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Posts Tagged ‘Heat’

Steam Heat

Be the first to comment - What do you think?  Posted by - April 4, 2013 at 3:44 am

Categories: Vintage Steam Locomotives   Tags: ,

Heat defense help please :( !?

Hey. I straighten my hair almost everyday with Conair Steam. I recently started using Lee Stafford Poker Straight Flat Iron Protection Shine Mist (http://www.leestafford.com/uk/products/product.php?pi=15) before straightening my hair. But I’m not sure if it really protects my hair from the heat. Should I use more products ? My hair is VERY dry and damaged. And my straightener is giving me a LOT of split ends. 🙁
My friend told me Tresseme Heat defense is really good.
Also, is it better to use serum for heat defense or spray? My hairdresser says serum is better as it spreads evenly.

Thanks a lot. 🙂

3 comments - What do you think?  Posted by - March 19, 2011 at 10:50 pm

Categories: UK Steam   Tags: , , ,

Is it feasible to use solar energy to heat up water to power a steam engine, then to produce electricity?

What are the problems that will be encountered.

2 comments - What do you think?  Posted by - February 5, 2011 at 9:35 pm

Categories: Vintage Steam Engines   Tags: , , , , , , , , ,

What is Combined Heat and Power (cogeneration)

Cogeneration or Combined Heat and Power (CHP) Technology converts gas into both electricity and heat in a single process at the point of use.

How Does Cogeneration Work

Cogeneration uses a single process to generate both electricity and usable heat or cooling. The propositions of heat and power needed (Heat: Power) vary from site to site, so the type of plant must be selected carefully and an appropriate operating regime must be established to match demands as closely as possible.

Cogeneration System consists of four elements

A primary mover (engine)
An electricity generator
A heat recovery system
A control system

Suitability of Cogeneration

Cogeneration has long history of use in many industries. In recent years the greater availability and wider choice of suitable technology has meant that cogeneration has become an attractive and practical proposition for wide range of industries. These include the process industries, commercial and public sector buildings and district heating schemes, all of which have considerable heat demand. We also lists renewable fuels that can enhance the value of cogeneration, although fossil fuels, particularly natural gas and more widely used

Pharmaceuticals
Paper and board manufacture
Brewing, distilling & malting
Ceramics
Brick
Cement
Food Processing
Textile Processing
Minerals Processing
Oil Refineries
Iron and Steel
Motor Industry
Horticulture and glasshouses
Timber Processing

Buildings

District Heating
Hotels
Hospitals
Leisure Centers
Airport
Prisons
Supermarkets
Office Buildings
Individual Houses

Renewable Energy

Sewage treatment works
Poultry and other farm sites
Short rotation coppice woodland
Energy cops
Agro-wastes
Energy From Waste

Gasified Municipal Solid Waste
Municipal Incinerators
Landfill sites
Hospital waste incinerators

Future of Cogeneration

Cogeneration is well proven-technology, recognized world wide as a cleaner alternative to traditional centralized generation. Its long-term future in the global energy markets is secured by its ability to provide operational financial and environmental benefits from a single unit of fuel.

Benefits of Cogeneration

Operational Advantages:

Base load electricity supply
Security of supply
Legislative compliance of EBPD
Increased diversity on heating and hot water
Steam raising capabilities
Trigeneration, using absorption mechanical chillers for cooling

Environmental Advantages

Improved fuel efficiency
Reduced CO2 emissions
No Transmission Losses
Reduction of energy consumed
Lower SOx emissions with the use of natural gas a fuel

Operational Advantages

Base Load electricity supply
Security of supply
Legislative compliance of EBPD
Increased diversity on heating and hot water
Steam raising capabilities
Trigenration, using absorption/mechanical chillers for cooling
When to consider Cogeneration Technology

Designing a new building
Installing new boiler plant
Existing site re-development
Continuity of power
Increasing energy efficiency
Improving Financial Performance
Positive environment impact
Supporting the Company’s Green Image

Cogeneration Solutions and Technology Providers

There are various companies in the UK and Europe providing Cogeneration solutions and technologies. Below we have listed a few leading Cogeneration, Renewable Energy and Energy Management services provider

1. Ener.G Group

2. Save Energy Online.com

3. Cogen Partner

Most of these companies provide wide range of cogeneration solutions both in terms of the technology and procurement options available.

Cogeneration Technologies

Cogeneration Systems are available from 33W to 100MG typical applications run on natural gas, however system can also be fuelled by propane, biogas or diesel.

A typical cogeneration system consists of an engine, steam turbine, or combustion turbine that drives an electrical generator. A waste heat exchanger recovers waste heat from the engine and/or exhaust gas to produce hot water or steam. Cogeneration produces a given amount of electric power and process heat with 10% to 30% less fuel than it takes to produce the electricity and process heat separately.

There are two main types of cogeneration techniques: “Topping Cycle” plants, and “Bottoming Cycle” plants.

A topping cycle plant generates electricity or mechanical power first. There are four types of topping cycle cogeneration systems.

1. The first type burns fuel in a gas turbine or diesel engine to produce electrical or mechanical power.

2. The second type of system burns fuel (any type) to produce high-pressure steam that then passes through a steam turbine to produce power.

3. A third type burns a fuel such as natural gas, diesel, wood, gasified coal, or landfill gas.

4. The fourth type is a gas-turbine topping system. A natural gas turbine drives a generator.

Bottoming cycle plants are much less common than topping cycle plants. These plants exist in heavy industries such as glass or metals manufacturing where very high temperature furnaces are used.

Submitted by Q-Online – Internet Marketing Consultancy

Be the first to comment - What do you think?  Posted by - August 24, 2010 at 10:40 pm

Categories: UK Steam   Tags: , , ,

Pritchard Power Systems S5000 Steam Engine – Combined Heat and Power from Renewable Fuels


The Pritchard Power Systems S5000 is a small scale, multi-utility, enterprise energy system, capable of delivering mechanical power and electricity, hot water, space heating and if required, steam, all from the lowest grade fuels. The S5000 is designed to produce around 5kWp of electricity, and is shown in a test run. For more information visit www.pritchardpower.com.au.

13 comments - What do you think?  Posted by - May 24, 2010 at 10:47 pm

Categories: Vintage Steam Engines   Tags: , , , , , , , , , ,

HELP! in home radiator heat issues?

I moved into an apartment that had older radiators ( I think they are steam radiators) I’m not exactly sure how to use.. I turn on the heat and none of them heat up! Am I supposed to adjust the knobs or settings first? Or bleed the system? If so any ideas or tips to help know what the hell I’m doing would be great!

This is the type of heater….

http://www.cast-iron-radiators-restoration.co.uk/photos/thumbnails/radiators.jpg

3 comments - What do you think?  Posted by - April 23, 2010 at 10:53 pm

Categories: UK Steam   Tags: , , , ,

What is the maximum possible efficiency of a steam engine taking in heat at 100° C and dumping it at room …?

What is the maximum possible efficiency of a steam engine taking in heat at 100° C and dumping it at room temperature of approximately 20° C?

1 comment - What do you think?  Posted by - March 21, 2010 at 10:48 pm

Categories: Vintage Steam Engines   Tags: , , , , , , , , ,

Car Giants Seek to Increase Engine Power From Waste Heat

One might think that the steam engine is an outdated technology that had its heyday centuries ago, but in fact steam is once again a hot topic with vehicle manufacturers. Indeed, the next generation of hybrid cars and trucks may incorporate some form of steam power. Honda, for example, has just released details of a new prototype hybrid car that recharges its battery using a steam engine that exploits waste heat from the exhaust pipe.

Typical cars only convert about a quarter of the energy produced during combustion into work, with the rest being lost as heat. Honda has managed to increase this efficiency by 4% to nearly 29% by using some of this lost heat to generate electricity.

Honda’s heat-recovery system is based on the Rankine cycle, which is also used in most steam-driven power plants. First, heat from the car’s catalytic converter is used to boil water. The high-temperature steam (400-500 °C) produced then turns an electric generator, before a condenser finally cools the steam back into water.

According to Honda, under normal driving conditions, the steam system recovered three times as much electric power as the hybrid’s regenerative braking system. Unfortunately, however, the 4% improvement in overall vehicle efficiency that resulted is not high enough to warrant commercialization, Honda claims.

Honda is not the only manufacturer interested in incorporating waste heat recovery into vehicle design. BMW, for example, is working on a steam-based unit that generates additional mechanical power, rather than electricity. In lab tests, their so-called ‘turbo-steamer’ reduced fuel consumption by as much as 15%.

It may be some time, however, before waste heat recovery reaches the mass market, because typical car drivers would probably not make a big enough saving on fuel to justify the extra several thousand dollars that these systems would presumably add to the price of a vehicle.

But the situation is different for long-haul truckers, who often spend over $100,000 per year on fuel. Indeed, several diesel-engine manufacturers are testing ways of recycling lost heat, with interest being driven by fuel prices and emissions reduction.

The engine maker Cummins Inc is also working on a Rankine-cycle system that uses a low-boiling point organic fluid, which they say performs better than other thermodynamic models, such as the Stirling cycle or the gas turbine.

The Rankine cycle can convert up to 20% of the wasted heat into useful energy, but dealing with the 80% that is not used poses a big challenge. Cummins Inc. plans to have a full working prototype by mid-2009, and hope to make the system available to customers by 2013.

Be the first to comment - What do you think?  Posted by - February 8, 2010 at 12:31 am

Categories: Vintage Steam Engines   Tags: , , , , , , ,