, the best choice of materials for design may not be economically feasible and compromises must be made. The Accreditation Board for Engineering and Technology (ABET) lists 28 different areas of engineering in their 2012–13“CriteriaforAccreditingEngineeringPrograms.”These range from Chemical, Biochemical, Biomolecular Engineering, which use chemical principles on a daily basis, to Systems Engineering, which is typically not directly involved with chemical principles.
Chemical Engineering
ROLE OF CHEMISTRY IN ENGINEERING

In between these two extremes are disciplines that require a basic knowledge of chemistry, materials science, and/or environmental science to fully understand the problems they are to solve. Even those areas of engineering that do not use chemical principles directly are involved with them indirectly because chemical principles dictate the properties and behaviour chemistry in the engineering of materials, electrical systems, and electronic devices, as well as energy production and environmental impacts.

An engineer uses the macroscopic properties of materials such as the hardness, strength, malleability, or conductivity to determine the appropriate choice of materials for a specific project.
Many times, these macroscopic properties are experimentally measured. Chemistry is the study of the properties and behaviour of matter on the microscopic or the atomic/molecular scale. This description of matter on the microscopic scale lays the foundation for the underlying reasons for the properties and behaviour of materials observed on the macroscopic scale. By understanding the atomic and molecular forces that lead to the basic properties of materials, their macroscopic properties and their reactions to external stresses can be better understood and predicted.

The Significance of Chemistry in the Field of Engineering:

Chemistry exists everywhere and, it is all about everything around us. Chemistry is a branch of natural science. It deals principally with the properties of substances, the changes they undergo, and the natural laws that describe these changes.
Advancements in the field of chemistry have brought about major improvements in our world. In maximum fields of our modern science, Chemistry is highly required. Like other sides of Science, Engineering is one of the most important sectors that leads to the progress of our modern civilized world. So, a question should arise how chemicals are related to engineering.
Now we take a look at the significance of Chemistry in the field of Engineering.

Importance of Chemistry in Electrical Engineering:

In sure electrical topics, chemistry goes hand in hand with electrical parameters. Topics on batteries such as lead-acid or nickel-cadmium for instance. We also need knowledge about the chemical properties to deal with chemical reactions. Chemistry is the basis of electronic component design. Transistors, resistors, capacitors, inductors all require to be made out of some sort of chemical. The best (cheapest, easiest, fastest) design of these and more complex systems built out of them require understanding chemistry.
Metallurgy, Physical natural philosophy, VLSI / Wafer Engineering, and Solid State Physics is chemistry stuff. So is X-ray diffraction, and the chemistry of display equipment, eg. TV sets and oscilloscopes. Insulation for copper wires is polymers. Chemical properties of gases such as methane, hydrogen or other hazardous gases would help in selecting the right electrical apparatus for a hazardous classified area also.
How can Chemistry help Electrical & Electronic Engineers?
In Semiconductor natural philosophy, we use many kind mixtures of the element such as Silicon, Germanium, Indium ect. to engineer the structure of semiconductor wafer in nano-scale precision. That element can manipulate the movement of electron and hole inside the semiconductor wafer in the presence of electric field. This is helpful in developing high potency application like cell, lasers, high precision sensors etc. So, we can say that, it’s quite helpful to learn chemistry for the EEE students.

Importance of Chemistry in Mechanical Engineering:

Most mechanical engineers can ne’er bit chemistry once more but there’s a large portion of mechanical engineers that concentrate on the combustion that do use it. The coursework here is usually considered graduate level. A typical application is a reduction of unwanted exhaust products, increased power output of propulsive devices, and the analysis of thermal stresses on solids. The significance of chemistry in the field of engineering is widespread. Mechanical engineering also requires basic and important knowledge about chemistry. Most of the industrial processes of engineering need different kinds of chemical and, they have to use many chemical reactions. Mechanical Engineers typically use Chem in Materials and Thermodynamics courses. Not a lot of Chem, but enough that you should have at least one semester of Chemistry.

Reasons behind the significance of Chemistry in the field of Civil Engineering:

Civil engineering raises a higher demand for talents training. Along with the intercommunication between advanced chemistry and civil engineering, it is a professional requirement for the students of civil engineering to master elementary chemical knowledge. Advanced chemistry analyzes the chemical reaction and interactions between materials from the micro and macro views which will play an important role in the design, construction and operation management of civil engineering. In a word, explore a set of scientific and feasible chemistry teaching methods in the major of civil engineering and improve the teaching quality is of great significance to the training of civil engineering talents.

In the civil engineering professional knowledge system, the courses of mechanics of materials, construction materials, and concrete structure design principle and masonry structure are all closely related to chemistry.
We’ll state the extensive application of advanced chemistry in civil engineering from different perspectives to fully reflect its effect.

Cement (production, composition etc):

To produce cement stone and clay square measure created to react at high temperatures. The individual parts Ca, Si, O, Al, Fe rearrange themselves to form reactive cement. When mixed with water this cement can harden to become hydrous or hardened cement.
In the production of concrete grit or stone particles moreover as water square measure accessorial to cement. Concrete additives are used to create the properties of concrete, e.g. its flowability or hardening speed, meet the special requirements of a building project. These additives conjointly use chemical processes to alter initial the recent concrete and shortly the solid concrete. Civil engineers ought to perceive the chemistry of corrosion, the chemistry of concrete, and so on.

Construction elements:

Construction Chemicals offer product & systems employed in massive|the massive|the big majority of Construction applications : large infrastructures, sky-scrapers and towers, sport stadium, industrial buildings and plants, commercial areas, offshore windfarms, refurbishment and consolidation of concrete structures, tunneling industry, waterproofing systems and concrete protection, and several others. It is typically mixtures of substances (in liquid, paste or powder form) which are applied or used on the construction site.

Examples of construction chemical products are:

Additives for cement, gypsum and clay

  • Concrete and mortar admixtures and additives
  • Corrosion protection for reinforced steel in concrete
  • Modified, mineral mortar systems (repair mortars, renders, adhesives…)
  • Hydrophobing agents
  • Additives for Tunneling & Mining applications
  • Reactive resins (resins for injection, bonding, anchoring, moreover as flooring resins for park decks and industrial applications)
  • Sealing and bonding products in construction
  • Modified bitumen- based emulsions for waterproofing in construction
  • Liquid applied membranes for waterproofing in construction

Chemistry VS Chemical Engineering:

Chemistry explores all the aspects of substances, molecules, the reactions between them, at a microscopic scale. It has a huge role in the manufacturing of food, drinks, cosmetics, pharmaceuticals, medical innovations and treatments.

Sure, you may dismiss chemists as the mad scientists with one test tube in each hand, who laugh maniacally whenever they combine the two, but the real ones tend to stay plenty in laboratories, fastidiously examining and mixing chemical components, as they’ll prove necessary for future research…All this whereas riant maniacally, naturally.

Chemical Engineering deals with the design, manufacture, and operation of plants and machinery. Also, because that seemed too easy for some, it also deals with the development of new materials or substances.
Chemical Engineering is de facto regarding reworking raw materials (such as wood, metal, plastics, etc.) into helpful merchandise, that folks really depend upon daily, like food, clothes, energy, and what not.

Chemist
  • Chemists try to understand and explain the mechanism behind chemical reactions.
  • Chemists usually work with grams and millilitres at a time.
Chemical Engineers
  • Whereas engineers focus on designing/operating the processes to manufacture substances on a large scale.
  • However, engineers work with cubic meters and tons.

 

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