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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - June 13, 1973, Lethbridge, Alberta THE LETHBRIDGE HtRAlD 33 Engineers testing reactors SASKATOON (CP) The University of Saskatchewan' division of control engineering is undertaking research aimed at improving the efficiency of nuclear power plants. Atomic Energy of Canada Ltd. at Pinawa, Man., has pro- vided a one-year initial grant of for studies of control systems and heat-exchange characteristics i n built power reactors. Canadian power reactors ara operating at Rolphton, Douglas Point and Pickering in Ontario, at Gentilly In Quebec sad in India and Pakistan. Several more plants, much larger than the existing ones, are being de- signed and are to go into opera- tion within six yean. At present, nuclear power sta- tions are not as efficient as con- ventional fossil-fuelled plants and studies, including the one in Saskatoon, are under way to im- prove the design and overcome tiiis. Like conventional plants, nu- clear power stations use heat to make steam which turns tur- and generators to product electricity. The heat is produced by tha splitting of uranium atoms inside a reactor and is transfered by. pressurized heavy water coolant to a boiler, where it turns ordinary water into steam. The fuel is relatively cheap, since one pound of natural ura- nium produces kilowatt hours of electricity compared with 1.5 kilowatt hours for a pound of coal. However, nuclear power plants now are more costly to build than conventional' stations. MUST VARY OUTPUT Existing nuclear plants pro- duce power at a constant rate. However, as the proportion of electricity from nuclear sources rises, it will be necessary to vary production in accordance with variations in demand. Prof. R. J. Fleming of the uni- versity's department of engi- neering, the project supervisor, will be studying methods of con- trolling the process so that it can respond to three variations. }OOlCO las wonderful MOTS tohelpyou Prof. G. H. Green of tbe de- partment of mechanical engi- neering will be attempting to obtain a better understanding of what on In tbe boiler, when tbe steam is produced, and what happens if the coolant, which transfers the heat from the reactor, is allowed to boil. The objective is to develop bet- ter designs for the boiler and improve efficiency. The Saskatoon researchers will be doing simulation studies end correlating these with ac- tual operating systems. Using the university's hybrid com- puter, they will produce mathe- matical models of a reactor, boiler and turbine and by vary- ing the quantities in the puter will be able to study tbe behavior of nuclear systems under different conditions. These studies win be co-ordi- nated with related work being carried on by tbe Hydro Elec- tric Power Commission of On- tario and Atomic Energy of Canada. USE YOUR justsay "CHARGE IT" USEYOUR justsay "CHARGE IT" 1 Lightweight B.B.O. with 18" Grill! Sturdy, light weight metal makes this one completely port- able. Folds for easy storage. Take It to beach or cottage. 22" high. 3 each Deluxe Smoker Wagon Barbecue Chrome plated grill and spit can barbecue everything a hungry family can eat on a cookout! Extra heavy fire pan with positive action mechanism. Twin side trays glass fronted door. CSA approved motor. each Green Rocket Gas Mower 19" full cut lawn mower pow- ered by dependable 3Vt H.P. Briggs and Stratton gasoline en- gine with recoil start. 7" wheels with hubcaps. T-handle has re- mote throttle control. Woolco Green. 74 .97 each Hibachi Stand Fits all standard Hibachls. Folds for storage. Zinc Chromato for extra protection, EACH Fold and Carry Table Woodgrain fold and carry opens to 5'. Self-locking hinge. Rounded corners. Tubular steel legs. EACH 10.88 19" Red Turbo Mower 314 h.p. Briggs and Stratton engine with vertical pull starter and dial control, loop style handle. Red. EACH 88.97 PATIO TABLES White enamel steel legs with non- mar tips. 19" printed metal fops. "Each I 'WO PICNIC BAG Insulated picnic bag with tipper top, bail handle. Sunflower 1 QQ pattern. Great Values Deluxe Riding Gas Mower Cutting the grass doesn't to be hard work. 24" powered by 5 H.P. Briggs and Stratton engine with recoil start. Fully baffled with 3" height ad- justment. Padded seat. Woolco Red. EACH Golden Jet Lawn Mower Features a h.p. Briggs Stratton engine with vertical pull start and dial control. Full 22" cut and 7 position height EACH ELECTRIC BBQ STARTER Clean, safe, fast charcoal lighter. 110-120 volt with 6' cord. Sturdy wood handle. 4 Each J-JO CHARCOAL LIGHTER FLUID 32 oz. charcoal lighter fuel. Quick starting. Hickory CO scented. Each Open Daily 9 a.m. to 6 p.m. Thursday and Friday 9 a.m. to 9 p.m. We reserve the right to limit quantities. Wagon B.B.Q. with Rectangular Hood For backyard chefs! 3 position plated grill, 23x16" full size fire 'box and chrome plated swing out spit. mjmj Each JLJ.i I Pedestal 'Space-Age1 Barbecue Contemporary B.B.Q. features removable fire pan, hirged lid that doubles windshield. Red finish. QA OO Each Kamando Smoker Bar-B-Que Blue and Orange finish bar-b-ques with an 18" grill. They stand 34" high and are 22" wide, weighing approximately TA OQ M W 140 Ib. each Garden Hose Remanents Vi" diameter hose in assorted lengths 1M Complete with brass fittings. ft. I "f Gas Bar-B-Ques Features adjustable heat control and a wind guard. Blue enamel finish. QQ QjP Instruction booklet included. Each O J b Shrub and Hedge Trimmer Black and Decker. 13" Double edge blade. The easy way to keep QF shaped. Each 16" Shrub and Hedge Trimmer E. 16" double edge blade by Black and Decker. For those extra heavy tin AT trimming jobs Each A Kingsford Briquettes 10 and 20 Ib. bags of hardwood charcoal. 10 Ib. Each .99 20 Ib. Each I .99 3-pc. Barbecue Tool Set Fork, turner and tongs all with walnut finished handles. O OT Each COLLEGE SHOPPING MALL 2025 Mayor Magrath Drive DEPARTMENT STORES A DIVISION OF THE F.W. WOOLWORTH CO. LIMITED! IF YOU TAKE AWAY OUR LOW PRICES YOU'VE GOT A REGULAR DEPARTMENT STORE ;