Experimental study of an organic Rankine cycle with R1233zd(E) for waste heat recovery from the coolant of a heavy-duty truck engine
Artikel i vetenskaplig tidskrift, 2021

Waste heat recovery is an effective method for improving engine efficiency. While most research on waste heat recovery from heavy-duty engines focuses on the high-temperature heat sources, this paper investigates the performance of a low-temperature system. The experimental setup features an organic Rankine cycle with R1233zd(E) as the working fluid recovering heat from the coolant of a heavy-duty Diesel engine. Experiments at multiple engine operating points indicated a maximum operating cycle pressure of 8 bar and temperature of 92 °C. Between 0.1 and 0.7 kW net shaft power was achieved with a thermodynamic efficiency between 1.1 and 1.8%, resulting in a maximum expander power of 0.7% relative to the engine power. A simple empirical model based on the experimental results indicated that approximately 0.7% of the engine's energy could be recovered during a driving cycle, rising to 1.3% if a high efficiency pump and expander are used. The main contribution of this paper lies in the presentation of the experimental setup and experimental results specifically dedicated to recovering the heat from the engine coolant, which permits realistic evaluation of the performance.

Internal combustion engine

Long haul truck

R1233zd(E)

Waste heat recovery

Engine coolant

Organic Rankine cycle (ORC)

Heavy-duty Diesel

Vane expander

Experiments

Low-temperature

Författare

Jelmer Johannes Rijpkema

Chalmers, Mekanik och maritima vetenskaper, Förbränning och framdrivningssystem, Förbränningsmotorer och framdrivningssystem

Sven B Andersson

Chalmers, Mekanik och maritima vetenskaper, Förbränning och framdrivningssystem, Förbränningsmotorer och framdrivningssystem

Karin Munch

Chalmers, Mekanik och maritima vetenskaper, Förbränning och framdrivningssystem, Förbränningsmotorer och framdrivningssystem

Energy Conversion and Management

0196-8904 (ISSN)

Vol. 244 114500

Ämneskategorier

Annan maskinteknik

Energiteknik

Marin teknik

Drivkrafter

Hållbar utveckling

Styrkeområden

Energi

DOI

10.1016/j.enconman.2021.114500

Mer information

Senast uppdaterat

2021-08-02