Working Multi-Stage Centrifugal Steam Turbine Model, Alloy External Combustion Engine Demonstration Model for Educational Science Teaching Display

Multi-Stage Centrifugal Steam Engine Model, External Combustion Engine Demonstration Model, Alloy Mechanical Power Device Educational Display

Features:

.Multi-Stage Centrifugal Engine Demonstration: This model clearly displays the core structure of a multi-stage centrifugal steam engine. With an external air source, it visually demonstrates how steam or gas drives each impeller stage, making the working principles of external combustion engines and rotary power systems easier to understand.
.Designed for Mechanical and Thermal Education: Created for mechanical engineering, thermal engineering, and science demonstrations, this compact model works well in classrooms, laboratories, and technical displays. It turns abstract thermodynamic concepts into a visible and engaging learning experience.
.Precision All-Metal Construction: Made from high-strength alloy with precision CNC machining, the engine model features detailed joints, screws, and tightly fitted components. The industrial-style finish highlights the appearance of real machinery and showcases fine craftsmanship.
.Advanced Multi-Impeller Energy Capture Design: The engine includes one main power impeller, three secondary impellers, and three stationary impellers. The main impeller captures approximately 60% of the steam energy, while the remaining stages collect the remaining 40%, helping reduce turbulence and improve energy transfer efficiency.
.Low-Pressure Startup with Quiet Operation: After extensive testing, the centrifugal impeller design proved highly effective at capturing low-pressure steam from small boilers. The engine starts at lower air pressure, runs at high RPM with less noise, and supports extended operation with stable performance
New Engine Description:
.After extensive testing, it was found that centrifugal impellers provide the best energy capture from the low-pressure steam generated by model-scale boilers while producing minimal turbulence. This differs from the curved impellers used in large steam engines.

.This engine includes 1 main power impeller, 3 secondary impellers, and 3 stationary impellers. The main impeller captures approximately 60% of the steam energy, while the 3 secondary impellers and the stationary impellers capture the remaining 40%. The stationary impellers help reorganize dispersed steam flow and redirect it toward the next centrifugal stage.

.This is the steam engine developed by our team with thermal efficiency closest to that of a piston steam engine, reaching approximately 35% of piston steam engine efficiency. Since the engine is not a forced-work structure, it offers several advantages:
.Low startup pressure
.High RPM
.Low noise
.Long continuous operation

Specifications:

.Material: Alloy
.Packaging: Box
.Product Weight: 1700g
.Package Weight: 1500g
.Product Dimensions: 21 x 8 x 10cm
.Package Dimensions: 35 x 19 x 23cm
.Age: 16+

Front Stage Impeller:
.Air Inlet Diameter: 7mm
.Vane Quantity: 8 Vanes
.Vane Guide Curve: R31 (Clockwise)
.Impeller Diameter: 40mm

Rear 3 Impellers:
.Air Inlet Diameter: 7mm
.Vane Quantity: 6 Vanes
.Vane Guide Curve: R18 (Clockwise)
.Impeller Diameter: 27mm