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The different types of Steam Generators

There is a steam generator to suit basically every need on the market today. In this article, we will seek to highlight some of the different types of boilers available on the market and the distinctions between them. Six of these boilers will be discussed below.

The first type of boiler we will look at is the fire tube boiler. This is one of the first types of boiler systems. They were characterized by the use of a firebox for fuel. Initially they burned wood for fuel but would later turn to the use of coal. This kind of boiler was first used by the engines found in boats and railroad trains.

The advent of the water tube boiler was due largely to the desire to achieve steam being generated at higher pressures than was done before. This innovation resulted in less heat being needed to generate power to spin a turbine or push a piston since the higher pressure generated significantly greater force.

The combustion heat generator utilizes a heat exchange system similar that of the tube boilers. The combustion heat generators however are capable of producing greater levels of pressure to be used as power. Under these highly pressurized conditions the temperature of the steam produced can reach up to five hundred degrees Celsius.  You can usually find this type of generator in electrical power plants.

The heat recovery generator is a device that captures highly pressurized hot gas steam and uses it after it has been run through a series of heat exchanges, to operate machines that require lower power. The steam recovered can also be used to provide heat for industrial buildings and homes.

Another type of boiler system is the nuclear steam generator. There are actually two kinds of nuclear steam generators. One is the Boiling Water Reactor, the other is the Pressurized Water Reactor. With the boiling water reactor, cooled water is transformed to steam within the nuclear reactor then transported to the turbine, which is located outside of the containment area. In the pressurized water reactor on the other hand, cooled water is pressurized inside the reactor without boiling taking place. It then goes to the turbine and undergoes a cooling process before it is re-circulated.

Finally, there is the solar power generator which represents the cleanest source of steam powered energy from boiling water. The water is transported through tubes located inside a solar panel. Electricity is then created when the sun heats the water and it is run through a steam turbine.

6 Things You Didn’t Know About Beauty Schools

We have all seen countless TV dramas, sit-coms, or feature films about law students or med students and their shenanigans but we don’t always hear about what goes on at beauty schools.  Here are six things that you did not know happen at beauty colleges.

1. The students are actually friends with one another. Students are graded against his or her own product, instead of each other (as in law school or med school, where only a pre-ordained number of students can receive an “A”, no matter how good their exams or papers are). Since the competitive environment is kept at healthy levels, students compete only against his or her potential. This helps foster unity and camaraderie around campus.

2. Beauty schools not only count some of the most artistic people you will ever meet in their number, but also some of the most intuitive and smartest. There is an old adage about beauticians being underpaid psychologists, and this is even true at the school level.

3. Tuition is quite affordable, especially compared with traditional professional schools. Ask for a tuition breakdown pamphlet from your local beauty college. Denizens of beauty school know they’ll be learning useful skills and a trade without sinking their entire lives into a quagmire of debt.

4. Beauty school students like to have fun, but they work hard also. Balance is important to any student, and this is a commonplace attribute at many beauty schools. This positive atmosphere is conducive for easy learning.

5. Coffee seems to be particularly good in the student lounges at beauty schools. There is really no logical reason for this, but you can always get a good cup of eye-opening joe when you need it.

6. Beauty schools are often hidden in regular commercial districts. One may be in your ‘backyard’ and you may not even know it; check your favorite directory to find which beauty colleges are stationed near you.

How Cosmetology Students Can Fight Stress

Students of beauty college are under an intense amount of stress. However, many  students do not have the money for many highly-effective stress-relieving techniques.

Follow these tips to fight the particular stressors of cosmetology school without spending a lot of money.

  • Make yourself a cup of hot tea. Tea is high in anti-oxidants and can promote clarity of thought. Stay away from high-caffeine teas, and instead select a white tea, rooibos, herbal tea or decaf green tea. The warm liquid may be just what you needed to make it through your afternoon classes without crashing (as can happen with sugar or caffeine consumption).
  • Attend a cheap yoga class at the local community center to relive muscle tension from standing all day. If you do not have the funds or time for this reduced-priced sessions, rent a yoga or meditation DVD from your local library.
  • Drink plenty of water. This will keep your system flushed out and will help fight stress-related breakouts. Particularly important for those in beauty college who need fresh faces.
  • Most students will spend all day working with your hands. Rejuvenate your hands by soaking in a warm water bath for 15 minutes.
  • Take a cat nap during that otherwise ‘useless’ gap in-between your classes or appointments. No need to even leave campus –  just put your head down in the library or student lounge. Being under-rested can help stress levels soar. You will do your best artistry when you have had enough sleep. Exhaustion wreaks havoc on our creative output.
  • Eat healthily. Being stressed and tired makes us want to reach for high fat, simple-carbohydrate meals laden with salt and calories. Select bright, crisp salads and comforting, hearty soups instead. Oatmeal is a great way to start the day and is similarly comforting. Try oven-baked kale chips for a crunchy snack. However, do not entirely eschew your need for chocolate. A little nibble on the sweet stuff can go a long way to fighting frayed nerves when your boards are approaching.
  • Religiously take your multi-vitamin. Proper nutrition will help aid you in sickness prevention, while helping you feel your best. This will also keep your hair looking great; a particular necessity to those in the hairdressing concentration or those sitting as models for hairdressing courses.
  • Make the most of being surrounded by other students of beauty college — ask a student in the massage concentration to practice his or her knowledge on your muscles.You can owe him or her a manicure.
  • Do not forget to have a little fun! Unwind at night with your favorite sit-com, magazine, or novel.

Follow these tips and find out what works for you. Everyone likes a cosmetologist that can manage his or her stress!

Misunderstood Vegetables (Alas)

Consider the brussel sprout. Other than the obligatory Thanksgiving side dish, it has a somewhat ignoble place at most people’s tables. It is too cabbagey, too puny, too odd. It is slow to prepare and not much beloved. Yet a brussel sprout has a strong flavor that can support full-bodied ingredients in its mix. It is versatile and delicious!

brussel snow!
Creative Commons License photo credit: Pain Chaud
Sauté brussel sprouts in garlic and oil, add a splash of red wine and some button mushrooms. Or, flash fry in olive oil for 2 minutes, then braise brussel sprouts in chicken broth with fresh rosemary and thyme. Serve with a sprinkling of fresh-grated Parmesan cheese.

Prepare brussel sprouts by washing and cutting off the ends. Big sprouts (more than an inch around) should be cut in half top-to-bottom so they absorb the flavor of the other ingredients.

What about kale? Kale is a dark green leafy vegetable that can be bitter, and so it is often ignored except, again, at Thanksgiving, when it’s added to stuffing. Drizzle well-chopped kale in olive oil, salt, and broil for 10 minutes to make delicious kale chips! Or, sauté kale in ginger oil and serve with roasted russet potatoes. In either case, remove the thickest bits of stem from the leaves and tear up or chop the leaves before cooking.

Morgwyn and Eric get the kale salad going
Creative Commons License photo credit: chilebeans

Roast a handful of pine nuts (pignolas) for a very short time—just until they begin to brown. Braise your kale in vegetable broth with minced garlic for ten minutes, toss with the pine nuts, and serve. Bon appetite!

Pancetta is an excellent companion to any strongly-flavored or bitter vegetable, and can be added to any of the above recipes (except the chips). It brings a savory sweetness to many dishes. Most stores only sell the ultra-thin slices of pancetta, but if you can get a butcher to slice it thicker for you, you absolutely won’t regret it.