CUVX Design Report - the AOE home page - Virginia Tech

CUVX Design – VT Team 2 Page 113The 0.9 compensates for possible voltage fluctuations. 24 hour electrical load:KW 24 0.5. KW MFLM KW P KW S 1 . KW P KW S KW 24 = 5.927 . 10 3 kWIncluding design margin: KW 24AVG E24MF. KW 24 KW 24AVG 5187.kWMaximal continuous brake horsepower for propulsion: PSYS TYP = 2P IPRP P BPENGTOT if PSYS TYP 1P BPENGTOT = 3.878. 10 4 kW P IPRP = 2.712. 10 4 kW P IPRP = 3.637. 10 4 hpP BPENGTOT KW MFLM otherwiseModule 6 - Tankage, Required Volume and Area6a. Fuel Tankage Based on [3]. Start with fuel for propulsion systems.Average endurance brake horsepower required (includes 10% margin for fouling and sea state):1.1.SHP eP eBAVGPηeBAVG = 4.345. 10 4 hpCorrection for instrumentation inaccuracy and machinery design changes:f 1 1.04 1.1.1 P BPENGTOTif SHP . e3 2lblblb1.03 1.1.2 P BPENGTOTSFC ePE = 0.347= 1.341if SHP .hp.hr hp.hr kW.hre3 21.02 otherwiseSpecified fuel rate: FR SP f . 1 SFC . ePE gFR SP = 0.357 lbfhp.hrAverage fuel rate allowing for plant deterioration: FR AVG 1.05. FR SPFR AVG = 0.375 lbfhp.hrEBurnable propulsion endurance fuel weight: W . BP P .V eBAVG FR AVGW BP = 1.455. 10 3 ltoneTailpipe allowance: TPA 0.95Required propulsion fuel weight: W FPTPAW BPW FP = 1.532. 10 3 ltonRequired propulsion fuel tank volume (including allowance for expansion and tank internal structure):V FP 1.02. 1.05. δ . F W FPV FP = 1.965. 10 3 m 3lbFuel for generator systems: SFC GE24 SFC ePE SFC GE24 = 0.465kW.hrMargin for instrumentation inaccuracy and machinery design changes: f 1e 1.04Specified fuel rate: FR GSP f . 1e SFC . GE24 gAverage fuel rate, allowing for plant deterioration: FR GAVG 1.05. FR GSPlbfFR GAVG = 0.508kW.hrEBurnable electrical endurance fuel weight: W . Be KW .V 24AVG FR GAVGW e Be = 235.254 ltonRequired electrical fuel weight: W FeTPAW BeW Fe = 247.636 ltonRequired electrical fuel volume: V Fe 1.02. 1.05. δ . F W FeV Fe = 317.679 m 3Total fuel weight and tanks volume: W F41 W FP W Fe W F41 = 1.779. 10 3 ltonV F V FP V Fe V F = 2.283. 10 3 m 36b. Other TanksAircraft fuel:V AF 1.02. 1.05. W . F42 δ AFV AF = 1.884. 10 3 m 3Lubrication oil: W F46 17.6. ltonV LO 1.02. 1.05. W . F46 δ LOV LO = 20.817 m 3Potable water: (Water does not expand). W F52 N . T 0.45. ltonW F52 = 404.1 ltonV W1.02. W . F52 δ WV W = 420.181 m 3Sewage: V SEW N T N . A 2.005. ft 3V SEW = 56.094 m 3Waste oil: V WASTE 0.02. V FV WASTE = 45.656 m 3Clean ballast: V BAL if BAL TYP 1, 0.19.V F , 0.275.V F V BAL = 433.736 m 3Total tankage volume required: V TK V F V AF V LO V W V SEW V WASTE V BAL V TK = 5.143. 10 3 m 36c. Required Area V TK if .5. V ADH > V TK , V ADH , V TK .5.V ADHShip Warfighting Payload Deck AreasDeckhouse payload area (including access): A DPR 1.15. A DPA 1.23. A DPCA DPR = 972.337 m 2Hull payload area (including access): A HPR 1.15. A HPA 1.23. A HPCA HPR = 3.7. 10 3 m 2Hangar Deck AreaA AirParkN . UAV A UAV N . UCAV A UCAV N . HELO A HELO A AirPark = 2.878. 10 3 m 2 DP 8= 1A AirElev2A . . UCAV N . AirElev N HANGDK A AirElev = 1.605. 10 3 m 2 A AirPit 3A . UCAV if DP 81A AirPit = 267.561 m 20m . 2 otherwiseA AirMaint2A . UCAV A AirMaint = 178.374 m 2 A AirLaunch 100. m. B FltReq 3A . UCAV if DP 81A AirLaunch = 2.768. 10 3 m 2 A HIE = 62.58 m 20m . 2 otherwiseA HangarReq A AirPark A AirElev A AirPit A AirMaint A . WeapElev 1.3 A AirLaunch A HIEA HangarReq = 1.003. 10 5 ft 2 A HANGmax = 1.203. 10 4 m 2 V HANG A . HangarReq H HANGDK V HANG = 1.975. 10 6 ft 3Living Deck AreaAssumption is that officers live at deckhouse, and enlisted at hull. At deckhouse:A COXO 225. ft 2 A DO 75. N . O ft 2 A DL A COXO A DO A DL = 487.741 m 2At hull: A HAB 50. ft 2 A HL A . HAB N T N A A DL A HL = 4.102. 10 3 m 2Other Ship areasHull stores: A HS 300. ft 2 0.0158. ft2 . N .lblb T 9. . Tday SA HS = 1.451. 10 3 m 2Ship Maintenance: A DM 0.05. A DPR A DLA DM = 73.004 m 2Bridge and chart room: A DB 16. ft. ( B 18.ft)A DB = 114.907 m 2Ship functions in hull: A HSF 1500. ft 2.CNA HSF = 6.511 . 10 3 m 2