Harvesting heat energy from hot/cold water with a pyroelectric generator

2014 ◽  
Vol 2 (30) ◽  
pp. 11940-11947 ◽  
Author(s):  
Qiang Leng ◽  
Lin Chen ◽  
Hengyu Guo ◽  
Jianlin Liu ◽  
Guanlin Liu ◽  
...  
Keyword(s):  
Global Warming ◽  
Cold Water ◽  
Waste Heat ◽  
Green Energy ◽  
Heat Energy ◽  
Energy Crisis ◽  
Energy Sources ◽  
Negative Impacts

Waste heat has been regarded as one of the most important renewable and green energy sources, and its widespread reclamation could help to reduce the negative impacts of global warming and the energy crisis.

scholarly journals The Consequences of Uncertainty: Climate Sensitivity and Economic Sensitivity to the Climate

2018 ◽  
Vol 10 (1) ◽  
pp. 189-205 ◽  
Author(s):  
John Hassler ◽  
Per Krusell ◽  
Conny Olovsson
Keyword(s):  
Climate Change ◽  
Climate Policy ◽  
Climate Sensitivity ◽  
Fossil Fuels ◽  
Carbon Tax ◽  
Green Energy ◽  
Integrated Assessment Model ◽  
Assessment Model ◽  
Energy Sources ◽  
Negative Impacts

We construct an integrated assessment model with multiple energy sources—two fossil fuels and green energy—and use it to evaluate ranges of plausible estimates for the climate sensitivity, as well as for the sensitivity of the economy to climate change. Rather than focusing explicitly on uncertainty, we look at extreme scenarios defined by the upper and lower limits given in available studies in the literature. We compare optimal policy with laissez faire, and we point out the possible policy errors that could arise. By far the largest policy error arises when the climate policy is overly passive; overly zealous climate policy (i.e., a high carbon tax applied when climate change and its negative impacts on the economy are very limited) does not hurt the economy much as there is considerable substitutability between fossil and nonfossil energy sources.

scholarly journals Energy Harvesting Technology by Converting Waste Heat Energy from Automobiles

2021 ◽  
Vol 20 (4) ◽  
pp. 127-132
Author(s):  
Md Abdullah Al Rakib Rakib ◽  
Md. Saniat Rahman Zishan ◽  
Md. Abid Hasan Abid
Keyword(s):  
Energy Harvesting ◽  
Thermoelectric Generator ◽  
Waste Heat ◽  
Electrical Energy ◽  
Heat Energy ◽  
Conversion Process ◽  
Energy Sources

In this project, heat energy is used for generatingelectrical energy by a conversion process. The energy harvestingfrom the heat of motorbike has become a new source of portableenergy for rechargeable gadgets. In contrary, the conventionalnonrenewable energy sources have likewise added to anexpansion in contamination on the planet and a disintegration ofhuman wellbeing. From the electrical energy, the mobile phonewill be charged. A thermoelectric generator has been connectedto the hot portion of the motorbike and while riding the bike, anykind of chargeable device will get charged. The prototype of thisresearch work has effectively harvested electrical energy fromheat using thermoelectric generator and has managed to provideenough power at different speeds of the motorbike.

Preparation of Nano-Composite Ca2−αZnα(OH)4 with High Thermal Storage Capacity and Improved Recovery of Stored Heat Energy

2014 ◽  
Vol 5 (1) ◽  
Author(s):  
M. Zheng ◽  
S.M. Sun ◽  
J. Hu ◽  
Y. Zhao ◽  
L. J. Yu
Keyword(s):  
Room Temperature ◽  
Storage Capacity ◽  
Waste Heat ◽  
Heat Energy ◽  
Industrial Processes ◽  
Energy Sources ◽  
Nano Composite ◽  
Long Term Storage ◽  
Term Storage

AbstractThermal energy storage has very important prospects in many applications related to the use of renewable energies (solar energy, etc.) or other energy sources, such as waste heat from industrial processes. Thermochemical storage is very attractive for long-term storage, since it could be conducted at room temperature without energy losses. In the present paper, a novel nanocomposite material, Ca

Energy Crisis From Household Dryer Machine

2012 ◽  
Author(s):  
Jobaidur R. Khan
Keyword(s):  
United States ◽  
Global Warming ◽  
Energy Expenditure ◽  
Power Production ◽  
Critical Issue ◽  
Energy Crisis ◽  
Negative Impacts

Energy is a very critical issue for United States, especially when it is wasted for very trivial reason but in a very big scale. Household dryer machine is used to dry cloths using valuable energy, which could be performed just by using natural heat from day sunlight. Using of dryer machine contributes to two negative impacts in energy world. Firstly, it consumes fuel from world’s fuel reservoir and secondly, it produces heat and contributes to global warming, which could be used for power production. During this ongoing countrywide energy crisis, now it is the time to audit this energy expenditure to find out how much energy is spent for dryer machine. It is also important to find out how this event contributes to the global warming.

Low Energy Nuclear Reaction (LENR) – Sustainable and Green Energy: A Review

2016 ◽  
Vol 819 ◽  
pp. 507-511
Author(s):  
Md Zishan Akhter ◽  
M. Ashique Hassan
Keyword(s):  
Energy Source ◽  
Nuclear Reaction ◽  
High Energy ◽  
Green Energy ◽  
Heat Energy ◽  
Low Energy ◽  
Energy Sources ◽  
Nuclear Wastes ◽  
Available Energy ◽  
Useful Heat

In this paper a review on recent development in Low Energy Nuclear Reaction (LENR) is presented along with scope and challenges. As the name suggests Low Energy Nuclear Reaction (LENR) is a phenomenon of nuclear reaction occurring in metal hydrides at ambient temperature. The products are generally Helium & significant amount of useful heat energy. During the process Transmutation of metal (host) occurs; occasionally producing some charged particles and neutrons. The LENR are successfully carried out with various elements namely; nickel, gold, palladium, platinum, titanium, certain superconducting ceramics, etc. LENR poses itself as a source of pollution free and inexhaustible energy source. It produces tremendous amount of heat energy during the reaction which surpasses all the available energy sources by a factor of hundredths to millions. Besides this it is also useful in transmutation of nuclear wastes. To initiate LENR there are various views floating around in scientific community. The purpose is to bring together two nuclei at low energy to fuse together as a single nucleus. A large amount of force is required which is generally obtained through plasma arc or accelerated high energy ions. But in case of LENR all the nuclear reaction occur at low energy thus saving excessive amount of energy required for activation. One of the most studied LENR involves palladium. The palladium is used at a loading between 0.9 and 0.94 to produce optimum results. It is a source of Energy which is more eco-friendly and productive than all the available energy sources known to us. Statistically 1% of the total Ni production can power the World that too at one-fourth the cost of burning fossils. Models are being developed with Carbon replacing Ni, thus it will convert carbon to nitrogen. LENR is also being developed for using nuclear wastes as fuel, transmuting them into non-radioactive elements. This will tag LENR as much greener and cleaner source. LENR is being also developed to be used as an alternative and richer energy source to radioactive fuels (like Pu-238), currently being used to power space probes. Thus it helps reduce the generation of hazardous nuclear wastes.

scholarly journals Energy Crisis and Nepal’s Potentiality

1970 ◽  
Vol 2 (1) ◽  
pp. 130-135
Author(s):  
Suraj Upadhaya
Keyword(s):  
Renewable Energy ◽  
Energy Consumption ◽  
Natural Resources ◽  
Key Words ◽  
Alternative Energy ◽  
Energy Crisis ◽  
Energy Sources ◽  
Alternative Energy Sources ◽  
Negative Impacts ◽  
Environmentally Sound

Energy that is not popularly used and is usually environmentally sound like wind, solar, geothermal is simply regarded as renewable energy. The renewable energy made available through established sources and technology is considered as non-conventional one, if otherwise, conventional. Speaking strictly the forms of alternative energy or renewable energy are environmentally favorable and no negative impacts and economically viable. Alternative energy sources are necessary to explored in context to solve the present problem of energy crisis in Nepal. Being rich in natural resources Nepal posses' high potential of development of energy generation station. Key Words: Energy crisis, Hydropower, Alternate energy, Consumption DOI: 10.3126/init.v2i1.2534 The Initiation Vol.2(1) 2008 pp130-135

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