By John Oldale

From Afghanistan to Zimbabwe: every little thing you by no means knew you by no means knew approximately each kingdom on Earth.A scientist through education and an explorer via ardour, Dr. John Oldale has logged part 1000000 miles traveling greater than 90 international locations. Now, he celebrates our strange global in a cornucopia of attention-grabbing evidence introduced vividly to existence in the course of the unforeseen tales at the back of them. relating background, shuttle, politics, average background and extra, he paints a special portrait of every nation from the mightiest to the main miniscule. You won't locate the next on your common trip guide:[b]

• Why is kissing on trains banned in France?
• In what nation are litigants anticipated to give their case at court docket within the type of a poem?
• Which battle did girls win in 1929 simply by sitting down?
• If Panama hats aren’t from Panama, the place are they from?
• Who devour clean camel dung as a remedy for dysentery (and why does it work)?
• Why have been US disk jockeys as soon as advised they can play birthday requests on any day other than the single requested?
• Which sleek dictator banned outdated age, libraries and gold tooth, and was once later changed by means of his dentist?
•  And 2,000 extra humorous, trivial, poignant, and telling proof

  A needs to for energetic and armchair globe-trotters alike, A international of Curiosities will engross a person who's in any respect involved in the area past their door. discover and luxuriate in.

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5 bar BMEP, the fuel conversion efficiency improves by up to 30 % thanks to the coupled effect of variable compression ratio and Atkinson. 5 bar BMEP the coupled effect of variable compression ratio and Atkinson almost double the fuel conversion efficiency. At 1 bar BMEP, the fuel conversion efficiency improvements reduce but are still around 30–50 % better. 5bar bmep ATK 2000 3000 4000 Engine Speed [rpm] 5000 12 11 10 1000 2000 3000 4000 5000 Engine Speed [rpm] Fig. 4 Brake thermal engine efficiency with fixed compression ratio, variable compression ratio (maximum efficiency limited by knock) and variable compression ratio and Atkinson effect for operation at various BMEP differences).

Leone TG, Pozar M (2001) Fuel economy benefit of cylinder deactivation—sensitivity to vehicle application and operating constraints. SAE paper 2001-01-3591 6. Fiorenza R et al (2003) VVT+Port deactivation application on a small displacement SI 4 cylinder 16 V engine: an effective way to reduce vehicle fuel consumption’’. SAE paper 2003-01-0020 7. 7L HEMIÒ engine multi-displacement cylinder deactivation system. SAE paper 2004-01-2106 A Novel Mechanism for Piston Deactivation 17 8. Bemman Y-J et al (2005) Passive exhaust system with cylinder deactivation.

Simulations performed for V8 4 litres turbo charged Diesel engine show deactivation of half cylinders may improve the fuel economy of operating points typical of driving cycles of more than 20 %. If the benefits in terms of performance appear to be clear, the major area of concerns of the mechanism are costs, complexity, reliability, effectiveness steady state and transient, packaging. It is obvious that the mechanism is more complex than the conventional piston– conrod–crank arrangement, however all of the connections are pin jointed and are easily pressure lubricated.

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