Heat Research Papers Samples That Help You Write Better, Faster & with Gusto

Abstract:

In this research, the effects of pressure on the wear resistance characteristics, mechanical properties and the microstructures of Al-Si piston alloys that have variable Magnesium (Mg) content is studied. The paper begins with an explanation of the desirable properties of eutectic Al-Si alloys and why their chemical and mechanical properties are desirable in the fabrication of light weight machine components. The methods of strengthening the alloys further using alloying elements such as Ni, Cu and Mg, and applying heat treatment are also discussed. The paper also places major emphasis on the addition of Magnesium, and compares the traditional gravity Continue reading...

A Study on the effects of Squeeze Pressure on Microstructure, Mechanical Properties, and Wear Characteristics of Near-Eutectic Al-Si Piston Alloys with variable Cu contents.

Abstract:

This paper discusses the effects of squeeze pressure on the microstructure, wear characteristics and the mechanical properties of near eutectic Al-Si piston alloys with variable Copper (Cu) content. The paper starts with a description of Al-Si alloys and the features that make them desirable for use as piston alloys. The impact of alloying elements on the mechanical properties, microstructure and wear characteristics are also discussed where it is determined that adding alloying elements such as Continue reading...

Nuclear Reactor and its Basic Structure

Ever since the development of the first “generation” of commercially produced nuclear reactors in the 1950s, scientists and nuclear physicists have strived to improve the safety and efficiency standards of nuclear energy to make it less costly but more viable to those who want to harness this type of technology.
The World Nuclear Association (2015) defined an nuclear reactor as the one that is splits the atoms of certain radioactive elements or the fission of the atoms, control the reaction caused by nuclear fission, and harness the energy produced by the splitting and control to convert it to electricity. Continue reading...

Abstract

The aim of this paper is to investigate an effect of aging time on mechanical properties and wear characteristics of Al12Si3Cu1Mg1.78Ni alloy. This alloy is used for aluminium piston parts. The solution treatment was carried out at 500oC for 5 hours followed by water quenching. Subsequent aging was carried out at 1800C with various solution treatments times for 1, 2, 4, 6, 8, 9, 10, 12, 16, 20 and 24 hours. As-cast microstructure of this alloy contains eutectic Si, Mg2Si, Al2Cu, Al3Ni and various other intermetallic phases. After solution treatment, the flake like and acicular eutectic silicon appears to Continue reading...

Climate change was the term used frequently in research articles for over forty years before the term global warming was employed. In 1956, Gilbert N. Plass used the term climatic change in his paper, while it was only in 1975 that the term global warming was used by the author Wallace Broecker. In mass media, global warming and climate change are frequently exchangeable nowadays even though they have dissimilar scientific descriptions.
Global warming pertains to the elevation in the world’s typical exterior temperature from the time of the Industrial Revolution. It is principally attributable to the discharge of Continue reading...

The country of Iceland, also called as the Land of Ice and Fire, has become one of the leading sources of geothermal energy in the world. For over the years, Iceland has become a primary contributor for geothermal power for the whole United States. Ironically, Iceland is being coined as the Land of Ice and Fire because of its numerous degree of volcanism that had brought sufficient amount of heat and power as means to harness geothermal energy from the ground. In addition, an article written by Ping Zhou on About.com entitled “Geothermal Energy in Iceland: Harnessing The Volcanic Continue reading...

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1.0 Abstract
The report is divided into two major sections. The first section of the report deals with a discussion about fundamental physical quantities together with their SI units. The quantities highlighted in the report include Mass, length, time, temperature and plane angle. A discussion of the derived physical quantities together with their units has also been presented in clear detail. The second part of the report focuses on providing a discussion of two machines that apply thermodynamics and are used in oil and gas industry. The machines identified to apply Continue reading...

Question 1: (Metallic Materials)

Recrystallization:
This is the process of growth of grain fragments in an alloy when it’s being worked on. This affects materials properties and services while in use.
Examples such as steel’s properties are affected such that there is reduction in strength and hardness of the material and this affects its applications and behavior in service. Other materials such as copper are affected in the same way.

Hot or cold working:

Hot or cold working involves hardening of materials and also and also heating the material. Iron is an example and is affected by hot working where it can be cast in Continue reading...

A microwave oven is one of the most widely used kitchen equipment in the world. The history of microwave dates back to 1946. It was invented by an engineer named Spencer who was an employee of Raytheon Corporation. Spencer was involved with research in magnetrons. Its discovery was a by-product of another idea that was used in the warfare. The idea came as a result of research into radar technology using magnetrons. Spencer had a candy bar in his pocket in the laboratory and he realized later that it had melted. His investigations revealed that the candy bar was Continue reading...

Earth’s climate has undergone a lot of changes ever since it was formed about 4.5 billion years ago. It was hard to picture the condition of the planet during those millions of years ago, but we have an idea of what the Earth’s climate was like back then because of the clues that remained on rocks, fossils, trees etc. (EPA, 2015). According to National Geographic (2015), scientists were able to find chemical evidence of ice age from sediments and sedimentary rocks. The presence of rocks that formed from glacial material, in the ocean was also a clue Continue reading...

Waste-to -energy recovery is the conversion of unrecyclable waste to heat, electricity, or fuel through such processes such as combustion, pyrolysis, landfill gas recovery (LFG), and anaerobic digestion. Apart from electrical energy, the fuels obtained from waste to energy recovery methods include methane, ethanol, and methanol. These fuels are combusted either for electrical generation or to provide process heat in industries. This is a paper on waste-to-energy recovery and the commercial applications of the energy obtained.
Waste to energy recovery is referred as the first fuel option because of the numerous benefits it offers. Reddy opines that the main Continue reading...

Introduction

The need for cooling and heating systems in buildings and automobiles has been influenced by temperature variations created by climate change and weather changes as well as the desire for an appropriate temperature (Mitchell & Braun, 2013). These systems also referred as HVAC, heating, ventilation and air conditioning are made of various component parts. In the process of manufacturing heating and cooling systems, two major issues that are taken into consideration are: Efficiency and Efficacy. Efficiency in relation to consumption of energy i.e. Electric power is crucial in the manufacture of heating and cooling systems. Additionally, users and manufacturers are Continue reading...

Global climate change is one of the greatest economic and environmental threats of the planet. It is central to the future of the world’s coasts since the rising sea level caused by global warming amplifies coastal erosion, the melting of ice caps and glaciers and the destruction of ecosystems. The phenomenon of global changes in the climate relate to the increase in the levels of carbon dioxide and other greenhouse gases in the atmosphere. Human activities produce eight billion tons of carbon dioxide every year. Since the potential risks of climate change are serious and the fossil fuels Continue reading...

Biology

Abstract 3
Background 4
1.1 Methods 4
1.2 Evidence 4
1.3 Causes 6
2. Anthropogenic Activity and the Greenhouse Effect 6
2.1 Factors Accelerating Global Warming 7
2.2 Factors Slowing Global Warming 7
3. Possible Scenarios of Global Climate Change 7
4. Effects of Global Warming 8
4.1 Solutions 9
5. Arguments 10
5.1 Arguments against anthropogenic climate change 10
5.2 Arguments for anthropogenic climate change 11
Conclusion 12

References 13

Abstract
Global warming – or climate change as it is now more commonly referred to – has emerged as a hot topic issue in the past thirty years. Old hypotheses are constantly Continue reading...

Thermodynamics is the study of energy, energy transformations, and relationships among heat, work, and energy (Farabee, 2001). There are four laws of thermodynamics: Zeroth Law, First Law, Second Law, and Third Law. These laws govern even our simplest daily activities.
According to the Glenn Research Center (2014), The Zeroth Law deals with temperature. It states that if object A is in thermal equilibrium with object B and if object B is in thermal equilibrium with object C, then object A and object C are also in thermal equilibrium, as illustrated by the transitive property in mathematics. The First Law Continue reading...

Introduction

Considered the second largest gas giant, Saturn has strong winds that are much stronger than the winds here on Earth. Moreover, once every thirty Earth years, a strong storm churns in the planet’s atmosphere so great that it creates a bright spot visible to weaker telescopes. In addition, this storm is so massive that its diameter can be larger than Earth’s while leaving a trail of weaker storms that encircles the entire planet. This phenomenon which occurs every one Saturnian year is collectively known as the Great White Spots of Saturn. In this light, this paper aims Continue reading...

Environmental Law

Introduction
Deforestation is a revolution of forestland in a range of land uses. The approximate figures for deforestation revealed that there had been substantial worldwide deforestation that occurred in the years 1990-2010. According to National Geographic website, deforestation refers to the clearing of the forests on a substantial scale that may result in the destruction of the quality of the land area in a territory. The forests encompass at least thirty (30) percent of the land area across of the globe. Studies had shown that the size of Panama is being dissipated each year. Thus, it is forecasted that Continue reading...

Which processor is better: The one from AMD or the one from Intel? These questions are constantly becoming the subject of heated debate on the Internet. The owners of the processors of different brands are fiercely arguing with each other, in fact, in most cases dealt only with their "favorites." Accordingly, in the course of this topic, it is almost impossible to establish the truth.
Processor industry is not less dynamic than other areas of information technology. Constant improvements and the recent release of new micro-architecture if not done at the beginning of 2015 the revolutionary breakthroughs, at least Continue reading...

Introduction

With the current challenges regarding the depletion of traditional fuel sources, several developments and discoveries in the energy industry have been done in order to look for possible sources that could sustain the needs of mankind. In the past years, people have been dependent in the existence of fossil fuels that is the major source of energy needed for industrial and residential areas as well as transportation services (Blashfield, 2014). Lerner et al. (2012) reported that these fossil fuels cover 85 percent of the overall energy consumption. However, fossil fuels are non-renewable sources of energy, thus the depletion continues Continue reading...

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The energy which is liberated from the atoms of the certain type of elements in the process of fission is called nuclear energy. This energy is produced as heat energy during the process. The particles of the atoms split up, and this splitting up become the reason for the energy liberation. This process is a chain reaction in which the initial splitting up of atoms requires heat energy. Later, the heat energy formed during the reaction causes other atomic particles to undergo fission processes (Hollenbach & Herndon, 2001, Continue reading...