Front Bumper Grille Open -Thermal Requirement

汽车研发类，包含Thermal Req、Styling、Aero、Off Load、Cabin volume、GVW weight等。

E0V Front Bumper Grille Opening

• Thermal Req.
  • VTM(Global Maketing R &D)
    • No warning
    • No power limits
    • No warranty issue
    • No NVH concern
  • Cabin Comfort
    • “L"-Leading performance
      • "Fast"
        • Cooling down
          • 15min Comfort
        • Warm up
      • "Silent"
        • Cooling Fan
          • Air resistance < 280pa
        • Blower
      • "Efficient "
        • COP
          • Optimum status
            • Good Heat Rejection
              • Airflow >4500 m3/h
                • L9 -3500m3/h-CFD ,less airflow ,Bad Heat Rejection
            • less pick up
              • AC Plumbing'
            • Powerful EAC
              • Displacment & Rpm
            • Low air resistance
      • "Stable"
        • Dual AC sytem
        • Dual system + Battery chiller
  • Regulation：Power efficiency
    • 35℃ CLTC -20% Recession
      • 25% Average
    • - 7℃ CLTC -35% Recession
      • 40% -Average
  • Safety concern
    • -No A/C pressure burst
      • A/C pressure <25bar
    • NO damage ，No Coolant leakage
      • Upper Grille & lower Grille
        • Recomended
      • Lower grille only
        • too much opening , Blocked by leaves , sand or rock 。。。
• Styling
  • EV
    • Big Grille
      • Project area >25%
        • Cabin volume + 25%
        • Dual A/C system / Triple system
        • Quick charge 5C/4C
    • W/O Side grille
      • No Generator ,No Turbo ,No Engine
  • REEV
    • Big Grille
      • project area >30%
    • Dual Side grille
      • SLTR
        • Generator ,TOC, WCAC
• Aero
  • AGS
• GVW weight
  • Compare ET
    • +25% 2800kg/3500 kg
  • BM: L9/M9/D9
    • +16% 3000、3500 kg
• Cabin volume
  • Compare ET
    • 25% ET :3.58 m3 ;E0V 4.35 m3
• Marketing
  • E0V: Global Marketing China USA Euro. Mexico,TB KM ,,
  • L9/D9/M9 -China / North America
• Off Load
  • low speed high torque /Maximum Cooling
• BM :Very Bad Performance Zeekr 009 , Denza,D9
• BM : > 90% Competitors open Big grille for REEV Heat Rejection (Engine cooling ,thermal damage Etc)
• E0Y EV ET 25.2 bar/27 bar -Heat pump- 40℃/50℃
• L9/M9/D9 45mins Comfort ,Sweaty Complaint,
• Li L9 ,Aito-M9 , D9 Not Meet Req.
• E0Y REEV ET 350 PA
• Global Marketing
  • Coolingsystem
    • TB/KM
      • 170-200kph, 50℃
    • Mexico
      • 180kph_43℃_ 4% slope
    • Euro.
      • Trailer 2000kg, 90kph
    • China
      • 60kph 9% 38℃ ，110kph 3% 40℃，150kph 40℃
  • Thermal Damage
    • P/N Soaking
    • locking +leaving