<![CDATA[Scipedia: Collection of closed chapters of books in transport research]]>
/sj/transport-closed-books
2021
/public/Cesaro_et_al_2021aMon, 08 Feb 2021 12:13:24 +0100
/public/Cesaro_et_al_2021a
<![CDATA[Techno-Economic Aspects of Production, Storage and Distribution of?Ammonia]]>The cost of green ammonia is determined primarily by its production cost, but it is also influenced by the cost of distribution and storage. Production costs are a function of plant location, size, and whether the plant is islanded or semi-islanded, that is whether the power source is variable renewable energy (VRE) or grid electricity. Capital costs for a green ammonia plant consist of equipment for the production of hydrogen (electrolyzer) and nitrogen (air separation), ammonia synthesis (Haber–Bosch, compressors and separators) and storage. Operating costs are mainly due to power consumption. The electrolyzer dominates both capital and operating costs in the manufacture of green ammonia. Ammonia is stored in either pressurized or refrigerated vessels with the latter preferred for large scale storage. Distribution of ammonia may involve several transport modes depending on the location of the production and consumption sites. Inland transport can involve pipelines, trains, and trucks, and offshore shipping is generally done with medium, large or very large gas carrier vessels with refrigerated tanks. A case study to supply a fleet of 36 ultralarge container vessels (ULCVs) operating between the ports of Shanghai and Rotterdam is used to exemplify the combination of production, storage and transportation costs.]]>Scipedia content
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The airplane was flattening out! There was now at Grant the prospect of a girl, and for days ahead the bachelors had planned about her. She was Landor's ward,—it was news to them that he had a ward, for he was not given to confidences,—and she was going to visit the wife of his captain, Mrs. Campbell. When they asked questions, Landor said she was eighteen years old, and that her name was Cabot, and that as he had not seen her for ten years he did not know whether she were pretty or not. But the vagueness surrounding her was rather attractive than otherwise, on the whole. It was not even known when she would arrive. There was no railroad to[Pg 14] Arizona. From Kansas she would have to travel by ambulance with the troops which were changing station. Cairness said to himself that she was regal, and acknowledged her most formal welcome with an ease he had fancied among the arts he had long since lost. "Where are you from?' "When the boys got back they found them smart Alecks, Bob Walsh and Andy Sweeney, waiting for 'em, and they consoled 'em, saying, That's just the way with that old bull-head. Never'll take no good advice from nobody about running' the company. Thinks he knows it all. You see how he runs the company. He haint got the addresses o' half his men this minnit, and don't know where they are. That's the reason so many o' our letters from home, and the good things they send us, never reach us. He ought to keep a regler directory, same as in the other companies.'" "We would be alone," Cadnan said simply. "No master would feed us. We would die." "Nonsense," said Reuben, resenting her manner. Rose smiled to herself, and when she next had occasion to punish Reuben, invited his drover to a cup of tea. "No—and mark you, nor am I. It 'ud have been worse for me if I'd stayed. I'm miserable in a different way from what I was there—somehow the life's easier. I'm not happy, but I'm jolly. I'm not good, but I'm pleasant-like. It's all a change for the better. See?" "She was my mother!" said the mourner, rising. HoME成人搞逼在线视频
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